Professional PDF Unlock Tool<\/title>\n <script src=\"https:\/\/cdnjs.cloudflare.com\/ajax\/libs\/pdf-lib\/1.17.1\/pdf-lib.min.js\"><\/script>\n <script src=\"https:\/\/cdnjs.cloudflare.com\/ajax\/libs\/pdf.js\/3.4.120\/pdf.min.js\"><\/script>\n <style>\n \/* CSS RESET & VARIABLES - Namespaced to avoid WordPress collisions *\/\n :root {\n --unlk-bg: #f8fafc;\n --unlk-surface: #ffffff;\n --unlk-surface-glass: rgba(255, 255, 255, 0.75);\n --unlk-border: #e2e8f0;\n --unlk-text-primary: #0f172a;\n --unlk-text-secondary: #475569;\n --unlk-primary: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);\n --unlk-primary-hover: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);\n --unlk-success: #10b981;\n --unlk-success-bg: #ecfdf5;\n --unlk-error: #ef4444;\n --unlk-error-bg: #fef2f2;\n --unlk-accent: #6366f1;\n --unlk-shadow-sm: 0 2px 4px 0 rgba(0, 0, 0, 0.05);\n --unlk-shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -4px rgba(0, 0, 0, 0.05);\n --unlk-shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);\n --unlk-radius: 16px;\n --unlk-radius-sm: 8px;\n --unlk-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);\n }\n\n \/* Scope wrapper wrapper for entire page *\/\n .unlk-app-wrapper {\n box-sizing: border-box;\n font-family: -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Helvetica, Arial, sans-serif;\n background-color: var(--unlk-bg);\n color: var(--unlk-text-primary);\n min-height: 100vh;\n padding: 2rem 1rem;\n display: flex;\n justify-content: center;\n align-items: flex-start;\n }\n\n .unlk-app-wrapper * {\n box-sizing: border-box;\n margin: 0;\n padding: 0;\n }\n\n \/* Container & Layout *\/\n .unlk-container {\n width: 100%;\n max-width: 1000px;\n display: grid;\n grid-template-columns: 1fr;\n gap: 2rem;\n }\n\n @media (min-width: 768px) {\n .unlk-container {\n grid-template-columns: 1.2fr 0.8fr;\n }\n .unlk-header-full {\n grid-column: span 2;\n }\n }\n\n \/* Header Style *\/\n .unlk-header {\n text-align: center;\n margin-bottom: 0.5rem;\n }\n\n .unlk-header h1 {\n font-size: 2.25rem;\n font-weight: 800;\n letter-spacing: -0.025em;\n background: var(--unlk-primary);\n -webkit-background-clip: text;\n -webkit-text-fill-color: transparent;\n margin-bottom: 0.5rem;\n }\n\n .unlk-header p {\n color: var(--unlk-text-secondary);\n font-size: 1rem;\n }\n\n \/* Base Card Styling with Glassmorphism *\/\n .unlk-card {\n background: var(--unlk-surface-glass);\n backdrop-filter: blur(8px);\n -webkit-backdrop-filter: blur(8px);\n border: 1px solid var(--unlk-border);\n border-radius: var(--unlk-radius);\n box-shadow: var(--unlk-shadow-md);\n padding: 2rem;\n transition: var(--unlk-transition);\n position: relative;\n overflow: hidden;\n }\n\n .unlk-card:hover {\n box-shadow: var(--unlk-shadow-lg);\n transform: translateY(-2px);\n }\n\n \/* Dropzone Upload Section *\/\n .unlk-upload-zone {\n border: 2px dashed var(--unlk-border);\n border-radius: var(--unlk-radius);\n padding: 3rem 1.5rem;\n text-align: center;\n cursor: pointer;\n background: var(--unlk-surface);\n transition: var(--unlk-transition);\n position: relative;\n }\n\n .unlk-upload-zone.unlk-dragover {\n border-color: #3b82f6;\n background: rgba(59, 130, 246, 0.04);\n transform: scale(1.01);\n }\n\n .unlk-upload-icon {\n width: 64px;\n height: 64px;\n margin: 0 auto 1.5rem;\n color: #3b82f6;\n transition: var(--unlk-transition);\n }\n\n .unlk-upload-zone:hover .unlk-upload-icon {\n transform: translateY(-5px);\n }\n\n .unlk-upload-zone h3 {\n font-size: 1.25rem;\n font-weight: 700;\n color: var(--unlk-text-primary);\n margin-bottom: 0.5rem;\n }\n\n .unlk-upload-zone p {\n font-size: 0.875rem;\n color: var(--unlk-text-secondary);\n }\n\n .unlk-file-input {\n position: absolute;\n top: 0;\n left: 0;\n width: 100%;\n height: 100%;\n opacity: 0;\n cursor: pointer;\n }\n\n \/* Interactive Dynamic Sections *\/\n .unlk-hidden {\n display: none !important;\n }\n\n \/* File Information Panels *\/\n .unlk-meta-grid {\n display: grid;\n grid-template-columns: repeat(2, 1fr);\n gap: 1rem;\n margin-top: 1.5rem;\n font-size: 0.875rem;\n }\n\n .unlk-meta-item {\n background: var(--unlk-bg);\n border: 1px solid var(--unlk-border);\n padding: 0.75rem 1rem;\n border-radius: var(--unlk-radius-sm);\n }\n\n .unlk-meta-label {\n color: var(--unlk-text-secondary);\n font-size: 0.75rem;\n text-transform: uppercase;\n letter-spacing: 0.05em;\n margin-bottom: 0.25rem;\n font-weight: 600;\n }\n\n .unlk-meta-value {\n font-weight: 700;\n color: var(--unlk-text-primary);\n white-space: nowrap;\n overflow: hidden;\n text-overflow: ellipsis;\n }\n\n \/* Form Control Options *\/\n .unlk-form-group {\n margin-bottom: 1.25rem;\n position: relative;\n }\n\n .unlk-form-group label {\n display: block;\n font-size: 0.875rem;\n font-weight: 700;\n color: var(--unlk-text-secondary);\n margin-bottom: 0.5rem;\n }\n\n .unlk-input-wrapper {\n position: relative;\n display: flex;\n align-items: center;\n }\n\n .unlk-input {\n width: 100%;\n padding: 0.75rem 2.5rem 0.75rem 1rem;\n font-size: 1rem;\n border-radius: var(--unlk-radius-sm);\n border: 1px solid var(--unlk-border);\n outline: none;\n background: var(--unlk-surface);\n color: var(--unlk-text-primary);\n transition: var(--unlk-transition);\n }\n\n .unlk-input:focus {\n border-color: #3b82f6;\n box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);\n }\n\n \/* Password Strength Meter *\/\n .unlk-strength-bar {\n height: 4px;\n background: var(--unlk-border);\n border-radius: 2px;\n margin-top: 0.5rem;\n overflow: hidden;\n display: flex;\n }\n\n .unlk-strength-fill {\n height: 100%;\n width: 0%;\n transition: var(--unlk-transition);\n }\n\n \/* Action Buttons *\/\n .unlk-btn {\n width: 100%;\n padding: 0.875rem 1.5rem;\n font-size: 1rem;\n font-weight: 700;\n border: none;\n border-radius: var(--unlk-radius-sm);\n cursor: pointer;\n display: inline-flex;\n align-items: center;\n justify-content: center;\n gap: 0.5rem;\n transition: var(--unlk-transition);\n color: #ffffff;\n position: relative;\n overflow: hidden;\n }\n\n .unlk-btn-primary {\n background: var(--unlk-primary);\n }\n\n .unlk-btn-primary:hover {\n background: var(--unlk-primary-hover);\n transform: translateY(-1px);\n }\n\n .unlk-btn-secondary {\n background: #f1f5f9;\n color: var(--unlk-text-secondary);\n border: 1px solid var(--unlk-border);\n }\n\n .unlk-btn-secondary:hover {\n background: #e2e8f0;\n color: var(--unlk-text-primary);\n }\n\n \/* Interactive UI Icons \/ View Toggles *\/\n .unlk-icon-btn {\n position: absolute;\n right: 0.75rem;\n background: none;\n border: none;\n color: var(--unlk-text-secondary);\n cursor: pointer;\n display: flex;\n align-items: center;\n justify-content: center;\n padding: 0.25rem;\n border-radius: 4px;\n transition: var(--unlk-transition);\n }\n\n .unlk-icon-btn:hover {\n color: var(--unlk-text-primary);\n background: rgba(0,0,0,0.05);\n }\n\n \/* Status Panels (Success\/Failure\/Errors) *\/\n .unlk-alert {\n display: flex;\n align-items: flex-start;\n gap: 0.75rem;\n padding: 1rem;\n border-radius: var(--unlk-radius-sm);\n margin-bottom: 1.5rem;\n animation: unlkFadeIn 0.3s ease;\n }\n\n .unlk-alert-error {\n background-color: var(--unlk-error-bg);\n border: 1px solid #fee2e2;\n color: var(--unlk-error);\n }\n\n .unlk-alert-success {\n background-color: var(--unlk-success-bg);\n border: 1px solid #d1fae5;\n color: var(--unlk-success);\n }\n\n \/* Preview Area Panel *\/\n .unlk-preview-header {\n display: flex;\n justify-content: space-between;\n align-items: center;\n margin-bottom: 1rem;\n }\n\n .unlk-preview-frame {\n width: 100%;\n height: 350px;\n border: 1px solid var(--unlk-border);\n border-radius: var(--unlk-radius-sm);\n background: #cbd5e1;\n overflow-y: auto;\n display: flex;\n justify-content: center;\n align-items: flex-start;\n padding: 1rem;\n position: relative;\n }\n\n \/* Canvas inside preview *\/\n .unlk-preview-canvas {\n max-width: 100%;\n box-shadow: var(--unlk-shadow-md);\n background: white;\n }\n\n \/* Loader Overlay Component *\/\n .unlk-loader-overlay {\n position: absolute;\n top: 0;\n left: 0;\n width: 100%;\n height: 100%;\n background: rgba(255, 255, 255, 0.9);\n display: flex;\n flex-direction: column;\n align-items: center;\n justify-content: center;\n z-index: 10;\n }\n\n .unlk-spinner {\n width: 40px;\n height: 40px;\n border: 4px solid var(--unlk-border);\n border-top: 4px solid #3b82f6;\n border-radius: 50%;\n animation: unlkSpin 1s linear infinite;\n margin-bottom: 1rem;\n }\n\n \/* Progress track style *\/\n .unlk-progress-bar-container {\n width: 80%;\n height: 6px;\n background: var(--unlk-border);\n border-radius: 3px;\n overflow: hidden;\n margin-top: 0.5rem;\n }\n\n .unlk-progress-bar-fill {\n width: 0%;\n height: 100%;\n background: var(--unlk-accent);\n transition: width 0.2s ease;\n }\n\n \/* Recent Activity Logging styling *\/\n .unlk-recent-list {\n margin-top: 1rem;\n display: flex;\n flex-direction: column;\n gap: 0.75rem;\n }\n\n .unlk-recent-item {\n background: var(--unlk-surface);\n border: 1px solid var(--unlk-border);\n padding: 0.75rem;\n border-radius: var(--unlk-radius-sm);\n display: flex;\n justify-content: space-between;\n align-items: center;\n font-size: 0.8125rem;\n }\n\n .unlk-recent-meta {\n max-width: 70%;\n overflow: hidden;\n }\n\n .unlk-recent-name {\n font-weight: 700;\n color: var(--unlk-text-primary);\n white-space: nowrap;\n overflow: hidden;\n text-overflow: ellipsis;\n display: block;\n }\n\n .unlk-recent-time {\n color: var(--unlk-text-secondary);\n font-size: 0.6875rem;\n }\n\n .unlk-recent-badge {\n background: #ecfdf5;\n color: #10b981;\n padding: 0.25rem 0.5rem;\n border-radius: 4px;\n font-weight: 700;\n }\n\n \/* Keyboard tags *\/\n .unlk-kbd {\n background: #e2e8f0;\n border-radius: 4px;\n padding: 2px 6px;\n font-size: 0.75rem;\n font-family: monospace;\n color: var(--unlk-text-secondary);\n }\n\n \/* Animations declarations *\/\n @keyframes unlkSpin {\n to { transform: rotate(360deg); }\n }\n\n @keyframes unlkFadeIn {\n from { opacity: 0; transform: translateY(5px); }\n to { opacity: 1; transform: translateY(0); }\n }\n\n @keyframes unlkShake {\n 0%, 100% { transform: translateX(0); }\n 25% { transform: translateX(-6px); }\n 75% { transform: translateX(6px); }\n }\n\n .unlk-shake {\n animation: unlkShake 0.2s ease-in-out 2;\n }\n <\/style>\n<\/head>\n<body>\n\n<div class=\"unlk-app-wrapper\">\n <div class=\"unlk-container\">\n \n <header class=\"unlk-header-full unlk-header\">\n <h1>PDF Decryptor & Unlocker<\/h1>\n <p>100% local inside your browser. Your files never leave your device.<\/p>\n <\/header>\n\n <main class=\"unlk-card\">\n \n <div id=\"unlk-loading\" class=\"unlk-loader-overlay unlk-hidden\">\n <div class=\"unlk-spinner\"><\/div>\n <p id=\"unlk-loading-text\" style=\"font-weight: 700; font-size: 0.9375rem;\">Initializing File Processing Engine…<\/p>\n <div class=\"unlk-progress-bar-container\">\n <div id=\"unlk-loading-progress\" class=\"unlk-progress-bar-fill\"><\/div>\n <\/div>\n <\/div>\n\n <div id=\"unlk-dropzone-view\">\n <div class=\"unlk-upload-zone\" id=\"unlk-dropzone\">\n <svg class=\"unlk-upload-icon\" fill=\"none\" stroke=\"currentColor\" viewBox=\"0 0 24 24\">\n <path stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2\" d=\"M7 16a4 4 0 01-.88-7.903A5 5 0 1115.9 6L16 6a5 5 0 011 9.9M15 13l-3-3m0 0l-3 3m3-3v12\" \/>\n <\/svg>\n <h3>Drag & drop your PDF file here<\/h3>\n <p>or click to select file from device storage<\/p>\n <input type=\"file\" id=\"unlk-picker\" class=\"unlk-file-input\" accept=\"application\/pdf\">\n <\/div>\n <\/div>\n\n <div id=\"unlk-alert-container\" class=\"unlk-hidden\">\n <div class=\"unlk-alert unlk-alert-error\" id=\"unlk-alert\">\n <svg style=\"width: 20px; height: 20px; flex-shrink: 0;\" fill=\"none\" stroke=\"currentColor\" viewBox=\"0 0 24 24\">\n <path stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2\" d=\"M12 9v2m0 4h.01m-6.938 4h13.856c1.54 0 2.502-1.667 1.732-3L13.732 4c-.77-1.333-2.694-1.333-3.464 0L3.34 16c-.77 1.333.192 3 1.732 3z\" \/>\n <\/svg>\n <span id=\"unlk-alert-message\">Error message placeholder.<\/span>\n <\/div>\n <\/div>\n\n <div id=\"unlk-file-sandbox\" class=\"unlk-hidden\">\n <div class=\"unlk-meta-grid\">\n <div class=\"unlk-meta-item\">\n <div class=\"unlk-meta-label\">File Name<\/div>\n <div id=\"unlk-meta-name\" class=\"unlk-meta-value\">–<\/div>\n <\/div>\n <div class=\"unlk-meta-item\">\n <div class=\"unlk-meta-label\">File Size<\/div>\n <div id=\"unlk-meta-size\" class=\"unlk-meta-value\">–<\/div>\n <\/div>\n <div class=\"unlk-meta-item\">\n <div class=\"unlk-meta-label\">Pages Count<\/div>\n <div id=\"unlk-meta-pages\" class=\"unlk-meta-value\">–<\/div>\n <\/div>\n <div class=\"unlk-meta-item\">\n <div class=\"unlk-meta-label\">Security Protocol<\/div>\n <div id=\"unlk-meta-security\" class=\"unlk-meta-value\">–<\/div>\n <\/div>\n <\/div>\n\n <hr style=\"border: none; border-top: 1px dashed var(--unlk-border); margin: 1.5rem 0;\">\n\n <div id=\"unlk-password-panel\" class=\"unlk-hidden\">\n <div class=\"unlk-form-group\">\n <label for=\"unlk-pass\">Decryption Security Password<\/label>\n <div class=\"unlk-input-wrapper\">\n <input type=\"password\" id=\"unlk-pass\" class=\"unlk-input\" placeholder=\"Enter owner or user password...\" autocomplete=\"off\">\n <button type=\"button\" class=\"unlk-icon-btn\" id=\"unlk-toggle-view\" title=\"Toggle password view text\" style=\"right: 2.25rem;\">\ud83d\udc41\ufe0f<\/button>\n <button type=\"button\" class=\"unlk-icon-btn\" id=\"unlk-clear-pass\" title=\"Reset Field\" style=\"right: 0.5rem;\">\u2715<\/button>\n <\/div>\n <div class=\"unlk-strength-bar\">\n <div id=\"unlk-strength-fill\" class=\"unlk-strength-fill\"><\/div>\n <\/div>\n <\/div>\n\n <div class=\"unlk-form-group\" style=\"margin-top: 1.5rem;\">\n <button type=\"button\" class=\"unlk-btn unlk-btn-primary\" id=\"unlk-submit-unlock\">\n Unlock PDF\n <\/button>\n <\/div>\n <\/div>\n\n <div id=\"unlk-output-panel\" class=\"unlk-hidden\">\n <div class=\"unlk-form-group\">\n <label for=\"unlk-out-filename\">Custom Export Filename<\/label>\n <input type=\"text\" id=\"unlk-out-filename\" class=\"unlk-input\" placeholder=\"unlocked_document\">\n <\/div>\n\n <div style=\"display: grid; grid-template-columns: 1fr 1fr; gap: 1rem;\">\n <button type=\"button\" class=\"unlk-btn unlk-btn-primary\" id=\"unlk-download-btn\">\n \ud83d\udce5 Download Unlocked PDF\n <\/button>\n <button type=\"button\" class=\"unlk-btn unlk-btn-secondary\" id=\"unlk-print-btn\">\n \ud83d\udda8\ufe0f Print Document\n <\/button>\n <\/div>\n <\/div>\n\n <div style=\"margin-top: 1rem;\">\n <button type=\"button\" class=\"unlk-btn unlk-btn-secondary\" id=\"unlk-reset-btn\" style=\"width: 100%;\">\n Reset Sandbox Tool\n <\/button>\n <\/div>\n <\/div>\n\n <\/main>\n\n <aside style=\"display: flex; flex-direction: column; gap: 1.5rem;\">\n \n <div class=\"unlk-card\" style=\"padding: 1.5rem;\">\n <div class=\"unlk-preview-header\">\n <h4 style=\"font-weight: 700; font-size: 0.9375rem;\">Document Viewport<\/h4>\n <button class=\"unlk-kbd\" id=\"unlk-preview-theme\" title=\"Invert screen canvas styling colors\">Toggle Dark Preview<\/button>\n <\/div>\n <div class=\"unlk-preview-frame\" id=\"unlk-frame\">\n <div id=\"unlk-preview-placeholder\" style=\"text-align: center; color: var(--unlk-text-secondary); font-size: 0.8125rem;\">\n No active file available for viewing. Unlock a file to inspect its pages.\n <\/div>\n <canvas id=\"unlk-preview-canvas\" class=\"unlk-preview-canvas unlk-hidden\"><\/canvas>\n <\/div>\n <\/div>\n\n <div class=\"unlk-card\" style=\"padding: 1.5rem;\">\n <h4 style=\"font-weight: 700; font-size: 0.9375rem; margin-bottom: 0.5rem;\">Recent Conversions<\/h4>\n <div class=\"unlk-recent-list\" id=\"unlk-recent-container\">\n <\/div>\n <\/div>\n\n <div class=\"unlk-card\" style=\"padding: 1.5rem; font-size: 0.8125rem; line-height: 1.5; color: var(--unlk-text-secondary);\">\n <h4 style=\"font-weight: 700; font-size: 0.9375rem; margin-bottom: 0.5rem; color: var(--unlk-text-primary);\">System Guide<\/h4>\n <p style=\"margin-bottom: 0.5rem;\">\u2699\ufe0f <strong>Quick Access Shortcuts:<\/strong><\/p>\n <div style=\"margin-bottom: 0.25rem;\"><span class=\"unlk-kbd\">Ctrl + V<\/span> Paste file source in browser window<\/div>\n <div style=\"margin-bottom: 0.5rem;\"><span class=\"unlk-kbd\">Esc<\/span> Fast clear execution workspace<\/div>\n <p>\ud83d\udd12 <strong>No Crack Guarantee:<\/strong> We do not brute force or bypass permissions. Enter the valid decryption password to strip signature security layers locally.<\/p>\n <\/div>\n\n <\/aside>\n\n <\/div>\n<\/div>\n\n<script>\n(function() {\n 'use strict';\n\n \/\/ Global namespaced local system states\n const unlkState = {\n activeFileRawBytes: null,\n activeFileName: '',\n activeFileSize: 0,\n totalPages: 0,\n isEncrypted: false,\n decryptedFileBytes: null,\n darkPreviewActive: false\n };\n\n \/\/ Node pointer references\n const unlkNodes = {\n appWrapper: document.querySelector('.unlk-app-wrapper'),\n picker: document.getElementById('unlk-picker'),\n dropzone: document.getElementById('unlk-dropzone'),\n dropzoneView: document.getElementById('unlk-dropzone-view'),\n alertContainer: document.getElementById('unlk-alert-container'),\n alertMessage: document.getElementById('unlk-alert-message'),\n fileSandbox: document.getElementById('unlk-file-sandbox'),\n metaName: document.getElementById('unlk-meta-name'),\n metaSize: document.getElementById('unlk-meta-size'),\n metaPages: document.getElementById('unlk-meta-pages'),\n metaSecurity: document.getElementById('unlk-meta-security'),\n passwordPanel: document.getElementById('unlk-password-panel'),\n outputPanel: document.getElementById('unlk-output-panel'),\n passInput: document.getElementById('unlk-pass'),\n toggleView: document.getElementById('unlk-toggle-view'),\n clearPass: document.getElementById('unlk-clear-pass'),\n strengthFill: document.getElementById('unlk-strength-fill'),\n submitUnlock: document.getElementById('unlk-submit-unlock'),\n outFilename: document.getElementById('unlk-out-filename'),\n downloadBtn: document.getElementById('unlk-download-btn'),\n printBtn: document.getElementById('unlk-print-btn'),\n resetBtn: document.getElementById('unlk-reset-btn'),\n loadingOverlay: document.getElementById('unlk-loading'),\n loadingText: document.getElementById('unlk-loading-text'),\n loadingProgress: document.getElementById('unlk-loading-progress'),\n previewCanvas: document.getElementById('unlk-preview-canvas'),\n previewPlaceholder: document.getElementById('unlk-preview-placeholder'),\n previewThemeBtn: document.getElementById('unlk-preview-theme'),\n recentContainer: document.getElementById('unlk-recent-container')\n };\n\n \/\/ Setup pdfjs worker target\n pdfjsLib.GlobalWorkerOptions.workerSrc = 'https:\/\/cdnjs.cloudflare.com\/ajax\/libs\/pdf.js\/3.4.120\/pdf.worker.min.js';\n\n \/\/ Lifecycle boot init system\n function unlkInit() {\n unlkSetupEventListeners();\n unlkLoadHistory();\n }\n\n \/\/ Attach listeners\n function unlkSetupEventListeners() {\n unlkNodes.picker.addEventListener('change', unlkHandlePicker);\n unlkNodes.dropzone.addEventListener('dragover', unlkHandleDragOver);\n unlkNodes.dropzone.addEventListener('dragleave', unlkHandleDragLeave);\n unlkNodes.dropzone.addEventListener('drop', unlkHandleDrop);\n unlkNodes.toggleView.addEventListener('click', unlkTogglePasswordView);\n unlkNodes.clearPass.addEventListener('click', () => { unlkNodes.passInput.value = ''; unlkEvaluateStrength(''); });\n unlkNodes.passInput.addEventListener('input', (e) => unlkEvaluateStrength(e.target.value));\n unlkNodes.submitUnlock.addEventListener('click', unlkAttemptDecryption);\n unlkNodes.downloadBtn.addEventListener('click', unlkTriggerDownload);\n unlkNodes.printBtn.addEventListener('click', unlkTriggerPrint);\n unlkNodes.resetBtn.addEventListener('click', unlkResetWorkspace);\n unlkNodes.previewThemeBtn.addEventListener('click', unlkTogglePreviewTheme);\n\n \/\/ Core dynamic paste bindings\n window.addEventListener('paste', unlkHandlePaste);\n\n \/\/ Core escape triggers\n window.addEventListener('keydown', (e) => {\n if (e.key === 'Escape') unlkResetWorkspace();\n });\n }\n\n \/\/ Drag Drop handlers\n function unlkHandleDragOver(e) {\n e.preventDefault();\n unlkNodes.dropzone.classList.add('unlk-dragover');\n }\n\n function unlkHandleDragLeave() {\n unlkNodes.dropzone.classList.remove('unlk-dragover');\n }\n\n function unlkHandleDrop(e) {\n e.preventDefault();\n unlkNodes.dropzone.classList.remove('unlk-dragover');\n if (e.dataTransfer.files && e.dataTransfer.files[0]) {\n unlkLoadBlob(e.dataTransfer.files[0]);\n }\n }\n\n function unlkHandlePicker(e) {\n if (e.target.files && e.target.files[0]) {\n unlkLoadBlob(e.target.files[0]);\n }\n }\n\n function unlkHandlePaste(e) {\n if (e.clipboardData && e.clipboardData.files.length > 0) {\n const firstFile = e.clipboardData.files[0];\n if (firstFile.type === \"application\/pdf\" || firstFile.name.endsWith('.pdf')) {\n unlkLoadBlob(firstFile);\n }\n }\n }\n\n \/\/ Load selected files into arrayBuffers\n async function unlkLoadBlob(file) {\n if (!file.name.endsWith('.pdf')) {\n unlkShowAlert(\"Selected asset does not appear to be a PDF standard file. Please choose a valid target document.\");\n return;\n }\n\n unlkHideAlert();\n unlkShowLoading(\"Accessing File Structs...\", 20);\n\n unlkState.activeFileName = file.name;\n unlkState.activeFileSize = file.size;\n\n try {\n const buffer = await file.arrayBuffer();\n unlkState.activeFileRawBytes = new Uint8Array(buffer);\n await unlkAnalyzeFile();\n } catch (err) {\n unlkShowAlert(\"System cannot parse the uploaded data stream as a PDF binary. Maybe it is damaged or corrupted.\");\n unlkHideLoading();\n }\n }\n\n \/\/ PDF structural validation\n async function unlkAnalyzeFile() {\n unlkShowLoading(\"Querying encryption tags...\", 60);\n try {\n \/\/ Read with pdf-lib to discover structural permissions parameters\n let pdfDoc;\n let isLocked = false;\n\n try {\n pdfDoc = await PDFLib.PDFDocument.load(unlkState.activeFileRawBytes);\n } catch (err) {\n if (err.message.includes('encrypted') || err.message.includes('password') || err.message.includes('Password')) {\n isLocked = true;\n } else {\n throw err;\n }\n }\n\n unlkState.isEncrypted = isLocked;\n\n \/\/ Basic metrics\n unlkNodes.metaName.innerText = unlkState.activeFileName;\n unlkNodes.metaSize.innerText = (unlkState.activeFileSize \/ (1024 * 1024)).toFixed(2) + ' MB';\n\n if (isLocked) {\n unlkNodes.metaPages.innerText = \"Unknown (Locked)\";\n unlkNodes.metaSecurity.innerText = \"Encrypted (Password Required)\";\n unlkNodes.passwordPanel.classList.remove('unlk-hidden');\n unlkNodes.outputPanel.classList.add('unlk-hidden');\n unlkNodes.passInput.focus();\n } else {\n \/\/ Not locked. We can directly display properties\n unlkState.totalPages = pdfDoc.getPageCount();\n unlkNodes.metaPages.innerText = unlkState.totalPages;\n unlkNodes.metaSecurity.innerText = \"None (Already Decrypted)\";\n \n unlkState.decryptedFileBytes = unlkState.activeFileRawBytes;\n unlkNodes.passwordPanel.classList.add('unlk-hidden');\n unlkNodes.outputPanel.classList.remove('unlk-hidden');\n unlkNodes.outFilename.value = unlkState.activeFileName.replace(\/\\.[^\/.]+$\/, \"\") + \"_unlocked\";\n\n \/\/ Immediately render direct preview page\n await unlkRenderLocalPreview(unlkState.decryptedFileBytes);\n }\n\n unlkNodes.dropzoneView.classList.add('unlk-hidden');\n unlkNodes.fileSandbox.classList.remove('unlk-hidden');\n\n } catch (err) {\n unlkShowAlert(\"Error reading document structure: \" + err.message);\n } finally {\n unlkHideLoading();\n }\n }\n\n \/\/ Decryption attempts logic\n async function unlkAttemptDecryption() {\n unlkHideAlert();\n const pass = unlkNodes.passInput.value;\n if (!pass) {\n unlkShakeCard(unlkNodes.passwordPanel);\n unlkShowAlert(\"Please supply the required security passcode key.\");\n return;\n }\n\n unlkShowLoading(\"Verifying decryption password key...\", 50);\n\n try {\n const decDoc = await PDFLib.PDFDocument.load(unlkState.activeFileRawBytes, {\n password: pass\n });\n\n \/\/ If loading succeeded, the pass is accurate. Save out standard unlocked raw bytes\n unlkState.decryptedFileBytes = await decDoc.save();\n unlkState.totalPages = decDoc.getPageCount();\n\n \/\/ Render stats Update UI\n unlkNodes.metaPages.innerText = unlkState.totalPages;\n unlkNodes.metaSecurity.innerText = \"Unlocked & Decrypted\";\n\n unlkNodes.passwordPanel.classList.add('unlk-hidden');\n unlkNodes.outputPanel.classList.remove('unlk-hidden');\n unlkNodes.outFilename.value = unlkState.activeFileName.replace(\/\\.[^\/.]+$\/, \"\") + \"_unlocked\";\n\n \/\/ Render output preview\n await unlkRenderLocalPreview(unlkState.decryptedFileBytes);\n unlkRecordRecentHistory(unlkState.activeFileName);\n\n } catch (err) {\n unlkShakeCard(unlkNodes.passwordPanel);\n unlkShowAlert(\"Incorrect decryption passcode or corrupt structure parsing key signature.\");\n } finally {\n unlkHideLoading();\n }\n }\n\n \/\/ Local screen viewer canvas renderer\n async function unlkRenderLocalPreview(rawBytes) {\n unlkNodes.previewPlaceholder.classList.add('unlk-hidden');\n unlkNodes.previewCanvas.classList.remove('unlk-hidden');\n\n try {\n const pdfjsDoc = await pdfjsLib.getDocument({ data: rawBytes }).promise;\n const page = await pdfjsDoc.getPage(1);\n \n const viewport = page.getViewport({ scale: 1.0 });\n const context = unlkNodes.previewCanvas.getContext('2d');\n\n \/\/ Set size targets\n unlkNodes.previewCanvas.height = viewport.height;\n unlkNodes.previewCanvas.width = viewport.width;\n\n await page.render({\n canvasContext: context,\n viewport: viewport\n }).promise;\n\n } catch (err) {\n \/\/ Non critical preview fails, we just don't display preview\n unlkNodes.previewPlaceholder.innerText = \"Failed rendering live preview (document decrypted successfully).\";\n unlkNodes.previewPlaceholder.classList.remove('unlk-hidden');\n unlkNodes.previewCanvas.classList.add('unlk-hidden');\n }\n }\n\n \/\/ Toggle Preview Dark Scheme filters\n function unlkTogglePreviewTheme() {\n unlkState.darkPreviewActive = !unlkState.darkPreviewActive;\n if (unlkState.darkPreviewActive) {\n unlkNodes.previewCanvas.style.filter = \"invert(1) hue-rotate(180deg)\";\n } else {\n unlkNodes.previewCanvas.style.filter = \"none\";\n }\n }\n\n \/\/ Export unlocked file targets\n function unlkTriggerDownload() {\n if (!unlkState.decryptedFileBytes) return;\n\n let name = unlkNodes.outFilename.value.trim();\n if (!name) name = \"unlocked_document\";\n if (!name.endsWith('.pdf')) name += \".pdf\";\n\n const blob = new Blob([unlkState.decryptedFileBytes], { type: 'application\/pdf' });\n const url = URL.createObjectURL(blob);\n\n const a = document.createElement('a');\n a.href = url;\n a.download = name;\n document.body.appendChild(a);\n a.click();\n document.body.removeChild(a);\n URL.revokeObjectURL(url);\n }\n\n \/\/ Printing processing frames\n function unlkTriggerPrint() {\n if (!unlkState.decryptedFileBytes) return;\n\n const blob = new Blob([unlkState.decryptedFileBytes], { type: 'application\/pdf' });\n const url = URL.createObjectURL(blob);\n\n const iframe = document.createElement('iframe');\n iframe.style.position = 'fixed';\n iframe.style.right = '0';\n iframe.style.bottom = '0';\n iframe.style.width = '0';\n iframe.style.height = '0';\n iframe.style.border = '0';\n iframe.src = url;\n\n document.body.appendChild(iframe);\n iframe.onload = () => {\n iframe.contentWindow.focus();\n iframe.contentWindow.print();\n setTimeout(() => {\n document.body.removeChild(iframe);\n URL.revokeObjectURL(url);\n }, 1000);\n };\n }\n\n \/\/ UI Feedback Helpers\n function unlkShowAlert(msg) {\n unlkNodes.alertMessage.innerText = msg;\n unlkNodes.alertContainer.classList.remove('unlk-hidden');\n }\n\n function unlkHideAlert() {\n unlkNodes.alertContainer.classList.add('unlk-hidden');\n }\n\n function unlkShowLoading(text, percentage = 0) {\n unlkNodes.loadingText.innerText = text;\n unlkNodes.loadingProgress.style.width = `${percentage}%`;\n unlkNodes.loadingOverlay.classList.remove('unlk-hidden');\n }\n\n function unlkHideLoading() {\n unlkNodes.loadingOverlay.classList.add('unlk-hidden');\n }\n\n function unlkTogglePasswordView() {\n if (unlkNodes.passInput.type === 'password') {\n unlkNodes.passInput.type = 'text';\n unlkNodes.toggleView.innerText = '\ud83d\ude48';\n } else {\n unlkNodes.passInput.type = 'password';\n unlkNodes.toggleView.innerText = '\ud83d\udc41\ufe0f';\n }\n }\n\n function unlkEvaluateStrength(val) {\n let percent = 0;\n let color = '#ef4444';\n\n if (val.length > 0) {\n percent = 20;\n if (val.length > 5) percent = 40;\n if (val.length > 8) percent = 70;\n if (\/[A-Z]\/.test(val) && \/[0-9]\/.test(val) && val.length > 8) percent = 100;\n }\n\n if (percent < 50) {\n color = '#ef4444';\n } else if (percent < 100) {\n color = '#eab308';\n } else {\n color = '#10b981';\n }\n\n unlkNodes.strengthFill.style.width = `${percent}%`;\n unlkNodes.strengthFill.style.backgroundColor = color;\n }\n\n function unlkShakeCard(element) {\n element.classList.add('unlk-shake');\n setTimeout(() => {\n element.classList.remove('unlk-shake');\n }, 400);\n }\n\n \/\/ Reset whole viewport sandbox structure\n function unlkResetWorkspace() {\n unlkState.activeFileRawBytes = null;\n unlkState.activeFileName = '';\n unlkState.activeFileSize = 0;\n unlkState.totalPages = 0;\n unlkState.isEncrypted = false;\n unlkState.decryptedFileBytes = null;\n\n unlkNodes.picker.value = '';\n unlkNodes.passInput.value = '';\n unlkEvaluateStrength('');\n\n unlkNodes.dropzoneView.classList.remove('unlk-hidden');\n unlkNodes.fileSandbox.classList.add('unlk-hidden');\n unlkNodes.alertContainer.classList.add('unlk-hidden');\n\n \/\/ Reset Preview viewports\n unlkNodes.previewPlaceholder.innerText = \"No active file available for viewing. Unlock a file to inspect its pages.\";\n unlkNodes.previewPlaceholder.classList.remove('unlk-hidden');\n unlkNodes.previewCanvas.classList.add('unlk-hidden');\n \n unlkHideLoading();\n }\n\n \/\/ History log handlers (Local Storage)\n function unlkRecordRecentHistory(name) {\n try {\n let logs = [];\n const raw = localStorage.getItem('unlk-activity-logs');\n if (raw) logs = JSON.parse(raw);\n\n logs.unshift({\n id: Date.now(),\n name: name,\n time: new Date().toLocaleTimeString([], { hour: '2-digit', minute: '2-digit' })\n });\n\n if (logs.length > 4) logs.pop();\n\n localStorage.setItem('unlk-activity-logs', JSON.stringify(logs));\n unlkLoadHistory();\n } catch (e) {\n \/\/ Silence LocalStorage issues\n }\n }\n\n function unlkLoadHistory() {\n unlkNodes.recentContainer.innerHTML = '';\n try {\n const raw = localStorage.getItem('unlk-activity-logs');\n const logs = raw ? JSON.parse(raw) : [];\n\n if (logs.length === 0) {\n unlkNodes.recentContainer.innerHTML = `<div style=\"text-align: center; color: var(--unlk-text-secondary); font-size: 0.75rem; padding: 1rem 0;\">No active processing logs found.<\/div>`;\n return;\n }\n\n logs.forEach(log => {\n const item = document.createElement('div');\n item.className = 'unlk-recent-item';\n \n const meta = document.createElement('div');\n meta.className = 'unlk-recent-meta';\n \n const nameSpan = document.createElement('span');\n nameSpan.className = 'unlk-recent-name';\n nameSpan.innerText = log.name;\n \n const timeSpan = document.createElement('span');\n timeSpan.className = 'unlk-recent-time';\n timeSpan.innerText = log.time;\n\n const badge = document.createElement('span');\n badge.className = 'unlk-recent-badge';\n badge.innerText = \"Unlocked\";\n\n meta.appendChild(nameSpan);\n meta.appendChild(timeSpan);\n item.appendChild(meta);\n item.appendChild(badge);\n\n unlkNodes.recentContainer.appendChild(item);\n });\n } catch (e) {\n unlkNodes.recentContainer.innerHTML = `<div style=\"text-align: center; color: var(--unlk-text-secondary); font-size: 0.75rem;\">Error accessing logs.<\/div>`;\n }\n }\n\n \/\/ Run core routines\n unlkInit();\n\n})();\n<\/script>\n\n<\/body>\n<\/html>\n","protected":false},"excerpt":{"rendered":"<p>Professional PDF Unlock Tool PDF Decryptor & Unlocker 100% local inside your browser. Your files never leave your device. Initializing File Processing Engine… Drag & drop your PDF file here or click to select file from device storage Error message placeholder. File Name – File Size – Pages Count – Security Protocol – Decryption Security […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-503","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/freewebtools.co.in\/index.php\/wp-json\/wp\/v2\/pages\/503","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/freewebtools.co.in\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/freewebtools.co.in\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/freewebtools.co.in\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/freewebtools.co.in\/index.php\/wp-json\/wp\/v2\/comments?post=503"}],"version-history":[{"count":1,"href":"https:\/\/freewebtools.co.in\/index.php\/wp-json\/wp\/v2\/pages\/503\/revisions"}],"predecessor-version":[{"id":504,"href":"https:\/\/freewebtools.co.in\/index.php\/wp-json\/wp\/v2\/pages\/503\/revisions\/504"}],"wp:attachment":[{"href":"https:\/\/freewebtools.co.in\/index.php\/wp-json\/wp\/v2\/media?parent=503"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}

{"id":503,"date":"2026-07-16T16:21:49","date_gmt":"2026-07-16T16:21:49","guid":{"rendered":"https:\/\/freewebtools.co.in\/?page_id=503"},"modified":"2026-07-16T16:21:50","modified_gmt":"2026-07-16T16:21:50","slug":"unlock-pdf","status":"publish","type":"page","link":"https:\/\/freewebtools.co.in\/index.php\/unlock-pdf\/","title":{"rendered":"Unlock Pdf"},"content":{"rendered":"\n\n\n\n \n \n Professional PDF Unlock Tool<\/title>\n <script src=\"https:\/\/cdnjs.cloudflare.com\/ajax\/libs\/pdf-lib\/1.17.1\/pdf-lib.min.js\"><\/script>\n <script src=\"https:\/\/cdnjs.cloudflare.com\/ajax\/libs\/pdf.js\/3.4.120\/pdf.min.js\"><\/script>\n <style>\n \/* CSS RESET & VARIABLES - Namespaced to avoid WordPress collisions *\/\n :root {\n --unlk-bg: #f8fafc;\n --unlk-surface: #ffffff;\n --unlk-surface-glass: rgba(255, 255, 255, 0.75);\n --unlk-border: #e2e8f0;\n --unlk-text-primary: #0f172a;\n --unlk-text-secondary: #475569;\n --unlk-primary: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);\n --unlk-primary-hover: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);\n --unlk-success: #10b981;\n --unlk-success-bg: #ecfdf5;\n --unlk-error: #ef4444;\n --unlk-error-bg: #fef2f2;\n --unlk-accent: #6366f1;\n --unlk-shadow-sm: 0 2px 4px 0 rgba(0, 0, 0, 0.05);\n --unlk-shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -4px rgba(0, 0, 0, 0.05);\n --unlk-shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);\n --unlk-radius: 16px;\n --unlk-radius-sm: 8px;\n --unlk-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);\n }\n\n \/* Scope wrapper wrapper for entire page *\/\n .unlk-app-wrapper {\n box-sizing: border-box;\n font-family: -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Helvetica, Arial, sans-serif;\n background-color: var(--unlk-bg);\n color: var(--unlk-text-primary);\n min-height: 100vh;\n padding: 2rem 1rem;\n display: flex;\n justify-content: center;\n align-items: flex-start;\n }\n\n .unlk-app-wrapper * {\n box-sizing: border-box;\n margin: 0;\n padding: 0;\n }\n\n \/* Container & Layout *\/\n .unlk-container {\n width: 100%;\n max-width: 1000px;\n display: grid;\n grid-template-columns: 1fr;\n gap: 2rem;\n }\n\n @media (min-width: 768px) {\n .unlk-container {\n grid-template-columns: 1.2fr 0.8fr;\n }\n .unlk-header-full {\n grid-column: span 2;\n }\n }\n\n \/* Header Style *\/\n .unlk-header {\n text-align: center;\n margin-bottom: 0.5rem;\n }\n\n .unlk-header h1 {\n font-size: 2.25rem;\n font-weight: 800;\n letter-spacing: -0.025em;\n background: var(--unlk-primary);\n -webkit-background-clip: text;\n -webkit-text-fill-color: transparent;\n margin-bottom: 0.5rem;\n }\n\n .unlk-header p {\n color: var(--unlk-text-secondary);\n font-size: 1rem;\n }\n\n \/* Base Card Styling with Glassmorphism *\/\n .unlk-card {\n background: var(--unlk-surface-glass);\n backdrop-filter: blur(8px);\n -webkit-backdrop-filter: blur(8px);\n border: 1px solid var(--unlk-border);\n border-radius: var(--unlk-radius);\n box-shadow: var(--unlk-shadow-md);\n padding: 2rem;\n transition: var(--unlk-transition);\n position: relative;\n overflow: hidden;\n }\n\n .unlk-card:hover {\n box-shadow: var(--unlk-shadow-lg);\n transform: translateY(-2px);\n }\n\n \/* Dropzone Upload Section *\/\n .unlk-upload-zone {\n border: 2px dashed var(--unlk-border);\n border-radius: var(--unlk-radius);\n padding: 3rem 1.5rem;\n text-align: center;\n cursor: pointer;\n background: var(--unlk-surface);\n transition: var(--unlk-transition);\n position: relative;\n }\n\n .unlk-upload-zone.unlk-dragover {\n border-color: #3b82f6;\n background: rgba(59, 130, 246, 0.04);\n transform: scale(1.01);\n }\n\n .unlk-upload-icon {\n width: 64px;\n height: 64px;\n margin: 0 auto 1.5rem;\n color: #3b82f6;\n transition: var(--unlk-transition);\n }\n\n .unlk-upload-zone:hover .unlk-upload-icon {\n transform: translateY(-5px);\n }\n\n .unlk-upload-zone h3 {\n font-size: 1.25rem;\n font-weight: 700;\n color: var(--unlk-text-primary);\n margin-bottom: 0.5rem;\n }\n\n .unlk-upload-zone p {\n font-size: 0.875rem;\n color: var(--unlk-text-secondary);\n }\n\n .unlk-file-input {\n position: absolute;\n top: 0;\n left: 0;\n width: 100%;\n height: 100%;\n opacity: 0;\n cursor: pointer;\n }\n\n \/* Interactive Dynamic Sections *\/\n .unlk-hidden {\n display: none !important;\n }\n\n \/* File Information Panels *\/\n .unlk-meta-grid {\n display: grid;\n grid-template-columns: repeat(2, 1fr);\n gap: 1rem;\n margin-top: 1.5rem;\n font-size: 0.875rem;\n }\n\n .unlk-meta-item {\n background: var(--unlk-bg);\n border: 1px solid var(--unlk-border);\n padding: 0.75rem 1rem;\n border-radius: var(--unlk-radius-sm);\n }\n\n .unlk-meta-label {\n color: var(--unlk-text-secondary);\n font-size: 0.75rem;\n text-transform: uppercase;\n letter-spacing: 0.05em;\n margin-bottom: 0.25rem;\n font-weight: 600;\n }\n\n .unlk-meta-value {\n font-weight: 700;\n color: var(--unlk-text-primary);\n white-space: nowrap;\n overflow: hidden;\n text-overflow: ellipsis;\n }\n\n \/* Form Control Options *\/\n .unlk-form-group {\n margin-bottom: 1.25rem;\n position: relative;\n }\n\n .unlk-form-group label {\n display: block;\n font-size: 0.875rem;\n font-weight: 700;\n color: var(--unlk-text-secondary);\n margin-bottom: 0.5rem;\n }\n\n .unlk-input-wrapper {\n position: relative;\n display: flex;\n align-items: center;\n }\n\n .unlk-input {\n width: 100%;\n padding: 0.75rem 2.5rem 0.75rem 1rem;\n font-size: 1rem;\n border-radius: var(--unlk-radius-sm);\n border: 1px solid var(--unlk-border);\n outline: none;\n background: var(--unlk-surface);\n color: var(--unlk-text-primary);\n transition: var(--unlk-transition);\n }\n\n .unlk-input:focus {\n border-color: #3b82f6;\n box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);\n }\n\n \/* Password Strength Meter *\/\n .unlk-strength-bar {\n height: 4px;\n background: var(--unlk-border);\n border-radius: 2px;\n margin-top: 0.5rem;\n overflow: hidden;\n display: flex;\n }\n\n .unlk-strength-fill {\n height: 100%;\n width: 0%;\n transition: var(--unlk-transition);\n }\n\n \/* Action Buttons *\/\n .unlk-btn {\n width: 100%;\n padding: 0.875rem 1.5rem;\n font-size: 1rem;\n font-weight: 700;\n border: none;\n border-radius: var(--unlk-radius-sm);\n cursor: pointer;\n display: inline-flex;\n align-items: center;\n justify-content: center;\n gap: 0.5rem;\n transition: var(--unlk-transition);\n color: #ffffff;\n position: relative;\n overflow: hidden;\n }\n\n .unlk-btn-primary {\n background: var(--unlk-primary);\n }\n\n .unlk-btn-primary:hover {\n background: var(--unlk-primary-hover);\n transform: translateY(-1px);\n }\n\n .unlk-btn-secondary {\n background: #f1f5f9;\n color: var(--unlk-text-secondary);\n border: 1px solid var(--unlk-border);\n }\n\n .unlk-btn-secondary:hover {\n background: #e2e8f0;\n color: var(--unlk-text-primary);\n }\n\n \/* Interactive UI Icons \/ View Toggles *\/\n .unlk-icon-btn {\n position: absolute;\n right: 0.75rem;\n background: none;\n border: none;\n color: var(--unlk-text-secondary);\n cursor: pointer;\n display: flex;\n align-items: center;\n justify-content: center;\n padding: 0.25rem;\n border-radius: 4px;\n transition: var(--unlk-transition);\n }\n\n .unlk-icon-btn:hover {\n color: var(--unlk-text-primary);\n background: rgba(0,0,0,0.05);\n }\n\n \/* Status Panels (Success\/Failure\/Errors) *\/\n .unlk-alert {\n display: flex;\n align-items: flex-start;\n gap: 0.75rem;\n padding: 1rem;\n border-radius: var(--unlk-radius-sm);\n margin-bottom: 1.5rem;\n animation: unlkFadeIn 0.3s ease;\n }\n\n .unlk-alert-error {\n background-color: var(--unlk-error-bg);\n border: 1px solid #fee2e2;\n color: var(--unlk-error);\n }\n\n .unlk-alert-success {\n background-color: var(--unlk-success-bg);\n border: 1px solid #d1fae5;\n color: var(--unlk-success);\n }\n\n \/* Preview Area Panel *\/\n .unlk-preview-header {\n display: flex;\n justify-content: space-between;\n align-items: center;\n margin-bottom: 1rem;\n }\n\n .unlk-preview-frame {\n width: 100%;\n height: 350px;\n border: 1px solid var(--unlk-border);\n border-radius: var(--unlk-radius-sm);\n background: #cbd5e1;\n overflow-y: auto;\n display: flex;\n justify-content: center;\n align-items: flex-start;\n padding: 1rem;\n position: relative;\n }\n\n \/* Canvas inside preview *\/\n .unlk-preview-canvas {\n max-width: 100%;\n box-shadow: var(--unlk-shadow-md);\n background: white;\n }\n\n \/* Loader Overlay Component *\/\n .unlk-loader-overlay {\n position: absolute;\n top: 0;\n left: 0;\n width: 100%;\n height: 100%;\n background: rgba(255, 255, 255, 0.9);\n display: flex;\n flex-direction: column;\n align-items: center;\n justify-content: center;\n z-index: 10;\n }\n\n .unlk-spinner {\n width: 40px;\n height: 40px;\n border: 4px solid var(--unlk-border);\n border-top: 4px solid #3b82f6;\n border-radius: 50%;\n animation: unlkSpin 1s linear infinite;\n margin-bottom: 1rem;\n }\n\n \/* Progress track style *\/\n .unlk-progress-bar-container {\n width: 80%;\n height: 6px;\n background: var(--unlk-border);\n border-radius: 3px;\n overflow: hidden;\n margin-top: 0.5rem;\n }\n\n .unlk-progress-bar-fill {\n width: 0%;\n height: 100%;\n background: var(--unlk-accent);\n transition: width 0.2s ease;\n }\n\n \/* Recent Activity Logging styling *\/\n .unlk-recent-list {\n margin-top: 1rem;\n display: flex;\n flex-direction: column;\n gap: 0.75rem;\n }\n\n .unlk-recent-item {\n background: var(--unlk-surface);\n border: 1px solid var(--unlk-border);\n padding: 0.75rem;\n border-radius: var(--unlk-radius-sm);\n display: flex;\n justify-content: space-between;\n align-items: center;\n font-size: 0.8125rem;\n }\n\n .unlk-recent-meta {\n max-width: 70%;\n overflow: hidden;\n }\n\n .unlk-recent-name {\n font-weight: 700;\n color: var(--unlk-text-primary);\n white-space: nowrap;\n overflow: hidden;\n text-overflow: ellipsis;\n display: block;\n }\n\n .unlk-recent-time {\n color: var(--unlk-text-secondary);\n font-size: 0.6875rem;\n }\n\n .unlk-recent-badge {\n background: #ecfdf5;\n color: #10b981;\n padding: 0.25rem 0.5rem;\n border-radius: 4px;\n font-weight: 700;\n }\n\n \/* Keyboard tags *\/\n .unlk-kbd {\n background: #e2e8f0;\n border-radius: 4px;\n padding: 2px 6px;\n font-size: 0.75rem;\n font-family: monospace;\n color: var(--unlk-text-secondary);\n }\n\n \/* Animations declarations *\/\n @keyframes unlkSpin {\n to { transform: rotate(360deg); }\n }\n\n @keyframes unlkFadeIn {\n from { opacity: 0; transform: translateY(5px); }\n to { opacity: 1; transform: translateY(0); }\n }\n\n @keyframes unlkShake {\n 0%, 100% { transform: translateX(0); }\n 25% { transform: translateX(-6px); }\n 75% { transform: translateX(6px); }\n }\n\n .unlk-shake {\n animation: unlkShake 0.2s ease-in-out 2;\n }\n <\/style>\n<\/head>\n<body>\n\n<div class=\"unlk-app-wrapper\">\n <div class=\"unlk-container\">\n \n <header class=\"unlk-header-full unlk-header\">\n <h1>PDF Decryptor & Unlocker<\/h1>\n <p>100% local inside your browser. Your files never leave your device.<\/p>\n <\/header>\n\n <main class=\"unlk-card\">\n \n <div id=\"unlk-loading\" class=\"unlk-loader-overlay unlk-hidden\">\n <div class=\"unlk-spinner\"><\/div>\n <p id=\"unlk-loading-text\" style=\"font-weight: 700; font-size: 0.9375rem;\">Initializing File Processing Engine…<\/p>\n <div class=\"unlk-progress-bar-container\">\n <div id=\"unlk-loading-progress\" class=\"unlk-progress-bar-fill\"><\/div>\n <\/div>\n <\/div>\n\n <div id=\"unlk-dropzone-view\">\n <div class=\"unlk-upload-zone\" id=\"unlk-dropzone\">\n <svg class=\"unlk-upload-icon\" fill=\"none\" stroke=\"currentColor\" viewBox=\"0 0 24 24\">\n <path stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2\" d=\"M7 16a4 4 0 01-.88-7.903A5 5 0 1115.9 6L16 6a5 5 0 011 9.9M15 13l-3-3m0 0l-3 3m3-3v12\" \/>\n <\/svg>\n <h3>Drag & drop your PDF file here<\/h3>\n <p>or click to select file from device storage<\/p>\n <input type=\"file\" id=\"unlk-picker\" class=\"unlk-file-input\" accept=\"application\/pdf\">\n <\/div>\n <\/div>\n\n <div id=\"unlk-alert-container\" class=\"unlk-hidden\">\n <div class=\"unlk-alert unlk-alert-error\" id=\"unlk-alert\">\n <svg style=\"width: 20px; height: 20px; flex-shrink: 0;\" fill=\"none\" stroke=\"currentColor\" viewBox=\"0 0 24 24\">\n <path stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2\" d=\"M12 9v2m0 4h.01m-6.938 4h13.856c1.54 0 2.502-1.667 1.732-3L13.732 4c-.77-1.333-2.694-1.333-3.464 0L3.34 16c-.77 1.333.192 3 1.732 3z\" \/>\n <\/svg>\n <span id=\"unlk-alert-message\">Error message placeholder.<\/span>\n <\/div>\n <\/div>\n\n <div id=\"unlk-file-sandbox\" class=\"unlk-hidden\">\n <div class=\"unlk-meta-grid\">\n <div class=\"unlk-meta-item\">\n <div class=\"unlk-meta-label\">File Name<\/div>\n <div id=\"unlk-meta-name\" class=\"unlk-meta-value\">–<\/div>\n <\/div>\n <div class=\"unlk-meta-item\">\n <div class=\"unlk-meta-label\">File Size<\/div>\n <div id=\"unlk-meta-size\" class=\"unlk-meta-value\">–<\/div>\n <\/div>\n <div class=\"unlk-meta-item\">\n <div class=\"unlk-meta-label\">Pages Count<\/div>\n <div id=\"unlk-meta-pages\" class=\"unlk-meta-value\">–<\/div>\n <\/div>\n <div class=\"unlk-meta-item\">\n <div class=\"unlk-meta-label\">Security Protocol<\/div>\n <div id=\"unlk-meta-security\" class=\"unlk-meta-value\">–<\/div>\n <\/div>\n <\/div>\n\n <hr style=\"border: none; border-top: 1px dashed var(--unlk-border); margin: 1.5rem 0;\">\n\n <div id=\"unlk-password-panel\" class=\"unlk-hidden\">\n <div class=\"unlk-form-group\">\n <label for=\"unlk-pass\">Decryption Security Password<\/label>\n <div class=\"unlk-input-wrapper\">\n <input type=\"password\" id=\"unlk-pass\" class=\"unlk-input\" placeholder=\"Enter owner or user password...\" autocomplete=\"off\">\n <button type=\"button\" class=\"unlk-icon-btn\" id=\"unlk-toggle-view\" title=\"Toggle password view text\" style=\"right: 2.25rem;\">\ud83d\udc41\ufe0f<\/button>\n <button type=\"button\" class=\"unlk-icon-btn\" id=\"unlk-clear-pass\" title=\"Reset Field\" style=\"right: 0.5rem;\">\u2715<\/button>\n <\/div>\n <div class=\"unlk-strength-bar\">\n <div id=\"unlk-strength-fill\" class=\"unlk-strength-fill\"><\/div>\n <\/div>\n <\/div>\n\n <div class=\"unlk-form-group\" style=\"margin-top: 1.5rem;\">\n <button type=\"button\" class=\"unlk-btn unlk-btn-primary\" id=\"unlk-submit-unlock\">\n Unlock PDF\n <\/button>\n <\/div>\n <\/div>\n\n <div id=\"unlk-output-panel\" class=\"unlk-hidden\">\n <div class=\"unlk-form-group\">\n <label for=\"unlk-out-filename\">Custom Export Filename<\/label>\n <input type=\"text\" id=\"unlk-out-filename\" class=\"unlk-input\" placeholder=\"unlocked_document\">\n <\/div>\n\n <div style=\"display: grid; grid-template-columns: 1fr 1fr; gap: 1rem;\">\n <button type=\"button\" class=\"unlk-btn unlk-btn-primary\" id=\"unlk-download-btn\">\n \ud83d\udce5 Download Unlocked PDF\n <\/button>\n <button type=\"button\" class=\"unlk-btn unlk-btn-secondary\" id=\"unlk-print-btn\">\n \ud83d\udda8\ufe0f Print Document\n <\/button>\n <\/div>\n <\/div>\n\n <div style=\"margin-top: 1rem;\">\n <button type=\"button\" class=\"unlk-btn unlk-btn-secondary\" id=\"unlk-reset-btn\" style=\"width: 100%;\">\n Reset Sandbox Tool\n <\/button>\n <\/div>\n <\/div>\n\n <\/main>\n\n <aside style=\"display: flex; flex-direction: column; gap: 1.5rem;\">\n \n <div class=\"unlk-card\" style=\"padding: 1.5rem;\">\n <div class=\"unlk-preview-header\">\n <h4 style=\"font-weight: 700; font-size: 0.9375rem;\">Document Viewport<\/h4>\n <button class=\"unlk-kbd\" id=\"unlk-preview-theme\" title=\"Invert screen canvas styling colors\">Toggle Dark Preview<\/button>\n <\/div>\n <div class=\"unlk-preview-frame\" id=\"unlk-frame\">\n <div id=\"unlk-preview-placeholder\" style=\"text-align: center; color: var(--unlk-text-secondary); font-size: 0.8125rem;\">\n No active file available for viewing. Unlock a file to inspect its pages.\n <\/div>\n <canvas id=\"unlk-preview-canvas\" class=\"unlk-preview-canvas unlk-hidden\"><\/canvas>\n <\/div>\n <\/div>\n\n <div class=\"unlk-card\" style=\"padding: 1.5rem;\">\n <h4 style=\"font-weight: 700; font-size: 0.9375rem; margin-bottom: 0.5rem;\">Recent Conversions<\/h4>\n <div class=\"unlk-recent-list\" id=\"unlk-recent-container\">\n <\/div>\n <\/div>\n\n <div class=\"unlk-card\" style=\"padding: 1.5rem; font-size: 0.8125rem; line-height: 1.5; color: var(--unlk-text-secondary);\">\n <h4 style=\"font-weight: 700; font-size: 0.9375rem; margin-bottom: 0.5rem; color: var(--unlk-text-primary);\">System Guide<\/h4>\n <p style=\"margin-bottom: 0.5rem;\">\u2699\ufe0f <strong>Quick Access Shortcuts:<\/strong><\/p>\n <div style=\"margin-bottom: 0.25rem;\"><span class=\"unlk-kbd\">Ctrl + V<\/span> Paste file source in browser window<\/div>\n <div style=\"margin-bottom: 0.5rem;\"><span class=\"unlk-kbd\">Esc<\/span> Fast clear execution workspace<\/div>\n <p>\ud83d\udd12 <strong>No Crack Guarantee:<\/strong> We do not brute force or bypass permissions. Enter the valid decryption password to strip signature security layers locally.<\/p>\n <\/div>\n\n <\/aside>\n\n <\/div>\n<\/div>\n\n<script>\n(function() {\n 'use strict';\n\n \/\/ Global namespaced local system states\n const unlkState = {\n activeFileRawBytes: null,\n activeFileName: '',\n activeFileSize: 0,\n totalPages: 0,\n isEncrypted: false,\n decryptedFileBytes: null,\n darkPreviewActive: false\n };\n\n \/\/ Node pointer references\n const unlkNodes = {\n appWrapper: document.querySelector('.unlk-app-wrapper'),\n picker: document.getElementById('unlk-picker'),\n dropzone: document.getElementById('unlk-dropzone'),\n dropzoneView: document.getElementById('unlk-dropzone-view'),\n alertContainer: document.getElementById('unlk-alert-container'),\n alertMessage: document.getElementById('unlk-alert-message'),\n fileSandbox: document.getElementById('unlk-file-sandbox'),\n metaName: document.getElementById('unlk-meta-name'),\n metaSize: document.getElementById('unlk-meta-size'),\n metaPages: document.getElementById('unlk-meta-pages'),\n metaSecurity: document.getElementById('unlk-meta-security'),\n passwordPanel: document.getElementById('unlk-password-panel'),\n outputPanel: document.getElementById('unlk-output-panel'),\n passInput: document.getElementById('unlk-pass'),\n toggleView: document.getElementById('unlk-toggle-view'),\n clearPass: document.getElementById('unlk-clear-pass'),\n strengthFill: document.getElementById('unlk-strength-fill'),\n submitUnlock: document.getElementById('unlk-submit-unlock'),\n outFilename: document.getElementById('unlk-out-filename'),\n downloadBtn: document.getElementById('unlk-download-btn'),\n printBtn: document.getElementById('unlk-print-btn'),\n resetBtn: document.getElementById('unlk-reset-btn'),\n loadingOverlay: document.getElementById('unlk-loading'),\n loadingText: document.getElementById('unlk-loading-text'),\n loadingProgress: document.getElementById('unlk-loading-progress'),\n previewCanvas: document.getElementById('unlk-preview-canvas'),\n previewPlaceholder: document.getElementById('unlk-preview-placeholder'),\n previewThemeBtn: document.getElementById('unlk-preview-theme'),\n recentContainer: document.getElementById('unlk-recent-container')\n };\n\n \/\/ Setup pdfjs worker target\n pdfjsLib.GlobalWorkerOptions.workerSrc = 'https:\/\/cdnjs.cloudflare.com\/ajax\/libs\/pdf.js\/3.4.120\/pdf.worker.min.js';\n\n \/\/ Lifecycle boot init system\n function unlkInit() {\n unlkSetupEventListeners();\n unlkLoadHistory();\n }\n\n \/\/ Attach listeners\n function unlkSetupEventListeners() {\n unlkNodes.picker.addEventListener('change', unlkHandlePicker);\n unlkNodes.dropzone.addEventListener('dragover', unlkHandleDragOver);\n unlkNodes.dropzone.addEventListener('dragleave', unlkHandleDragLeave);\n unlkNodes.dropzone.addEventListener('drop', unlkHandleDrop);\n unlkNodes.toggleView.addEventListener('click', unlkTogglePasswordView);\n unlkNodes.clearPass.addEventListener('click', () => { unlkNodes.passInput.value = ''; unlkEvaluateStrength(''); });\n unlkNodes.passInput.addEventListener('input', (e) => unlkEvaluateStrength(e.target.value));\n unlkNodes.submitUnlock.addEventListener('click', unlkAttemptDecryption);\n unlkNodes.downloadBtn.addEventListener('click', unlkTriggerDownload);\n unlkNodes.printBtn.addEventListener('click', unlkTriggerPrint);\n unlkNodes.resetBtn.addEventListener('click', unlkResetWorkspace);\n unlkNodes.previewThemeBtn.addEventListener('click', unlkTogglePreviewTheme);\n\n \/\/ Core dynamic paste bindings\n window.addEventListener('paste', unlkHandlePaste);\n\n \/\/ Core escape triggers\n window.addEventListener('keydown', (e) => {\n if (e.key === 'Escape') unlkResetWorkspace();\n });\n }\n\n \/\/ Drag Drop handlers\n function unlkHandleDragOver(e) {\n e.preventDefault();\n unlkNodes.dropzone.classList.add('unlk-dragover');\n }\n\n function unlkHandleDragLeave() {\n unlkNodes.dropzone.classList.remove('unlk-dragover');\n }\n\n function unlkHandleDrop(e) {\n e.preventDefault();\n unlkNodes.dropzone.classList.remove('unlk-dragover');\n if (e.dataTransfer.files && e.dataTransfer.files[0]) {\n unlkLoadBlob(e.dataTransfer.files[0]);\n }\n }\n\n function unlkHandlePicker(e) {\n if (e.target.files && e.target.files[0]) {\n unlkLoadBlob(e.target.files[0]);\n }\n }\n\n function unlkHandlePaste(e) {\n if (e.clipboardData && e.clipboardData.files.length > 0) {\n const firstFile = e.clipboardData.files[0];\n if (firstFile.type === \"application\/pdf\" || firstFile.name.endsWith('.pdf')) {\n unlkLoadBlob(firstFile);\n }\n }\n }\n\n \/\/ Load selected files into arrayBuffers\n async function unlkLoadBlob(file) {\n if (!file.name.endsWith('.pdf')) {\n unlkShowAlert(\"Selected asset does not appear to be a PDF standard file. Please choose a valid target document.\");\n return;\n }\n\n unlkHideAlert();\n unlkShowLoading(\"Accessing File Structs...\", 20);\n\n unlkState.activeFileName = file.name;\n unlkState.activeFileSize = file.size;\n\n try {\n const buffer = await file.arrayBuffer();\n unlkState.activeFileRawBytes = new Uint8Array(buffer);\n await unlkAnalyzeFile();\n } catch (err) {\n unlkShowAlert(\"System cannot parse the uploaded data stream as a PDF binary. Maybe it is damaged or corrupted.\");\n unlkHideLoading();\n }\n }\n\n \/\/ PDF structural validation\n async function unlkAnalyzeFile() {\n unlkShowLoading(\"Querying encryption tags...\", 60);\n try {\n \/\/ Read with pdf-lib to discover structural permissions parameters\n let pdfDoc;\n let isLocked = false;\n\n try {\n pdfDoc = await PDFLib.PDFDocument.load(unlkState.activeFileRawBytes);\n } catch (err) {\n if (err.message.includes('encrypted') || err.message.includes('password') || err.message.includes('Password')) {\n isLocked = true;\n } else {\n throw err;\n }\n }\n\n unlkState.isEncrypted = isLocked;\n\n \/\/ Basic metrics\n unlkNodes.metaName.innerText = unlkState.activeFileName;\n unlkNodes.metaSize.innerText = (unlkState.activeFileSize \/ (1024 * 1024)).toFixed(2) + ' MB';\n\n if (isLocked) {\n unlkNodes.metaPages.innerText = \"Unknown (Locked)\";\n unlkNodes.metaSecurity.innerText = \"Encrypted (Password Required)\";\n unlkNodes.passwordPanel.classList.remove('unlk-hidden');\n unlkNodes.outputPanel.classList.add('unlk-hidden');\n unlkNodes.passInput.focus();\n } else {\n \/\/ Not locked. We can directly display properties\n unlkState.totalPages = pdfDoc.getPageCount();\n unlkNodes.metaPages.innerText = unlkState.totalPages;\n unlkNodes.metaSecurity.innerText = \"None (Already Decrypted)\";\n \n unlkState.decryptedFileBytes = unlkState.activeFileRawBytes;\n unlkNodes.passwordPanel.classList.add('unlk-hidden');\n unlkNodes.outputPanel.classList.remove('unlk-hidden');\n unlkNodes.outFilename.value = unlkState.activeFileName.replace(\/\\.[^\/.]+$\/, \"\") + \"_unlocked\";\n\n \/\/ Immediately render direct preview page\n await unlkRenderLocalPreview(unlkState.decryptedFileBytes);\n }\n\n unlkNodes.dropzoneView.classList.add('unlk-hidden');\n unlkNodes.fileSandbox.classList.remove('unlk-hidden');\n\n } catch (err) {\n unlkShowAlert(\"Error reading document structure: \" + err.message);\n } finally {\n unlkHideLoading();\n }\n }\n\n \/\/ Decryption attempts logic\n async function unlkAttemptDecryption() {\n unlkHideAlert();\n const pass = unlkNodes.passInput.value;\n if (!pass) {\n unlkShakeCard(unlkNodes.passwordPanel);\n unlkShowAlert(\"Please supply the required security passcode key.\");\n return;\n }\n\n unlkShowLoading(\"Verifying decryption password key...\", 50);\n\n try {\n const decDoc = await PDFLib.PDFDocument.load(unlkState.activeFileRawBytes, {\n password: pass\n });\n\n \/\/ If loading succeeded, the pass is accurate. Save out standard unlocked raw bytes\n unlkState.decryptedFileBytes = await decDoc.save();\n unlkState.totalPages = decDoc.getPageCount();\n\n \/\/ Render stats Update UI\n unlkNodes.metaPages.innerText = unlkState.totalPages;\n unlkNodes.metaSecurity.innerText = \"Unlocked & Decrypted\";\n\n unlkNodes.passwordPanel.classList.add('unlk-hidden');\n unlkNodes.outputPanel.classList.remove('unlk-hidden');\n unlkNodes.outFilename.value = unlkState.activeFileName.replace(\/\\.[^\/.]+$\/, \"\") + \"_unlocked\";\n\n \/\/ Render output preview\n await unlkRenderLocalPreview(unlkState.decryptedFileBytes);\n unlkRecordRecentHistory(unlkState.activeFileName);\n\n } catch (err) {\n unlkShakeCard(unlkNodes.passwordPanel);\n unlkShowAlert(\"Incorrect decryption passcode or corrupt structure parsing key signature.\");\n } finally {\n unlkHideLoading();\n }\n }\n\n \/\/ Local screen viewer canvas renderer\n async function unlkRenderLocalPreview(rawBytes) {\n unlkNodes.previewPlaceholder.classList.add('unlk-hidden');\n unlkNodes.previewCanvas.classList.remove('unlk-hidden');\n\n try {\n const pdfjsDoc = await pdfjsLib.getDocument({ data: rawBytes }).promise;\n const page = await pdfjsDoc.getPage(1);\n \n const viewport = page.getViewport({ scale: 1.0 });\n const context = unlkNodes.previewCanvas.getContext('2d');\n\n \/\/ Set size targets\n unlkNodes.previewCanvas.height = viewport.height;\n unlkNodes.previewCanvas.width = viewport.width;\n\n await page.render({\n canvasContext: context,\n viewport: viewport\n }).promise;\n\n } catch (err) {\n \/\/ Non critical preview fails, we just don't display preview\n unlkNodes.previewPlaceholder.innerText = \"Failed rendering live preview (document decrypted successfully).\";\n unlkNodes.previewPlaceholder.classList.remove('unlk-hidden');\n unlkNodes.previewCanvas.classList.add('unlk-hidden');\n }\n }\n\n \/\/ Toggle Preview Dark Scheme filters\n function unlkTogglePreviewTheme() {\n unlkState.darkPreviewActive = !unlkState.darkPreviewActive;\n if (unlkState.darkPreviewActive) {\n unlkNodes.previewCanvas.style.filter = \"invert(1) hue-rotate(180deg)\";\n } else {\n unlkNodes.previewCanvas.style.filter = \"none\";\n }\n }\n\n \/\/ Export unlocked file targets\n function unlkTriggerDownload() {\n if (!unlkState.decryptedFileBytes) return;\n\n let name = unlkNodes.outFilename.value.trim();\n if (!name) name = \"unlocked_document\";\n if (!name.endsWith('.pdf')) name += \".pdf\";\n\n const blob = new Blob([unlkState.decryptedFileBytes], { type: 'application\/pdf' });\n const url = URL.createObjectURL(blob);\n\n const a = document.createElement('a');\n a.href = url;\n a.download = name;\n document.body.appendChild(a);\n a.click();\n document.body.removeChild(a);\n URL.revokeObjectURL(url);\n }\n\n \/\/ Printing processing frames\n function unlkTriggerPrint() {\n if (!unlkState.decryptedFileBytes) return;\n\n const blob = new Blob([unlkState.decryptedFileBytes], { type: 'application\/pdf' });\n const url = URL.createObjectURL(blob);\n\n const iframe = document.createElement('iframe');\n iframe.style.position = 'fixed';\n iframe.style.right = '0';\n iframe.style.bottom = '0';\n iframe.style.width = '0';\n iframe.style.height = '0';\n iframe.style.border = '0';\n iframe.src = url;\n\n document.body.appendChild(iframe);\n iframe.onload = () => {\n iframe.contentWindow.focus();\n iframe.contentWindow.print();\n setTimeout(() => {\n document.body.removeChild(iframe);\n URL.revokeObjectURL(url);\n }, 1000);\n };\n }\n\n \/\/ UI Feedback Helpers\n function unlkShowAlert(msg) {\n unlkNodes.alertMessage.innerText = msg;\n unlkNodes.alertContainer.classList.remove('unlk-hidden');\n }\n\n function unlkHideAlert() {\n unlkNodes.alertContainer.classList.add('unlk-hidden');\n }\n\n function unlkShowLoading(text, percentage = 0) {\n unlkNodes.loadingText.innerText = text;\n unlkNodes.loadingProgress.style.width = `${percentage}%`;\n unlkNodes.loadingOverlay.classList.remove('unlk-hidden');\n }\n\n function unlkHideLoading() {\n unlkNodes.loadingOverlay.classList.add('unlk-hidden');\n }\n\n function unlkTogglePasswordView() {\n if (unlkNodes.passInput.type === 'password') {\n unlkNodes.passInput.type = 'text';\n unlkNodes.toggleView.innerText = '\ud83d\ude48';\n } else {\n unlkNodes.passInput.type = 'password';\n unlkNodes.toggleView.innerText = '\ud83d\udc41\ufe0f';\n }\n }\n\n function unlkEvaluateStrength(val) {\n let percent = 0;\n let color = '#ef4444';\n\n if (val.length > 0) {\n percent = 20;\n if (val.length > 5) percent = 40;\n if (val.length > 8) percent = 70;\n if (\/[A-Z]\/.test(val) && \/[0-9]\/.test(val) && val.length > 8) percent = 100;\n }\n\n if (percent < 50) {\n color = '#ef4444';\n } else if (percent < 100) {\n color = '#eab308';\n } else {\n color = '#10b981';\n }\n\n unlkNodes.strengthFill.style.width = `${percent}%`;\n unlkNodes.strengthFill.style.backgroundColor = color;\n }\n\n function unlkShakeCard(element) {\n element.classList.add('unlk-shake');\n setTimeout(() => {\n element.classList.remove('unlk-shake');\n }, 400);\n }\n\n \/\/ Reset whole viewport sandbox structure\n function unlkResetWorkspace() {\n unlkState.activeFileRawBytes = null;\n unlkState.activeFileName = '';\n unlkState.activeFileSize = 0;\n unlkState.totalPages = 0;\n unlkState.isEncrypted = false;\n unlkState.decryptedFileBytes = null;\n\n unlkNodes.picker.value = '';\n unlkNodes.passInput.value = '';\n unlkEvaluateStrength('');\n\n unlkNodes.dropzoneView.classList.remove('unlk-hidden');\n unlkNodes.fileSandbox.classList.add('unlk-hidden');\n unlkNodes.alertContainer.classList.add('unlk-hidden');\n\n \/\/ Reset Preview viewports\n unlkNodes.previewPlaceholder.innerText = \"No active file available for viewing. Unlock a file to inspect its pages.\";\n unlkNodes.previewPlaceholder.classList.remove('unlk-hidden');\n unlkNodes.previewCanvas.classList.add('unlk-hidden');\n \n unlkHideLoading();\n }\n\n \/\/ History log handlers (Local Storage)\n function unlkRecordRecentHistory(name) {\n try {\n let logs = [];\n const raw = localStorage.getItem('unlk-activity-logs');\n if (raw) logs = JSON.parse(raw);\n\n logs.unshift({\n id: Date.now(),\n name: name,\n time: new Date().toLocaleTimeString([], { hour: '2-digit', minute: '2-digit' })\n });\n\n if (logs.length > 4) logs.pop();\n\n localStorage.setItem('unlk-activity-logs', JSON.stringify(logs));\n unlkLoadHistory();\n } catch (e) {\n \/\/ Silence LocalStorage issues\n }\n }\n\n function unlkLoadHistory() {\n unlkNodes.recentContainer.innerHTML = '';\n try {\n const raw = localStorage.getItem('unlk-activity-logs');\n const logs = raw ? JSON.parse(raw) : [];\n\n if (logs.length === 0) {\n unlkNodes.recentContainer.innerHTML = `<div style=\"text-align: center; color: var(--unlk-text-secondary); font-size: 0.75rem; padding: 1rem 0;\">No active processing logs found.<\/div>`;\n return;\n }\n\n logs.forEach(log => {\n const item = document.createElement('div');\n item.className = 'unlk-recent-item';\n \n const meta = document.createElement('div');\n meta.className = 'unlk-recent-meta';\n \n const nameSpan = document.createElement('span');\n nameSpan.className = 'unlk-recent-name';\n nameSpan.innerText = log.name;\n \n const timeSpan = document.createElement('span');\n timeSpan.className = 'unlk-recent-time';\n timeSpan.innerText = log.time;\n\n const badge = document.createElement('span');\n badge.className = 'unlk-recent-badge';\n badge.innerText = \"Unlocked\";\n\n meta.appendChild(nameSpan);\n meta.appendChild(timeSpan);\n item.appendChild(meta);\n item.appendChild(badge);\n\n unlkNodes.recentContainer.appendChild(item);\n });\n } catch (e) {\n unlkNodes.recentContainer.innerHTML = `<div style=\"text-align: center; color: var(--unlk-text-secondary); font-size: 0.75rem;\">Error accessing logs.<\/div>`;\n }\n }\n\n \/\/ Run core routines\n unlkInit();\n\n})();\n<\/script>\n\n<\/body>\n<\/html>\n","protected":false},"excerpt":{"rendered":"<p>Professional PDF Unlock Tool PDF Decryptor & Unlocker 100% local inside your browser. Your files never leave your device. Initializing File Processing Engine… Drag & drop your PDF file here or click to select file from device storage Error message placeholder. File Name – File Size – Pages Count – Security Protocol – Decryption Security […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-503","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/freewebtools.co.in\/index.php\/wp-json\/wp\/v2\/pages\/503","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/freewebtools.co.in\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/freewebtools.co.in\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/freewebtools.co.in\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/freewebtools.co.in\/index.php\/wp-json\/wp\/v2\/comments?post=503"}],"version-history":[{"count":1,"href":"https:\/\/freewebtools.co.in\/index.php\/wp-json\/wp\/v2\/pages\/503\/revisions"}],"predecessor-version":[{"id":504,"href":"https:\/\/freewebtools.co.in\/index.php\/wp-json\/wp\/v2\/pages\/503\/revisions\/504"}],"wp:attachment":[{"href":"https:\/\/freewebtools.co.in\/index.php\/wp-json\/wp\/v2\/media?parent=503"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}