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bentopdf/src/pages/compare-pdfs.html

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<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<!-- Primary Meta Tags -->
<title>Compare Pdfs Online Free - Compare Pdfs Tool | BentoPDF</title>
<meta
name="title"
content="Compare Pdfs Online Free - Compare Pdfs Tool | BentoPDF"
/>
<meta
name="description"
content="★ Compare Pdfs online free - Compare pdfs PDFs easily ★ No signup ★ Unlimited files ★ Privacy-first ★ Works in browser ★ Fast & secure"
/>
<meta name="keywords" content="compare pdfs, compare pdfs, online pdf" />
<meta name="author" content="BentoPDF" />
<meta
name="robots"
content="index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1"
/>
<!-- Canonical URL -->
<link rel="canonical" href="https://www.bentopdf.com/compare-pdfs.html" />
<!-- Open Graph / Facebook / LinkedIn -->
<meta property="og:type" content="website" />
<meta property="og:url" content="https://www.bentopdf.com/compare-pdfs" />
<meta
property="og:title"
content="Compare Pdfs Online Free - Compare Pdfs Tool | BentoPDF"
/>
<meta
property="og:description"
content="★ Compare Pdfs online free - Compare pdfs PDFs easily ★ No signup ★ Unlimited files ★ Privacy-first ★ Works in browser ★ Fast & secure"
/>
<meta
property="og:image"
content="https://www.bentopdf.com/images/og-compare-pdfs.png"
/>
<meta property="og:image:width" content="1200" />
<meta property="og:image:height" content="630" />
<meta property="og:site_name" content="BentoPDF" />
<!-- Twitter Card -->
<meta name="twitter:card" content="summary_large_image" />
<meta name="twitter:url" content="https://www.bentopdf.com/compare-pdfs" />
<meta name="twitter:title" content="Compare Pdfs Free" />
<meta
name="twitter:description"
content="★ Compare Pdfs online free - Compare pdfs PDFs easily ★ No signup ★ Unlimited files ★ Privacy-first ★ Works in browser ★"
/>
<meta
name="twitter:image"
content="https://www.bentopdf.com/images/twitter-compare-pdfs.png"
/>
<meta name="twitter:site" content="@BentoPDF" />
<!-- Mobile Web App -->
<meta name="mobile-web-app-capable" content="yes" />
<meta name="apple-mobile-web-app-capable" content="yes" />
<meta name="apple-mobile-web-app-title" content="Compare Pdfs" />
<title>Compare PDFs - BentoPDF</title>
<meta
name="description"
content="Compare two PDF files side by side or with overlay. See differences between PDF versions. Free, secure, and runs entirely in your browser."
/>
<link href="/src/css/styles.css" rel="stylesheet" />
<style>
.compare-viewer-wrapper.overlay-mode {
position: relative;
display: flex;
align-items: stretch;
background: #ffffff;
overflow: hidden;
min-height: 0;
padding: 1.5rem;
}
.compare-viewer-wrapper.overlay-mode #panel-1 {
flex: 1 1 auto;
width: 100%;
height: 100%;
min-height: 0;
overflow: auto;
scrollbar-width: none;
-ms-overflow-style: none;
}
.compare-viewer-wrapper.overlay-mode #panel-1::-webkit-scrollbar {
display: none;
}
.compare-viewer-wrapper.overlay-mode #panel-2 {
position: absolute;
inset: 1.5rem;
min-height: 0;
overflow: hidden;
pointer-events: none;
background: transparent;
}
.compare-viewer-wrapper.overlay-mode .compare-panel-label {
display: none;
}
.compare-viewer-wrapper.overlay-mode .compare-canvas-stage canvas {
position: static;
top: auto;
left: auto;
width: auto;
height: auto;
}
.compare-viewer-wrapper.overlay-mode
#panel-2
.compare-canvas-stage
canvas {
background: transparent;
}
.compare-viewer-wrapper.side-by-side-mode {
display: flex;
gap: 0;
padding: 0;
background: #ffffff;
}
.compare-workspace {
display: grid;
gap: 1rem;
grid-template-columns: minmax(0, 1fr) 20rem;
align-items: stretch;
min-height: clamp(32rem, 72vh, 56rem);
}
.compare-viewer-wrapper {
height: 100%;
min-height: 0;
}
.compare-viewer-wrapper.side-by-side-mode #panel-1,
.compare-viewer-wrapper.side-by-side-mode #panel-2 {
flex: 1;
overflow: auto;
min-height: 0;
height: 100%;
border: none;
border-radius: 0;
box-shadow: none;
}
.compare-viewer-wrapper.side-by-side-mode #panel-1 {
border-right: 2px solid #cbd5e1;
}
.compare-panel {
position: relative;
min-width: 0;
min-height: 0;
background: #ffffff;
}
.compare-panel-label {
position: sticky;
top: 0;
z-index: 5;
padding: 0.5rem 1rem;
font-size: 0.75rem;
font-weight: 600;
text-transform: uppercase;
letter-spacing: 0.05em;
color: #64748b;
background: rgba(255, 255, 255, 0.95);
border-bottom: 1px solid #e2e8f0;
backdrop-filter: blur(4px);
}
.compare-canvas-stage {
--compare-stage-pad-top: 1.5rem;
--compare-stage-pad-x: 1.75rem;
--compare-stage-pad-bottom: 1.75rem;
position: relative;
width: max-content;
margin: 0 auto;
padding: var(--compare-stage-pad-top) var(--compare-stage-pad-x)
var(--compare-stage-pad-bottom);
}
.compare-canvas-stage canvas {
display: block;
background: #ffffff;
}
.compare-highlight-layer {
position: absolute;
inset: var(--compare-stage-pad-top) var(--compare-stage-pad-x)
var(--compare-stage-pad-bottom);
pointer-events: none;
}
.compare-highlight {
position: absolute;
border-radius: 2px;
border: none;
}
.compare-highlight.added {
background: rgba(34, 197, 94, 0.28);
}
.compare-highlight.removed,
.compare-highlight.page-removed {
background: rgba(239, 68, 68, 0.28);
}
.compare-highlight.modified {
background: rgba(245, 158, 11, 0.28);
}
.compare-highlight.moved {
background: rgba(168, 85, 247, 0.28);
}
.compare-highlight.style-changed {
background: rgba(59, 130, 246, 0.28);
}
.compare-highlight.active {
outline: 2px solid rgba(99, 102, 241, 0.7);
outline-offset: 1px;
}
.compare-placeholder {
position: absolute;
inset: 2rem;
display: flex;
align-items: center;
justify-content: center;
text-align: center;
padding: 1rem;
border: 1px dashed #94a3b8;
border-radius: 0.75rem;
color: #475569;
background: rgba(255, 255, 255, 0.92);
}
.compare-placeholder.hidden {
display: none;
}
.compare-sidebar {
display: flex;
flex-direction: column;
gap: 0;
background: rgba(15, 23, 42, 0.6);
border: 1px solid rgba(51, 65, 85, 0.5);
border-radius: 0.75rem;
overflow: hidden;
height: 100%;
min-height: 0;
}
.compare-sidebar-header {
padding: 0.5rem 0.75rem;
border-bottom: 1px solid rgba(51, 65, 85, 0.5);
}
.compare-sidebar-filters {
display: flex;
flex-direction: column;
gap: 0;
padding: 0;
border-bottom: 1px solid rgba(51, 65, 85, 0.4);
}
.compare-filter-group {
display: flex;
flex-wrap: wrap;
align-items: center;
gap: 0.25rem;
padding: 0.375rem 0.75rem;
}
.compare-filter-group + .compare-filter-group {
border-top: 1px solid rgba(51, 65, 85, 0.25);
}
.compare-filter-label {
width: 100%;
font-size: 0.5625rem;
font-weight: 600;
text-transform: uppercase;
letter-spacing: 0.08em;
color: #64748b;
}
.compare-pill {
display: inline-flex;
align-items: center;
gap: 0.1875rem;
border-radius: 9999px;
padding: 0.125rem 0.5rem;
font-size: 0.625rem;
font-weight: 600;
border: 1px solid transparent;
cursor: pointer;
transition: all 0.15s;
white-space: nowrap;
}
.compare-pill.removed {
color: #fca5a5;
background: rgba(239, 68, 68, 0.1);
border-color: rgba(239, 68, 68, 0.15);
}
.compare-pill.removed.active {
background: rgba(239, 68, 68, 0.25);
border-color: rgba(239, 68, 68, 0.5);
}
.compare-pill.modified {
color: #fcd34d;
background: rgba(245, 158, 11, 0.1);
border-color: rgba(245, 158, 11, 0.15);
}
.compare-pill.modified.active {
background: rgba(245, 158, 11, 0.25);
border-color: rgba(245, 158, 11, 0.5);
}
.compare-pill.added {
color: #86efac;
background: rgba(34, 197, 94, 0.1);
border-color: rgba(34, 197, 94, 0.15);
}
.compare-pill.added.active {
background: rgba(34, 197, 94, 0.25);
border-color: rgba(34, 197, 94, 0.5);
}
.compare-pill.moved {
color: #c4b5fd;
background: rgba(168, 85, 247, 0.1);
border-color: rgba(168, 85, 247, 0.15);
}
.compare-pill.moved.active {
background: rgba(168, 85, 247, 0.25);
border-color: rgba(168, 85, 247, 0.5);
}
.compare-pill.style-changed {
color: #93c5fd;
background: rgba(59, 130, 246, 0.1);
border-color: rgba(59, 130, 246, 0.15);
}
.compare-pill.style-changed.active {
background: rgba(59, 130, 246, 0.25);
border-color: rgba(59, 130, 246, 0.5);
}
.compare-pill.category {
color: #a5b4fc;
background: rgba(99, 102, 241, 0.1);
border-color: rgba(99, 102, 241, 0.15);
}
.compare-pill.category.active {
background: rgba(99, 102, 241, 0.25);
border-color: rgba(99, 102, 241, 0.5);
}
.compare-pill.category.disabled {
opacity: 0.35;
text-decoration: line-through;
}
.compare-change-list {
flex: 1;
min-height: 0;
overflow-y: auto;
padding: 0.75rem;
}
#compare-change-list {
display: flex;
flex-direction: column;
gap: 0.5rem;
}
.compare-change-item {
padding: 0.5rem 0.75rem;
cursor: pointer;
transition: background 0.15s;
border: 1px solid rgba(51, 65, 85, 0.3);
border-radius: 0.5rem;
font-size: 0.8125rem;
color: #cbd5e1;
line-height: 1.5;
}
.compare-change-item:hover {
background: rgba(99, 102, 241, 0.06);
border-color: rgba(99, 102, 241, 0.2);
}
.compare-change-item.active {
background: rgba(99, 102, 241, 0.1);
border-color: rgba(99, 102, 241, 0.3);
}
.compare-section-header {
display: flex;
align-items: center;
gap: 0.375rem;
padding: 0.25rem 0;
margin-top: 0.25rem;
}
.compare-section-label {
font-size: 0.6875rem;
font-weight: 600;
text-transform: uppercase;
letter-spacing: 0.05em;
}
.compare-section-label.added,
.compare-section-label.page-added {
color: #86efac;
}
.compare-section-label.removed,
.compare-section-label.page-removed {
color: #fca5a5;
}
.compare-section-label.modified {
color: #fcd34d;
}
.compare-section-label.moved {
color: #c4b5fd;
}
.compare-section-label.style-changed {
color: #93c5fd;
}
.compare-section-count {
font-size: 0.625rem;
font-weight: 600;
color: #64748b;
}
.compare-section-line {
flex: 1;
height: 1px;
background: rgba(51, 65, 85, 0.4);
}
.compare-change-dot {
width: 0.375rem;
height: 0.375rem;
border-radius: 50%;
flex-shrink: 0;
}
.compare-change-dot.added {
background: #22c55e;
}
.compare-change-dot.removed {
background: #ef4444;
}
.compare-change-dot.modified {
background: #f59e0b;
}
.compare-change-dot.page-added {
background: #22c55e;
}
.compare-change-dot.page-removed {
background: #ef4444;
}
.compare-change-dot.moved {
background: #a855f7;
}
.compare-change-dot.style-changed {
background: #3b82f6;
}
.compare-change-desc {
font-size: 0.8125rem;
color: #e2e8f0;
overflow-wrap: anywhere;
white-space: pre-line;
}
.compare-change-empty {
padding: 2rem 1rem;
font-size: 0.8125rem;
color: #64748b;
text-align: center;
}
@media (max-width: 1023px) {
.compare-workspace {
grid-template-columns: minmax(0, 1fr);
min-height: 0;
}
.compare-sidebar {
height: auto;
max-height: 24rem;
}
.compare-viewer-wrapper {
height: auto;
min-height: 24rem;
}
.compare-viewer-wrapper.side-by-side-mode {
gap: 1rem;
padding: 1rem;
}
.compare-canvas-stage {
--compare-stage-pad-top: 1rem;
--compare-stage-pad-x: 1rem;
--compare-stage-pad-bottom: 1rem;
}
}
</style>
<!-- Web App Manifest -->
<link rel="manifest" href="/site.webmanifest" />
<!-- Favicons -->
<link rel="icon" type="image/svg+xml" href="/images/favicon.svg" />
<link
rel="icon"
type="image/png"
sizes="192x192"
href="/images/favicon-192x192.png"
/>
<link
rel="icon"
type="image/png"
sizes="512x512"
href="/images/favicon-512x512.png"
/>
<link
rel="apple-touch-icon"
sizes="180x180"
href="/images/apple-touch-icon.png"
/>
<link rel="icon" href="/favicon.ico" sizes="32x32" />
</head>
<body class="antialiased bg-gray-900">
{{> navbar }}
<div
id="uploader"
class="min-h-screen flex flex-col items-center justify-start py-12 p-4 bg-gray-900"
>
<div
id="tool-uploader"
class="bg-gray-800 rounded-xl shadow-xl px-4 py-8 md:p-8 max-w-[96rem] w-full text-gray-200 border border-gray-700"
>
<button
id="back-to-tools"
class="flex items-center gap-2 text-indigo-400 hover:text-indigo-300 mb-6 font-semibold"
>
<i data-lucide="arrow-left" class="cursor-pointer"></i>
<span class="cursor-pointer" data-i18n="tools.backToTools">
Back to Tools
2026-01-02 21:33:06 +05:30
</span>
</button>
<h1
class="text-2xl font-bold text-white mb-2"
data-i18n="tools:comparePdfs.name"
>
Compare PDFs
</h1>
<p class="text-gray-400 mb-6" data-i18n="tools:comparePdfs.subtitle">
Compare two PDFs side by side.
</p>
<!-- File Upload Areas -->
<div class="grid grid-cols-1 md:grid-cols-2 gap-4 mb-6">
<div
id="drop-zone-1"
class="relative flex flex-col items-center justify-center w-full h-48 md:h-64 border-2 border-dashed border-gray-600 rounded-xl cursor-pointer bg-gray-900 hover:bg-gray-700 transition-colors duration-300"
>
<div
id="file-display-1"
class="flex flex-col items-center justify-center"
>
<i data-lucide="file-text" class="w-8 h-8 mb-2 text-gray-400"></i>
<p class="text-sm text-gray-400">First PDF</p>
<p class="text-xs text-gray-500">Click or drop</p>
</div>
<input
id="file-input-1"
type="file"
class="absolute top-0 left-0 w-full h-full opacity-0 cursor-pointer"
accept="application/pdf"
/>
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</div>
<div
id="drop-zone-2"
class="relative flex flex-col items-center justify-center w-full h-48 md:h-64 border-2 border-dashed border-gray-600 rounded-xl cursor-pointer bg-gray-900 hover:bg-gray-700 transition-colors duration-300"
>
<div
id="file-display-2"
class="flex flex-col items-center justify-center"
>
<i data-lucide="file-text" class="w-8 h-8 mb-2 text-gray-400"></i>
<p class="text-sm text-gray-400">Second PDF</p>
<p class="text-xs text-gray-500">Click or drop</p>
</div>
<input
id="file-input-2"
type="file"
class="absolute top-0 left-0 w-full h-full opacity-0 cursor-pointer"
accept="application/pdf"
/>
2026-01-02 21:33:06 +05:30
</div>
</div>
<!-- Compare Viewer (hidden until both files loaded) -->
<div id="compare-viewer" class="hidden">
<!-- Toolbar -->
<div
class="flex flex-wrap items-center gap-3 mb-3 p-2 bg-gray-900 rounded-lg border border-gray-700"
>
<button
id="prev-page-compare"
class="btn p-1.5 rounded bg-gray-700 hover:bg-gray-600 disabled:opacity-50"
disabled
title="Previous page"
>
<i data-lucide="chevron-left" class="w-4 h-4"></i>
</button>
<span class="text-sm text-white font-medium">
Page <span id="current-page-display-compare">1</span> /
<span id="total-pages-display-compare">1</span>
</span>
<button
id="next-page-compare"
class="btn p-1.5 rounded bg-gray-700 hover:bg-gray-600 disabled:opacity-50"
disabled
title="Next page"
>
<i data-lucide="chevron-right" class="w-4 h-4"></i>
</button>
<div class="border-l border-gray-700 h-5 mx-1"></div>
<div class="bg-gray-700 p-0.5 rounded flex gap-0.5">
<button
id="view-mode-overlay"
class="btn bg-indigo-600 px-2.5 py-1 rounded text-xs font-semibold"
>
Overlay
</button>
<button
id="view-mode-side"
class="btn px-2.5 py-1 rounded text-xs font-semibold"
>
Side-by-Side
</button>
</div>
<div class="border-l border-gray-700 h-5 mx-1"></div>
<button
id="prev-change-btn"
class="btn bg-gray-700 hover:bg-gray-600 px-2.5 py-1 rounded text-xs font-semibold disabled:opacity-50"
disabled
title="Previous change"
>
<i data-lucide="chevron-up" class="w-3.5 h-3.5"></i>
</button>
<button
id="next-change-btn"
class="btn bg-gray-700 hover:bg-gray-600 px-2.5 py-1 rounded text-xs font-semibold disabled:opacity-50"
disabled
title="Next change"
>
<i data-lucide="chevron-down" class="w-3.5 h-3.5"></i>
</button>
<div class="border-l border-gray-700 h-5 mx-1"></div>
<button
id="zoom-out-btn"
class="btn p-1.5 rounded bg-gray-700 hover:bg-gray-600 disabled:opacity-50"
title="Zoom out"
>
<i data-lucide="minus" class="w-3.5 h-3.5"></i>
</button>
<span
id="zoom-level-display"
class="text-xs text-gray-300 font-medium min-w-[3rem] text-center select-none"
>100%</span
>
<button
id="zoom-in-btn"
class="btn p-1.5 rounded bg-gray-700 hover:bg-gray-600 disabled:opacity-50"
title="Zoom in"
>
<i data-lucide="plus" class="w-3.5 h-3.5"></i>
</button>
<button
id="zoom-reset-btn"
class="btn px-2.5 py-1 rounded bg-gray-700 hover:bg-gray-600 text-xs font-semibold"
title="Reset zoom to fit"
>
Fit
</button>
<div class="flex-1"></div>
<div id="overlay-controls" class="hidden flex items-center gap-2">
<div class="bg-gray-700 p-0.5 rounded flex gap-0.5">
<button
id="overlay-scope-all"
class="btn bg-indigo-600 px-2.5 py-1 rounded text-xs font-semibold"
>
All changes
</button>
<button
id="overlay-scope-content-only"
class="btn px-2.5 py-1 rounded text-xs font-semibold bg-gray-700"
>
Content only
</button>
</div>
<button
id="flicker-btn"
class="btn bg-gray-700 hover:bg-gray-600 px-2.5 py-1 rounded text-xs font-semibold"
>
Flicker
</button>
<label
class="flex items-center gap-1.5 text-xs text-gray-300 cursor-pointer"
>
<input
type="checkbox"
id="overlay-ocr-toggle"
checked
class="w-3.5 h-3.5 rounded text-indigo-600 bg-gray-700 border-gray-600"
/>
OCR
</label>
<input
type="range"
id="opacity-slider"
min="0"
max="1"
step="0.05"
value="0.5"
class="w-20 accent-indigo-500"
/>
</div>
<div id="side-by-side-controls" class="flex items-center gap-2">
<label
class="flex items-center gap-1.5 text-xs text-gray-300 cursor-pointer"
>
<input
type="checkbox"
id="sync-scroll-toggle"
checked
class="w-3.5 h-3.5 rounded text-indigo-600 bg-gray-700 border-gray-600"
/>
Sync scroll
</label>
<label
class="flex items-center gap-1.5 text-xs text-gray-300 cursor-pointer"
>
<input
type="checkbox"
id="ocr-toggle"
checked
class="w-3.5 h-3.5 rounded text-indigo-600 bg-gray-700 border-gray-600"
/>
OCR
</label>
</div>
<div class="relative" id="export-dropdown-wrapper">
<button
id="export-dropdown-btn"
class="btn bg-indigo-600 hover:bg-indigo-500 px-3 py-1.5 rounded text-xs font-semibold flex items-center gap-1.5 disabled:opacity-50"
disabled
>
<i data-lucide="upload" class="w-3.5 h-3.5"></i>
Export
<i data-lucide="chevron-down" class="w-3 h-3"></i>
</button>
<div
id="export-dropdown-menu"
class="hidden absolute right-0 top-full mt-1 w-48 bg-gray-800 border border-gray-600 rounded-lg shadow-xl z-50 py-1"
>
<div
class="px-3 py-1.5 text-[10px] font-semibold text-gray-400 uppercase tracking-wider"
>
Export as PDF
</div>
<button
data-export-mode="overlay"
class="export-menu-item export-menu-item-overlay w-full px-3 py-2 text-sm text-left text-gray-200 hover:bg-gray-700 flex items-center gap-2 hidden"
>
<i data-lucide="layers" class="w-4 h-4 text-gray-400"></i>
Overlay view
</button>
<button
data-export-mode="split"
class="export-menu-item export-menu-item-side w-full px-3 py-2 text-sm text-left text-gray-200 hover:bg-gray-700 flex items-center gap-2"
>
<i data-lucide="columns-2" class="w-4 h-4 text-gray-400"></i>
Split view
</button>
<button
data-export-mode="alternating"
class="export-menu-item export-menu-item-side w-full px-3 py-2 text-sm text-left text-gray-200 hover:bg-gray-700 flex items-center gap-2"
>
<i data-lucide="layers" class="w-4 h-4 text-gray-400"></i>
Alternating
</button>
<button
data-export-mode="left"
class="export-menu-item export-menu-item-side w-full px-3 py-2 text-sm text-left text-gray-200 hover:bg-gray-700 flex items-center gap-2"
>
<i data-lucide="columns-2" class="w-4 h-4 text-gray-400"></i>
Left Document
</button>
<button
data-export-mode="right"
class="export-menu-item export-menu-item-side w-full px-3 py-2 text-sm text-left text-gray-200 hover:bg-gray-700 flex items-center gap-2"
>
<i data-lucide="columns-2" class="w-4 h-4 text-gray-400"></i>
Right Document
</button>
</div>
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Related PDF Tools
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<h3 class="text-white font-semibold mb-1">Rotate Pdf</h3>
<p class="text-gray-400 text-sm">Free online rotate pdf tool</p>
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Is compare pdfs really free?
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Yes! BentoPDF is 100% free with no hidden fees, no signup required,
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Are my files private and secure?
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Absolutely! All processing happens in your browser. Your files never
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Is there a file size limit?
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No! Process files of any size, as many times as you want, completely
free.
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