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Merge pull request #576 from InstaZDLL/feat/timestamp-pdf

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feat: add Timestamp PDF tool with RFC 3161 support
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Alam authored and GitHub committed 2026-03-27 11:03:57 +05:30
2 parents bd44108296 0a718dac8f
commit a90f74c719
31 files changed
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src/pages/timestamp-pdf.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" />
<title>
Timestamp PDF Online Free - RFC 3161 Document Timestamp | BentoPDF
</title>
<meta
name="title"
content="Timestamp PDF Online Free - RFC 3161 Document Timestamp | BentoPDF"
/>
<meta
name="description"
content="★ Add RFC 3161 document timestamp to PDF online free ★ Trusted TSA servers ★ No certificate required ★ Privacy-first ★ Works in browser"
/>
<meta
name="keywords"
content="timestamp pdf, rfc 3161, tsa server, document timestamp, time stamp authority, pdf timestamp"
/>
<meta name="author" content="BentoPDF" />
<meta
name="robots"
content="index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1"
/>
<link rel="canonical" href="https://www.bentopdf.com/timestamp-pdf.html" />
<meta property="og:type" content="website" />
<meta property="og:url" content="https://www.bentopdf.com/timestamp-pdf" />
<meta
property="og:title"
content="Timestamp PDF Online Free - RFC 3161 Document Timestamp | BentoPDF"
/>
<meta
property="og:description"
content="★ Add RFC 3161 document timestamp to PDF online free ★ Trusted TSA servers ★ No certificate required ★ Privacy-first ★ Works in browser"
/>
<meta
property="og:image"
content="https://www.bentopdf.com/images/og-timestamp-pdf.png"
/>
<meta property="og:image:width" content="1200" />
<meta property="og:image:height" content="630" />
<meta property="og:site_name" content="BentoPDF" />
<meta name="twitter:card" content="summary_large_image" />
<meta name="twitter:url" content="https://www.bentopdf.com/timestamp-pdf" />
<meta name="twitter:title" content="Timestamp PDF Free" />
<meta
name="twitter:description"
content="★ Add RFC 3161 document timestamp to PDF online free ★ Trusted TSA servers ★ Privacy-first"
/>
<meta
name="twitter:image"
content="https://www.bentopdf.com/images/twitter-timestamp-pdf.png"
/>
<meta name="twitter:site" content="@BentoPDF" />
<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="Timestamp PDF" />
<link href="/src/css/styles.css" rel="stylesheet" />
<link rel="manifest" href="/site.webmanifest" />
<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-2xl 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
</span>
</button>
<h1
class="text-2xl font-bold text-white mb-2"
data-i18n="tools:timestampPdf.name"
>
Timestamp PDF
</h1>
<p class="text-gray-400 mb-4" data-i18n="tools:timestampPdf.subtitle">
Add an RFC 3161 document timestamp to your PDF using a trusted Time
Stamp Authority (TSA) server. Proves your document existed at a
specific point in time. No certificate required.
</p>
<div
class="bg-blue-900/30 border border-blue-700 rounded-lg p-3 mb-6 flex items-start gap-3"
>
<i
data-lucide="wifi"
class="w-5 h-5 text-blue-400 flex-shrink-0 mt-0.5"
></i>
<div class="text-sm">
<p class="text-blue-300 font-medium">
Internet connection required
</p>
<p class="text-blue-400/80 mt-1">
Timestamping requires contacting the selected TSA server to obtain
a trusted timestamp token.
</p>
</div>
</div>
<div
id="drop-zone"
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 class="flex flex-col items-center justify-center pt-5 pb-6">
<i
data-lucide="upload-cloud"
class="w-10 h-10 mb-3 text-gray-400"
></i>
<p class="mb-2 text-sm text-gray-400">
<span class="font-semibold" data-i18n="upload.clickToSelect"
>Click to select a file</span
>
<span data-i18n="upload.orDragAndDrop">or drag and drop</span>
</p>
<p
class="text-xs text-gray-500"
data-i18n="upload.hints.pdfDocuments"
>
PDF Documents
</p>
<p class="text-xs text-gray-500" data-i18n="upload.filesNeverLeave">
Your files never leave your device.
</p>
</div>
<input
id="file-input"
type="file"
class="absolute top-0 left-0 w-full h-full opacity-0 cursor-pointer"
accept="application/pdf"
/>
</div>
<div id="file-display-area" class="mt-4 space-y-2"></div>
<div id="tsa-section" class="hidden mt-6 space-y-4">
<h3
class="text-lg font-semibold text-white"
data-i18n="tools:timestampPdf.tsaSectionTitle"
>
Timestamp Server (TSA)
</h3>
<div>
<label
for="tsa-preset"
class="block text-sm font-medium text-gray-300 mb-1"
data-i18n="tools:timestampPdf.selectTsa"
>
Select a TSA server
</label>
<select
id="tsa-preset"
class="w-full bg-gray-700 border border-gray-600 text-gray-200 rounded-lg px-3 py-2 focus:ring-2 focus:ring-indigo-500 focus:border-transparent"
></select>
</div>
</div>
<button
id="process-btn"
class="hidden w-full mt-6 bg-indigo-600 hover:bg-indigo-700 disabled:bg-gray-600 disabled:cursor-not-allowed text-white font-semibold py-3 px-4 rounded-lg transition-colors duration-200 flex items-center justify-center gap-2"
disabled
>
<i data-lucide="clock" class="w-5 h-5"></i>
<span data-i18n="tools:timestampPdf.applyTimestamp"
>Apply Timestamp</span
>
</button>
</div>
</div>
<div
id="loader-overlay"
class="hidden fixed inset-0 bg-black/60 z-50 flex items-center justify-center"
>
<div class="text-center">
<div
class="inline-block animate-spin rounded-full h-12 w-12 border-4 border-indigo-400 border-t-transparent mb-4"
></div>
<p id="loader-text" class="text-white text-lg font-medium">
Processing...
</p>
</div>
</div>
<div
id="alert-overlay"
class="hidden fixed inset-0 bg-black/60 z-50 flex items-center justify-center"
>
<div
class="bg-gray-800 rounded-xl shadow-xl p-6 max-w-md w-full mx-4 border border-gray-700"
>
<h3
id="alert-title"
class="text-xl font-bold text-white mb-2"
data-i18n="alert.title"
>
Alert
</h3>
<p id="alert-message" class="text-gray-300 mb-6"></p>
<button
id="alert-ok"
class="w-full bg-indigo-600 hover:bg-indigo-700 text-white font-semibold py-2 px-4 rounded-lg transition-colors duration-200"
>
OK
</button>
</div>
</div>
<section class="max-w-4xl mx-auto px-4 py-12">
<h2
class="text-2xl md:text-3xl font-bold text-white mb-8 text-center"
data-i18n="howItWorks.title"
>
How It Works
</h2>
<div class="space-y-6">
<div class="flex items-start gap-4">
<div
class="flex-shrink-0 w-10 h-10 bg-indigo-600 rounded-full flex items-center justify-center text-white font-bold"
>
1
</div>
<div class="flex-1">
<h3 class="text-lg font-semibold text-white mb-1">Upload PDF</h3>
<p class="text-gray-400">
Select the PDF document you want to timestamp
</p>
</div>
</div>
<div class="flex items-start gap-4">
<div
class="flex-shrink-0 w-10 h-10 bg-indigo-600 rounded-full flex items-center justify-center text-white font-bold"
>
2
</div>
<div class="flex-1">
<h3 class="text-lg font-semibold text-white mb-1">
Choose TSA Server
</h3>
<p class="text-gray-400">Select one of the trusted TSA servers</p>
</div>
</div>
<div class="flex items-start gap-4">
<div
class="flex-shrink-0 w-10 h-10 bg-indigo-600 rounded-full flex items-center justify-center text-white font-bold"
>
3
</div>
<div class="flex-1">
<h3 class="text-lg font-semibold text-white mb-1">
Timestamp & Download
</h3>
<p class="text-gray-400">
Apply the RFC 3161 timestamp and download your timestamped PDF
</p>
</div>
</div>
</div>
</section>
<section class="max-w-6xl mx-auto px-4 py-12">
<h2
class="text-2xl md:text-3xl font-bold text-white mb-6 text-center"
data-i18n="relatedTools.title"
>
Related PDF Tools
</h2>
<div class="grid grid-cols-2 md:grid-cols-3 lg:grid-cols-5 gap-4">
<a
href="digital-sign-pdf.html"
class="block bg-gray-800 p-4 rounded-lg hover:bg-gray-700 transition-colors border border-gray-700"
>
<h3 class="text-white font-semibold mb-1">Digital Signature</h3>
<p class="text-gray-400 text-sm">Sign with X.509 certificate</p>
</a>
<a
href="validate-signature-pdf.html"
class="block bg-gray-800 p-4 rounded-lg hover:bg-gray-700 transition-colors border border-gray-700"
>
<h3 class="text-white font-semibold mb-1">Validate Signature</h3>
<p class="text-gray-400 text-sm">Verify digital signatures</p>
</a>
<a
href="encrypt-pdf.html"
class="block bg-gray-800 p-4 rounded-lg hover:bg-gray-700 transition-colors border border-gray-700"
>
<h3 class="text-white font-semibold mb-1">Encrypt PDF</h3>
<p class="text-gray-400 text-sm">Password protect your PDF</p>
</a>
<a
href="flatten-pdf.html"
class="block bg-gray-800 p-4 rounded-lg hover:bg-gray-700 transition-colors border border-gray-700"
>
<h3 class="text-white font-semibold mb-1">Flatten PDF</h3>
<p class="text-gray-400 text-sm">Make annotations permanent</p>
</a>
<a
href="sanitize-pdf.html"
class="block bg-gray-800 p-4 rounded-lg hover:bg-gray-700 transition-colors border border-gray-700"
>
<h3 class="text-white font-semibold mb-1">Sanitize PDF</h3>
<p class="text-gray-400 text-sm">Remove hidden data</p>
</a>
</div>
</section>
<section class="max-w-4xl mx-auto px-4 py-12">
<h2
class="text-2xl md:text-3xl font-bold text-white mb-6 text-center"
data-i18n="faq.sectionTitle"
>
Frequently Asked Questions
</h2>
<div class="space-y-4">
<details class="bg-gray-800 p-5 rounded-lg border border-gray-700">
<summary
class="cursor-pointer font-semibold text-white flex items-center justify-between"
>
What is a document timestamp?
<i data-lucide="chevron-down" class="w-5 h-5"></i>
</summary>
<p class="mt-3 text-gray-400">
A document timestamp (RFC 3161) is a cryptographic proof that your
PDF existed at a specific point in time. A trusted Time Stamp
Authority (TSA) server signs a hash of your document along with the
current time, creating a tamper-evident timestamp embedded in the
PDF.
</p>
</details>
<details class="bg-gray-800 p-5 rounded-lg border border-gray-700">
<summary
class="cursor-pointer font-semibold text-white flex items-center justify-between"
>
Do I need a certificate?
<i data-lucide="chevron-down" class="w-5 h-5"></i>
</summary>
<p class="mt-3 text-gray-400">
No. Unlike a digital signature, a document timestamp does not
require a personal certificate. The TSA server provides the trusted
timestamp using its own certificate.
</p>
</details>
<details class="bg-gray-800 p-5 rounded-lg border border-gray-700">
<summary
class="cursor-pointer font-semibold text-white flex items-center justify-between"
>
Is my document sent to the TSA server?
<i data-lucide="chevron-down" class="w-5 h-5"></i>
</summary>
<p class="mt-3 text-gray-400">
No. Only a cryptographic hash (SHA-256) of your document is sent to
the TSA server. Your actual PDF content never leaves your browser.
</p>
</details>
<details class="bg-gray-800 p-5 rounded-lg border border-gray-700">
<summary
class="cursor-pointer font-semibold text-white flex items-center justify-between"
>
Will the timestamp be valid in PDF readers?
<i data-lucide="chevron-down" class="w-5 h-5"></i>
</summary>
<p class="mt-3 text-gray-400">
Yes. The tool creates a standard RFC 3161 document timestamp
(ETSI.RFC3161 SubFilter) that is recognized by Adobe Acrobat and
other major PDF viewers.
</p>
</details>
</div>
</section>
{{> footer }}
<script type="module" src="/src/js/utils/lucide-init.ts"></script>
<script type="module" src="/src/js/utils/full-width.ts"></script>
<script type="module" src="/src/js/utils/simple-mode-footer.ts"></script>
<script type="module" src="/src/version.ts"></script>
<script type="module" src="/src/js/logic/timestamp-pdf-page.ts"></script>
<script type="module" src="/src/js/mobileMenu.ts"></script>
<script type="module" src="/src/js/main.ts"></script>
<script type="application/ld+json">
{
"@context": "https://schema.org",
"@type": "SoftwareApplication",
"name": "Timestamp PDF - BentoPDF",
"applicationCategory": "PDF Tool",
"operatingSystem": "Any - Web Browser",
"offers": {
"@type": "Offer",
"price": "0",
"priceCurrency": "USD"
},
"aggregateRating": {
"@type": "AggregateRating",
"ratingValue": "4.9",
"ratingCount": "1850"
}
}
</script>
<script type="application/ld+json">
{
"@context": "https://schema.org",
"@type": "HowTo",
"name": "How to add a timestamp to PDF",
"description": "Learn how to add an RFC 3161 document timestamp to PDF using BentoPDF",
"step": [
{
"@type": "HowToStep",
"position": 1,
"name": "Upload PDF",
"text": "Select the PDF document you want to timestamp"
},
{
"@type": "HowToStep",
"position": 2,
"name": "Choose TSA Server",
"text": "Select one of the trusted TSA servers"
},
{
"@type": "HowToStep",
"position": 3,
"name": "Timestamp & Download",
"text": "Apply the RFC 3161 timestamp and download your timestamped PDF"
}
]
}
</script>
<script type="application/ld+json">
{
"@context": "https://schema.org",
"@type": "BreadcrumbList",
"itemListElement": [
{
"@type": "ListItem",
"position": 1,
"name": "Home",
"item": "https://www.bentopdf.com"
},
{
"@type": "ListItem",
"position": 2,
"name": "Timestamp PDF",
"item": "https://www.bentopdf.com/timestamp-pdf"
}
]
}
</script>
</body>
</html>