444 lines
15 KiB
HTML
444 lines
15 KiB
HTML
<!doctype html>
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<html lang="en">
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<head>
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<meta charset="UTF-8" />
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<meta name="viewport" content="width=device-width, initial-scale=1.0" />
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<title>
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Validate PDF Signature Online Free - Verify Digital Signatures | BentoPDF
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</title>
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<meta
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name="title"
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content="Validate PDF Signature Online Free - Verify Digital Signatures | BentoPDF"
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/>
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<meta
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name="description"
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content="★ Verify PDF digital signatures online free ★ Check certificate validity ★ View signer details ★ No signup ★ Privacy-first ★ Works in browser"
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/>
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<meta
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name="keywords"
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content="validate pdf signature, verify digital signature, check pdf certificate, signature verification, pdf security"
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/>
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<meta name="author" content="BentoPDF" />
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<meta
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name="robots"
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content="index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1"
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/>
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<link
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rel="canonical"
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href="https://www.bentopdf.com/validate-signature-pdf.html"
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/>
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<meta property="og:type" content="website" />
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<meta
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property="og:url"
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content="https://www.bentopdf.com/validate-signature-pdf"
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/>
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<meta
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property="og:title"
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content="Validate PDF Signature Online Free - Verify Digital Signatures | BentoPDF"
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/>
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<meta
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property="og:description"
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content="★ Verify PDF digital signatures online free ★ Check certificate validity ★ View signer details ★ Privacy-first"
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/>
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<meta
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property="og:image"
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content="https://www.bentopdf.com/images/og-validate-signature-pdf.png"
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/>
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<meta property="og:image:width" content="1200" />
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<meta property="og:image:height" content="630" />
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<meta property="og:site_name" content="BentoPDF" />
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<meta name="twitter:card" content="summary_large_image" />
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<meta
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name="twitter:url"
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content="https://www.bentopdf.com/validate-signature-pdf"
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/>
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<meta name="twitter:title" content="Validate PDF Signature Free" />
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<meta
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name="twitter:description"
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content="★ Verify PDF digital signatures online free ★ Check certificate validity ★ Privacy-first"
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/>
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<meta
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name="twitter:image"
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content="https://www.bentopdf.com/images/twitter-validate-signature-pdf.png"
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/>
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<meta name="twitter:site" content="@BentoPDF" />
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<meta name="mobile-web-app-capable" content="yes" />
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<meta name="apple-mobile-web-app-capable" content="yes" />
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<meta name="apple-mobile-web-app-title" content="Validate Signature" />
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<link href="/src/css/styles.css" rel="stylesheet" />
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<link rel="manifest" href="/site.webmanifest" />
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<link rel="icon" type="image/svg+xml" href="/images/favicon.svg" />
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<link
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rel="icon"
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type="image/png"
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sizes="192x192"
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href="/images/favicon-192x192.png"
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/>
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<link
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rel="icon"
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type="image/png"
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sizes="512x512"
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href="/images/favicon-512x512.png"
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/>
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<link
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rel="apple-touch-icon"
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sizes="180x180"
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href="/images/apple-touch-icon.png"
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/>
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<link rel="icon" href="/favicon.ico" sizes="32x32" />
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</head>
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<body class="antialiased bg-gray-900">
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{{> navbar }}
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<div
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id="uploader"
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class="min-h-screen flex flex-col items-center justify-start py-12 p-4 bg-gray-900"
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>
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<div
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id="tool-uploader"
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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"
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>
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<button
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id="back-to-tools"
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class="flex items-center gap-2 text-indigo-400 hover:text-indigo-300 mb-6 font-semibold"
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>
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<i data-lucide="arrow-left" class="cursor-pointer"></i>
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<span class="cursor-pointer" data-i18n="tools.backToTools">
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Back to Tools
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</span>
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</button>
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<h1
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class="text-2xl font-bold text-white mb-2"
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data-i18n="tools:validateSignaturePdf.name"
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>
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Validate PDF Signature
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</h1>
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<p
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class="text-gray-400 mb-6"
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data-i18n="tools:validateSignaturePdf.subtitle"
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>
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Verify digital signatures in your PDF files. Check certificate
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validity, view signer details, and confirm document integrity. All
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processing happens in your browser.
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</p>
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<div
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id="drop-zone"
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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"
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>
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<div class="flex flex-col items-center justify-center pt-5 pb-6">
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<i
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data-lucide="cloud-upload"
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class="w-10 h-10 mb-3 text-gray-400"
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></i>
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<p class="mb-2 text-sm text-gray-400">
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<span class="font-semibold" data-i18n="upload.clickToSelect"
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>Click to select a file</span
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>
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<span data-i18n="upload.orDragAndDrop">or drag and drop</span>
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</p>
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<p
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class="text-xs text-gray-500"
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data-i18n="upload.hints.pdfDocuments"
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>
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PDF Documents
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</p>
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<p class="text-xs text-gray-500" data-i18n="upload.filesNeverLeave">
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Your files never leave your device.
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</p>
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</div>
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<input
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id="file-input"
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type="file"
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class="absolute top-0 left-0 w-full h-full opacity-0 cursor-pointer"
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accept="application/pdf"
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/>
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</div>
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<div id="file-display-area" class="mt-4 space-y-2"></div>
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<div id="custom-cert-section" class="hidden mt-6 space-y-3">
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<div class="flex items-center justify-between">
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<h2 class="text-sm font-semibold text-gray-300">
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Custom Certificate File X.509 (Optional)
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</h2>
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</div>
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<p class="text-xs text-gray-500">
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Upload a trusted X.509 certificate to validate against a custom
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trust source.
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</p>
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<div
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id="cert-drop-zone"
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class="relative flex flex-col items-center justify-center w-full h-24 border-2 border-dashed border-gray-600 rounded-xl cursor-pointer bg-gray-900 hover:bg-gray-700 transition-colors duration-300"
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>
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<div class="flex flex-col items-center justify-center py-2">
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<i data-lucide="shield" class="w-6 h-6 mb-1 text-gray-400"></i>
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<p class="text-xs text-gray-400">
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Upload certificate (.pem, .crt, .cer)
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</p>
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</div>
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<input
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id="cert-input"
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type="file"
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class="absolute top-0 left-0 w-full h-full opacity-0 cursor-pointer"
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accept=".pem,.crt,.cer,.der"
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/>
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</div>
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<div id="cert-display-area" class="space-y-2"></div>
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</div>
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<div id="results-section" class="hidden mt-6">
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<h2 class="text-lg font-semibold text-white mb-4">
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Signature Validation Results
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</h2>
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<div id="results-container"></div>
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</div>
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</div>
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</div>
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<div
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id="loader-modal"
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class="hidden fixed inset-0 bg-black bg-opacity-75 flex items-center justify-center z-50"
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>
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<div
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class="bg-gray-800 p-8 rounded-lg flex flex-col items-center gap-4 border border-gray-700 shadow-xl"
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>
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<div class="solid-spinner"></div>
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<p id="loader-text" class="text-white text-lg font-medium">
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Processing...
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</p>
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</div>
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</div>
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<div
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id="alert-modal"
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class="fixed inset-0 bg-gray-900 bg-opacity-90 flex items-center justify-center z-50 hidden"
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>
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<div
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class="bg-gray-800 rounded-lg shadow-xl p-6 max-w-sm w-full border border-gray-700"
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>
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<h3
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id="alert-title"
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class="text-xl font-bold text-white mb-2"
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data-i18n="alert.title"
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>
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Alert
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</h3>
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<p id="alert-message" class="text-gray-300 mb-6"></p>
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<button
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id="alert-ok"
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class="w-full bg-indigo-600 hover:bg-indigo-700 text-white font-semibold py-2 px-4 rounded-lg transition-colors duration-200"
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>
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OK
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</button>
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</div>
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</div>
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<!-- How It Works Section -->
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<section class="max-w-4xl mx-auto px-4 py-12">
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<h2
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class="text-2xl md:text-3xl font-bold text-white mb-8 text-center"
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data-i18n="howItWorks.title"
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>
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How It Works
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</h2>
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<div class="space-y-6">
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<div class="flex items-start gap-4">
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<div
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class="flex-shrink-0 w-10 h-10 bg-indigo-600 rounded-full flex items-center justify-center text-white font-bold"
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>
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1
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</div>
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<div class="flex-1">
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<h3 class="text-lg font-semibold text-white mb-1">
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Upload Your PDF
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</h3>
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<p class="text-gray-400">
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Select a digitally signed PDF file from your device
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</p>
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</div>
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</div>
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<div class="flex items-start gap-4">
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<div
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class="flex-shrink-0 w-10 h-10 bg-indigo-600 rounded-full flex items-center justify-center text-white font-bold"
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>
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2
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</div>
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<div class="flex-1">
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<h3 class="text-lg font-semibold text-white mb-1">
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Automatic Analysis
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</h3>
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<p class="text-gray-400">
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The tool extracts and parses all digital signatures in the
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document
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</p>
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</div>
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</div>
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<div class="flex items-start gap-4">
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<div
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class="flex-shrink-0 w-10 h-10 bg-indigo-600 rounded-full flex items-center justify-center text-white font-bold"
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>
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3
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</div>
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<div class="flex-1">
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<h3 class="text-lg font-semibold text-white mb-1">View Results</h3>
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<p class="text-gray-400">
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See signer information, certificate validity, and signature status
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</p>
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</div>
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</div>
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</div>
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</section>
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<!-- Related Tools Section -->
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<section class="max-w-6xl mx-auto px-4 py-12">
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<h2
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class="text-2xl md:text-3xl font-bold text-white mb-6 text-center"
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data-i18n="relatedTools.title"
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>
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Related PDF Tools
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</h2>
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<div class="grid grid-cols-2 md:grid-cols-3 lg:grid-cols-6 gap-4">
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<a
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href="digital-sign-pdf.html"
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class="block bg-gray-800 p-4 rounded-lg hover:bg-gray-700 transition-colors border border-gray-700"
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>
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<h3 class="text-white font-semibold mb-1">Digital Signature</h3>
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<p class="text-gray-400 text-sm">Add cryptographic signature</p>
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</a>
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<a
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href="encrypt-pdf.html"
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class="block bg-gray-800 p-4 rounded-lg hover:bg-gray-700 transition-colors border border-gray-700"
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>
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<h3 class="text-white font-semibold mb-1">Encrypt PDF</h3>
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<p class="text-gray-400 text-sm">Password protect PDF</p>
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</a>
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<a
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href="view-metadata.html"
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class="block bg-gray-800 p-4 rounded-lg hover:bg-gray-700 transition-colors border border-gray-700"
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>
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<h3 class="text-white font-semibold mb-1">View Metadata</h3>
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<p class="text-gray-400 text-sm">Inspect PDF properties</p>
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</a>
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</div>
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</section>
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<!-- FAQ Section -->
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<section class="max-w-4xl mx-auto px-4 py-12">
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<h2
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class="text-2xl md:text-3xl font-bold text-white mb-6 text-center"
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data-i18n="faq.sectionTitle"
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>
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Frequently Asked Questions
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</h2>
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<div class="space-y-4">
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<details class="bg-gray-800 p-5 rounded-lg border border-gray-700">
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<summary
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class="cursor-pointer font-semibold text-white flex items-center justify-between"
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>
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What types of signatures can be validated?
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<i data-lucide="chevron-down" class="w-5 h-5"></i>
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</summary>
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<p class="mt-3 text-gray-400">
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This tool validates PKCS#7 digital signatures created with X.509
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certificates, the standard format used by most PDF signing tools and
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certificate authorities.
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</p>
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</details>
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<details class="bg-gray-800 p-5 rounded-lg border border-gray-700">
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<summary
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class="cursor-pointer font-semibold text-white flex items-center justify-between"
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>
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What does "Self-Signed Certificate" mean?
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<i data-lucide="chevron-down" class="w-5 h-5"></i>
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</summary>
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<p class="mt-3 text-gray-400">
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A self-signed certificate is one where the issuer and subject are
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the same. While the signature is technically valid, it means the
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certificate wasn't issued by a trusted Certificate Authority (CA).
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</p>
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</details>
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<details class="bg-gray-800 p-5 rounded-lg border border-gray-700">
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<summary
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class="cursor-pointer font-semibold text-white flex items-center justify-between"
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>
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Is my PDF uploaded to a server?
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<i data-lucide="chevron-down" class="w-5 h-5"></i>
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</summary>
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<p class="mt-3 text-gray-400">
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No, all processing happens entirely in your browser. Your PDF files
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never leave your device, ensuring complete privacy and security.
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</p>
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</details>
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</div>
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</section>
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{{> footer }}
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<script type="module" src="/src/js/utils/lucide-init.ts"></script>
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<script type="module" src="/src/js/utils/full-width.ts"></script>
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<script type="module" src="/src/js/utils/simple-mode-footer.ts"></script>
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<script type="module" src="/src/version.ts"></script>
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<script
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type="module"
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src="/src/js/logic/validate-signature-pdf-page.ts"
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></script>
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<script type="module" src="/src/js/mobileMenu.ts"></script>
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<script type="module" src="/src/js/main.ts"></script>
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<!-- JSON-LD Structured Data -->
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<script type="application/ld+json">
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{
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"@context": "https://schema.org",
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"@type": "SoftwareApplication",
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"name": "Validate PDF Signature - BentoPDF",
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"applicationCategory": "PDF Signature Verification Tool",
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"operatingSystem": "Any - Web Browser",
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"offers": {
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"@type": "Offer",
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"price": "0",
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"priceCurrency": "USD"
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},
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"featureList": [
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"Verify PDF digital signatures",
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"View certificate details",
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"Check signature validity",
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"Extract signer information",
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"Client-side processing"
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]
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}
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</script>
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<script type="application/ld+json">
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{
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|
"@context": "https://schema.org",
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"@type": "BreadcrumbList",
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"itemListElement": [
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{
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|
"@type": "ListItem",
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"position": 1,
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"name": "Home",
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|
"item": "https://www.bentopdf.com"
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},
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{
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|
"@type": "ListItem",
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"position": 2,
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"name": "Validate PDF Signature",
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"item": "https://www.bentopdf.com/validate-signature-pdf"
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}
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]
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}
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</script>
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</body>
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</html>
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