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🏅 PDF Certification Tool

Certify Your PDF
Officially

Add a professional certification stamp or watermark to any PDF. Preview your stamp live before paying.

📄

Drop your PDF here

or click to browse — up to 50MB

💧Watermark
🔲Stamp Box
📌Corner

🏅 Add Certification Stamp

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$1.29
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How It Works

📤

Upload

Select the PDF to certify

👁️

Preview

See your stamp live before paying

💳

Pay $1.29

One-time, no subscription ever

📥

Download

Your certified PDF, instantly

Why Use PDFCertify?

🛡️

Prove Document Integrity

A cryptographic certificate proves your PDF hasn't been altered since you signed it — any tampering breaks the seal instantly.

✅

Industry Recognized

Certified PDFs display a blue ribbon in Adobe Acrobat and are accepted for contracts, compliance submissions, and audits.

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Validate Existing PDFs

Upload any signed PDF and instantly verify whether its certificate is valid and who signed the document.

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Granular Permissions

Allow no changes, form-filling only, or form-filling plus comments — you control exactly what recipients can do.

Frequently Asked Questions

Certifying a PDF adds a digital signature that locks the document against unauthorized changes. It proves the file hasn't been tampered with since it was certified and identifies who certified it.
No. Certification is a technical process that uses cryptographic signatures to prove document integrity and origin. Notarization is a legal process performed by a commissioned notary public. Certified PDFs are widely accepted for business and compliance purposes without notarization.
You can choose to allow no changes at all, allow only form field filling, or allow form filling and annotations. Any change beyond what you explicitly permit will break the certificate and alert readers that the document was modified.
Yes. Certified PDFs comply with the ISO PDF standard and display a blue ribbon or certificate badge in Adobe Acrobat Reader and all other compliant PDF viewers.
Yes. Upload any signed or certified PDF and PDFCertify will verify the certificate chain and report whether the document is intact, who signed it, and when.
No. PDFCertify provides a trusted certificate for signing. You can also upload your own PKCS#12 (.p12 or .pfx) certificate if your organization requires a specific certificate authority.
Yes. All uploads use HTTPS encryption and your documents are automatically purged from our servers within one hour of processing. We never read or retain your content.

Who Uses PDFCertify?

Legal professionals certify contracts and settlement agreements to prevent post-signing alterations. Finance teams certify audit reports and financial statements for regulatory submissions. Government agencies certify permit documents and official correspondence for public records. HR departments certify offer letters and NDAs before sending to candidates. Software companies certify license agreements and terms of service. If you've ever needed to prove that a document is exactly as you sent it — or verify that a document you received hasn't been changed — PDFCertify gives you that assurance in seconds.