Timestamp PDF
Add a trusted timestamp to your PDF
Drop your files here or
Accepted: .pdf · Files stay in your browser
Working…
Free · No signup · No watermarks · Files never leave your browser
How to use Timestamp PDF
- Upload your file using the drop zone above.
- Adjust any options for the timestamp pdf task.
- Click Process and download your result instantly.
Why use PDFzelo Timestamp PDF?
Add a trusted timestamp to your PDF. PDFzelo processes everything locally in your browser — no uploads, no waiting rooms, no accounts. It works on Windows, Mac, Linux, Chromebook, Android and iPhone.
Frequently asked questions
Why timestamp?
Proves the document existed at a certain time — useful for legal evidence.