Add an official stamp to a PDF online
Add an official stamp to a PDF online without any software: design your stamp or company seal, then apply it onto your PDF and download the stamped file. Each application can carry a serial number and a public QR verification link, sealed with a tamper-evident SHA-256 fingerprint.
When to use a PDF Stamp
- Stamping invoices and contracts
- Approval and certified-copy marks
- Company seals on PDFs
- Official document stamping
How to add a PDF Stamp
- Open the stamp tool and pick the PDF Stamp preset.
- Set the color, position and optional date or serial number.
- Download a transparent PNG or apply it to your PDF.
Frequently asked questions
Is the pdf stamp free?
Yes - create, edit and download a pdf stamp for free, with no signup to try. Verified, serialized versions are included on Business plans.
Can I add a date to the pdf stamp?
Yes. Toggle the date on and it's placed inside the stamp; you can also add a serial number, change the color, or add your logo.
What format do I get?
A transparent PNG you can drop anywhere, or apply the stamp straight onto a PDF inside PDF Verified.
How do I add an official stamp to a PDF?
Design your stamp in the PDF Verified stamp maker, upload your PDF, place the stamp where you want it, and download the stamped PDF. You can also seal it with a tamper-evident fingerprint and public QR verification.