PDFMaxAdd a Stamp to PDF Online
Need to mark a PDF as Approved, Confidential, Draft, or Paid? PDFMax lets you add a text or image stamp to any PDF for free, right in your browser. Upload your file, type your stamp text or upload a stamp image, then drop it exactly where you want on the page and adjust the position. There's no signup, no software to install, and no watermark on your result. It works the same on a phone, tablet, or computer. In a few clicks you get a clean, stamped PDF ready to download and share.
Stamp PDF →100% freeNo signupWorks in your browser
Why PDFMax
- Add a text stamp (like Approved, Confidential, or Draft) or upload your own image or logo stamp
- Place the stamp at any position on the page and fine-tune where it sits
- 100% free with no signup, no install, and no watermark added to your file
- Runs in your browser on mobile and desktop — your PDF keeps its original quality
How to add stamp to PDF
- Upload your PDFOpen the Stamp PDF tool and drag in your file or click to select the PDF you want to stamp.
- Choose a text or image stampType your stamp text, such as Approved or Confidential, or upload an image of a stamp, seal, or logo.
- Position the stampDrag the stamp to the exact spot on the page and adjust its placement until it looks right.
- Download the stamped PDFApply the stamp and download your finished PDF — no signup or watermark required.
Frequently asked questions
Is it free to add a stamp to a PDF?
Yes. Stamping a PDF on PDFMax is completely free. There's no signup, no subscription, and no watermark added to your file.
Is it safe and private?
Yes. The tool runs in your browser and is designed for one-off, in-and-out use — you upload a file, stamp it, and download the result without creating an account.
Are there any limits?
There's no signup and no daily file cap to worry about. You can stamp PDF after PDF, one file at a time, as often as you need.
Does it work on mobile?
Yes. It works in any modern browser on a phone, tablet, or computer — there's nothing to install.
Will stamping reduce the quality of my PDF?
No. The stamp is placed on top of your page and the rest of the document keeps its original quality, text, and layout.
Can I add my own stamp image instead of text?
Yes. You can upload an image of a stamp, seal, signature, or logo, or you can simply type a text stamp like Approved or Confidential.