Stamp a text watermark over every page of your PDF.
Stamp a text watermark, such as DRAFT or CONFIDENTIAL, over every page of your PDF. You control the size, color and opacity.
Is this tool really free?
Yes. Every tool on this site is free, with no account or sign-up required.
Are my files uploaded to your servers?
No. All processing happens in your browser, so your files never leave your device.
Can I remove the watermark later?
The watermark becomes part of the downloaded PDF, so keep your original file if you may need a clean copy.
Watermark stamps a text watermark, such as DRAFT or CONFIDENTIAL, over every page of your PDF. You type the text and control the size, color and opacity, then download the stamped file. Everything runs in your browser.
Opacity is the key control. A light mark shows ownership without hiding the content underneath. Size and color set how prominent the mark is. Check the preview at full size before you download.
A watermark marks a document, but it does not stop copying or reading. For real access control, use Protect with a password, which encrypts the file with AES-256.
Can I use my own words?
Yes. Type any watermark text.
Can I change how strong it looks?
Yes. Size, color and opacity are adjustable.
Does it change the original text?
No. It only stamps over the pages.
Read our step by step guide: How to Add a Watermark to a PDF.