Free tool
PDF watermark
Add a diagonal text watermark across each page.
Add your file
Get your result
About this free tool
PDF watermark — free online tool
Add a diagonal text watermark across each page. PDF watermark is a free online tool from Capyboat — open it in any browser on your phone or computer, no sign-up needed.
It runs entirely on your device, so whatever you add stays private and results appear instantly.
Great for
- Documents
- Forms
- Printing
Highlights
- Adjustable settings: watermark text
- Instant results in your browser
- Free, no account, no watermark
How to use PDF watermark
- 1Add your PDF.
- 2Choose your settings (watermark text).
- 3Press “Run PDF watermark”, check the preview and download the result.
Questions about PDF watermark
Is PDF watermark free to use?
Yes. PDF watermark on Capyboat is completely free, with no sign-up, no watermark and no daily limit.
Are my files safe?
Yes. PDF watermark runs entirely inside your browser, so your files are never uploaded to any server.
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