Watermark PDF
Stamp custom text diagonally on every page. Set your own text and opacity.
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How to use Watermark PDF
- 1Add a PDF file.
- 2Enter your watermark text and choose its opacity.
- 3Apply the watermark and download the PDF.
Why use this tool?
- Free online PDF tool with no registration.
- Works in a modern browser on desktop, tablet, and mobile.
- No watermark added to your finished file.
Privacy note
This tool runs in your browser, so your PDF stays on your device while the file is processed. No account is needed and no watermark is added.
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