Runeforge

Watermark PDF

Add a diagonal text watermark to every page.

Runs in your browser: data never leaves your device. Free, no sign-up. Also known as: confidential stamp, draft.

How to use Watermark PDF

  1. Paste your input, open a file, or press Sample to see an example.
  2. Pick a mode or adjust the options; results update instantly.
  3. Use Copy or Download to take the result with you.

Frequently asked questions

What does the Watermark PDF do?
Add a diagonal text watermark to every page.
Is the Watermark PDF free?
Yes. It is completely free, with no sign-up, no watermark and no usage limits.
Is my data safe?
Yes. This tool runs entirely in your web browser. Your text and files are never uploaded to a server, stored or logged.
Does it work on mobile?
Yes. It works in any modern browser on Windows, macOS, Linux, Android and iOS, with nothing to install.
What other pdf & documents tools are there?
Runeforge has 12 pdf & documents tools in Scroll Archive, plus 93 more tools across other categories.

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