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PDF Tools

Split & organize

Add watermark

Add a text watermark such as CONFIDENTIAL or DRAFT to every page of a PDF, or only the pages you choose. Pick the size, colour and strength. Your file is never uploaded.

or drop it here

Processed on this device. Nothing is uploaded.

How it works

  1. 1Add your PDF.
  2. 2Type the watermark text, or pick one, and choose its look.
  3. 3Download the watermarked PDF.

Your file stays on this device

PDF Tools does the work inside your browser. Your file isn't uploaded or stored, and the site is technically blocked from sending it anywhere.

See how to check it yourself

Good to know

  • The watermark is added on top of the page at the strength you choose, so keep it Light or Medium to leave the text readable.
  • Latin, Cyrillic and Greek letters, numbers and common symbols are supported.
  • A watermark discourages copying but is not security. Use Add password to lock a file.

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