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TuckPDF

Watermark PDF

Stamp a text across every page, like DRAFT, COPY or "Only for the bank", so a copy can’t be reused for something else.

How to use it

  1. 1Choose a PDF.
  2. 2Type the text and pick size, color and how see-through it is.
  3. 3Press Add watermark, check the preview and download.

Your files stay on your device

Nothing is uploaded. Your browser opens, changes and saves the file on your phone or computer. We don't keep a copy, because we never get one. Close the tab and it's gone.

How we keep it private

Examples

Sending an ID copy

Input

passport.pdf, "Only for the Acme rental application"

Output

passport-watermarked.pdf

Why watermark an ID copy

A copy of your passport or ID with a line like "Only for the rental application, 2026" is much harder to reuse for anything else if it leaks.

Frequently asked questions

Are my files uploaded?

No. Everything runs in your browser, so your files stay on your device. Nothing is uploaded. That matters for IDs and contracts.

Is TuckPDF free?

Yes. TuckPDF is free to use and needs no account.