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PDF tools

Watermark PDF
stamp every page

Stamp CONFIDENTIAL, DRAFT or your own text on every page.

How to use Watermark PDF

  1. 01Add PDFsChoose files or drop them on the page.
  2. 02Done on your deviceNothing is uploaded. Adjust settings if you like.
  3. 03DownloadSave the result, or everything as one ZIP.
File character stamping a page

Mark it as yours.

A large diagonal stamp, a tiled pattern, or a small line at the bottom.

Guides

How to send a copy of your ID card safelyBefore you send your ID card to a bank, landlord or employer: hide what they don't need, add a watermark, and put front and back on one page.

At a glance

Price
Free. No sign-up, no watermark.
Privacy
Files are processed in your browser and never uploaded.
Accepts
PDF
You get
PDF
Batch
Convert many files at once and download them as a ZIP
Works in
Chrome, Edge, Firefox and Safari, on phones and computers
Offline
Keeps working without internet once the page has loaded

Questions

Is my PDF uploaded?

No. Everything happens in your browser, so your PDF never leaves your device.

Is there a size limit?

Only your device’s memory. Even long PDFs take seconds on a computer.