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Add a watermark to a PDF

Mark copies of your ID or documents so they can't be reused for anything else. Your file never leaves your device. The tool runs entirely in your browser — nothing is uploaded, stored, or seen by us.

Strength
Angle
Free Android app

Edit PDFs on your phone, offline.

FramePDF combines, reorders, rotates and removes pages directly on your Android phone. Changes stack up on a copy, so your original is never touched — and nothing is uploaded.

  • Combine, reorder, rotate and remove pages
  • Undo or start over at any time
  • Works with no internet connection
Get FramePDF on Google PlayAndroid · Free · No account · Works offline

How to add a watermark to a PDF

  1. 1Drop your PDF into the box.
  2. 2Type your watermark text and choose opacity.
  3. 3Press Add watermark and download.

Watermark PDF: key facts

Price
Free — no sign-up, no watermark
Privacy
Runs in your browser; files are never uploaded
Output
PDF with a text watermark on every page
Options
Custom text, diagonal or horizontal, adjustable opacity
Works on
Any modern browser — Android, iPhone, Windows, Mac
Offline option
FramePDF Android app (free)

Protect copies of your ID

When you share an Aadhaar, PAN or passport copy, add a watermark that says who it's for and the date — for example “Submitted to XYZ Bank for KYC, 23 Oct 2026”. If the copy leaks, it can't easily be reused elsewhere.

Frequently asked questions

More free tools

Add page numbersNumber the pages of a PDF: choose position, style (1, Page 1, 1 of 10) and starting number.Compress PDFMake a PDF smaller for email, WhatsApp or form uploads.PDF to black & whiteTurn a colour PDF into grayscale for cheaper printing or forms that ask for black-and-white scans.

Learn more

Are online PDF tools safe for ID documents?Most online PDF tools upload your file to a server.