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Add Watermark to PDF

Drop your PDF here or browse

Supports PDF files

▸About this tool

Stamp a custom text watermark across every page of your PDF. Control opacity, rotation, font size, and color.

▸Privacy and details

Your files never leave your device.

Fast browser processing with no account required.

Optimized for desktop and mobile with accessible controls.

▸How to use
  1. Upload your PDF file.
  2. Type your watermark text (e.g. CONFIDENTIAL, DRAFT, SAMPLE).
  3. Adjust font size, opacity (20% to 30% is typical), rotation angle, and color.
  4. The preview shows how the watermark will look on each page.
  5. Click Apply watermark.
▸Why use this tool

Mark drafts, confidential copies, or samples. Text is drawn on every page in your browser. Existing content stays in place.