Watermark PDF

Add text watermarks to your PDF documents — entirely in your browser.

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Drag & drop your PDF here

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.pdf

About Watermark PDF

Add customizable text watermarks to every page of your PDF document.

  • Diagonal — classic rotated watermark across the page
  • Center — centered text overlay
  • Top/Bottom — header or footer style watermark

All processing happens locally in your browser using pdf-lib. No files are uploaded to any server.