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Add watermark to PDF

Add a transparent text watermark to your PDF without uploading it.

✓Files are processed locally in your browser.
✓No account, paid API, or server upload required.
✓For best results, use modern Chrome, Edge, Firefox, or Safari.

Your files never leave this browser tab.

Add watermark to PDF is a focused browser tool for working with PDF file without adding another upload step to your workflow. It is designed for quick, private tasks where you want a clear result and a clean download.

How to use Add watermark to PDF

  1. 1. Choose a PDF file.
  2. 2. Enter the watermark text.
  3. 3. Download the stamped document.

Why use this tool?

  • Useful for contracts, reports, forms, receipts, and everyday documents.
  • Your document stays in the browser instead of being sent to a third-party API.
  • Works without an account or server-side PDF software.

Privacy-first processing

Your input is read by the browser tab that you opened. SpeedyToolsHub does not need to store PDF file files on the server for this tool. For very large files, processing speed depends on the device and available browser memory.