Add Watermark to PDF

Stamp a text watermark — diagonal or tiled — across every page of a PDF. In your browser.

100% private — runs entirely in your browser. Your data is processed on your device and never sent to the internet.

Click to upload or drop a PDF here

One PDF — watermarked in your browser, never uploaded

About this tool

This free Add Watermark to PDF tool stamps a text watermark — such as CONFIDENTIAL, DRAFT or your company name — across every page of a PDF. Choose a centered diagonal mark or a tiled pattern, then fine-tune the color, font size, opacity and rotation.

Everything runs in your browser — your PDF is never uploaded to a server.

Features

  • Live preview of the first page before you download
  • Every page watermarked in one click
  • Position anywhere — corners, edges, center — or tile / repeat across the page
  • Custom color, size, opacity and rotation
  • Works on multi-page documents of any length
  • Standard PDF output that opens everywhere

Common uses

  • Mark a document as CONFIDENTIAL, DRAFT or SAMPLE
  • Brand a PDF with your company name before sending
  • Discourage copying or unauthorized sharing

How to use it

  • Upload a PDF — click the upload area or drag and drop your file
  • Type your watermark text — e.g. CONFIDENTIAL
  • Choose the position or tiling — then set color, size, opacity and rotation while you watch the preview
  • Add watermark & download — save the watermarked PDF

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