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Add Watermark to PDF

Stamp text, logo, or diagonal watermarks on every page of your PDF with full control over opacity, size, and placement.

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PDF · Max 100 MB

48px
16px120px
30%
5%100%

How to add watermark to pdf

  1. 1
    Upload your file using the drop zone above.
  2. 2
    Configure any options if available.
  3. 3
    Click "Process File" and wait a few seconds.
  4. 4
    Download the result — your file is automatically deleted after 1 hour.
No registration needed
Files deleted after 1 hour
100% free, no limits

Add Watermark to PDF — Online Tool Guide

Protect your intellectual property and stamp your brand identity onto documents with our free Watermark PDF tool. You can overlay custom text watermarks (like "CONFIDENTIAL" or "DRAFT") or upload a PNG/JPG logo to stamp across every page. Our utility gives you full control over text fonts, colors, transparency levels, sizing, rotation angles, and placement.

Adding watermarks is a standard best practice to prevent unauthorized distribution and establish copy ownership before sharing PDFs with clients, partners, or the public. Our online watermarker makes this task extremely simple and professional without requiring expensive design or PDF editing software.

All operations are handled with standard end-to-end security. Uploaded PDFs, watermark logos, and stamped outputs are processed in isolated sandboxes and automatically deleted permanently from our servers within 1 hour. Secure your documents today!

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