PDF Watermark

Protect your intellectual property. Add Copyright, Confidential, or specific Stamp overlays to your documents. Our tool runs locally in your browser for maximum security.

🔒 100% Private ⚡ Local Processing 💻 Works offline

Select your PDF to start adding professional watermarks instantly.

Key Features

  • ✓ Add text or image watermark
  • ✓ Batch watermarking for multiple pages
  • ✓ Place over or under text layer
  • ✓ Works directly in browser
  • ✓ No signup required

How it works

  1. 1 Upload your PDF file to the tool above
  2. 2 Configure your text or image watermark
  3. 3 Apply changes locally in your browser
  4. 4 Download your watermarked PDF instantly

Safe & Secure

Files are processed locally using client-side code and never travel through our servers. Your documents remain on your device during the entire process.

Frequently Asked Questions

Can I use my logo as a watermark?

Yes, you can upload any image format using our Background Remover to create a transparent logo for your watermark.

Can I customize the watermark transparency?

Absolutely. You can adjust the opacity of both text and image watermarks to ensure they don't obscure your main content.

Do I need to sign up to use this?

No. Our PDF watermark tool is completely free and requires no registration or software installation.

Secure PDF Watermarking

Protect your documents. Assert ownership and prevent unauthorized use by adding custom watermarks to your PDF files. Choose between text stamps (like 'CONFIDENTIAL' or 'DRAFT') or upload your own logo image.

Customizable control. Adjust transparency, rotation, and position to ensure your watermark is visible but not intrusive. Apply watermarks to specific pages or the entire document in seconds.

Confidentiality guaranteed. Watermarking happens entirely on your device. You can stamp legal contracts, financial reports, or creative manuscripts without ever uploading them to the cloud.

Related PDF Tools