Add text watermark to PDF

Add Watermark

📄 Click to choose a PDF or drag & drop it here

Your PDF stays in this browser. No upload to a server.

✓ PDF loaded

Watermarked preview

This preview uses the same settings that will be applied to every page in the downloaded PDF.
Preview ready
Choose a PDF, then click Preview Watermark.
Tip: If the watermark looks too subtle in the preview, raise opacity to 0.35-0.5 or increase the font size before downloading.

📖 What is Add Watermark?

Add Watermark stamps a text watermark across all pages of a PDF. Customize text, size, angle, and opacity.

👤 Who Is It For?

For: Anyone who needs to mark documents as DRAFT, CONFIDENTIAL, or add branding.

📋 How to Use

  • Choose a PDF file and confirm the green loaded state.
  • Enter watermark text and adjust size, angle, and opacity.
  • Click Preview Watermark to check the result, then Generate Download.

💡 Common Use Cases

  • Mark documents as DRAFT or CONFIDENTIAL
  • Add company branding to PDFs
  • Protect intellectual property

⚠️ Limitations

Text watermarks only. For photo and logo watermarks, use our Image Watermark tool.

📌 Key Facts

  • Free, no signup
  • All processing in browser
  • Works on all pages at once