Free Online PDF Watermark Tool

Add text or image watermarks to your PDF files. Protect your documents with customizable watermarks — choose font, color, opacity, position, and rotation.

30%
#CCCCCC

How to Add Watermark to PDF

  1. Upload your PDF file (up to 100MB)
  2. Choose Text Watermark or Image Watermark
  3. Customize appearance: text, font, color, opacity, position, rotation
  4. Click "Apply Watermark" — processed in seconds
  5. Download the watermarked PDF

💡 All processing is done server-side. Your files are automatically deleted after processing.