PDF Watermark Tool

Add text watermark to every page of your PDF. Customize position, opacity, font size, color, and rotation. 100% Local

Drag PDF files here or click to upload

Watermark text

Position

Opacity

Font size

Color

Rotation (degrees)

How to Use PDF Watermark Tool

Upload one or more PDF files by dragging them into the upload zone
Enter the watermark text (e.g. CONFIDENTIAL)
Adjust position, opacity, font size, color, and rotation as needed
Click Add Watermark to process all documents
Download the watermarked PDF directly, or as a ZIP when processing multiple files

Batch watermark multiple PDF files at once
Custom text watermark on every page
Position: center, corners, or tiled
Adjustable opacity, font size, and color
Rotation support for diagonal watermarks
Chinese text supported
All processing runs locally in your browser. Your data is not uploaded to any server.