PDF Watermark Studio

Add professional watermarks – fully offline, no servers

100% private. All files are processed directly in your browser. Nothing is uploaded.

1. Upload PDF

Only standard PDF files (no password)

Watermark text

Font size 42px

Font family

Color

Opacity 40%

Upload image (PNG / JPG)

Drag image or click to select

Scale (%) 40%

Opacity 50%

Rotation (°) 30°

Position

Apply to all pages