Media Lab

Watermark Manager

Add watermarks to images & PDFs — and undo only the watermarks added by this tool with a manifest. 100% client-side.

Input

Supported: PNG/JPG, PDF

File Type

Text Font Color Opacity Angle (deg) Pattern Spacing

Logo File Scale (%) Opacity Placement Spacing

Undo works only for watermarks added by this tool.

Manifest (.wm.json)

Keep this file to revert later.

Import Manifest

We never remove third-party watermarks. Educational/brand use only.

Load an image or PDF to preview