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Unmark

Name: Unmark
Author: EmreO33

EmreO33

Remove watermarks and unwanted objects from photos, entirely on-device

Multimedia
FOSS
Free
No ads
No tracking

Android only

Get Unmark

Get it on F-Droid Get it on GitHub Get it on Zapstore

What are these stores? F-Droid, GitHub, Zapstore

Unmark lets you paint over a watermark, logo, or unwanted object in a photo and erase it, entirely on your phone, with no internet connection required and nothing uploaded anywhere. Watermark removal uses a small, pure-Kotlin nearest-fill and smoothing algorithm. There is no AI/ML model, no bundled weights, and no native code. See the project README for how it works. Features:

Developer: EmreO33
Source code: github.com/EmreO33/unmark
Added to AppCosmos: 10 October 2026
License: GPL-3.0-or-later