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mtPaint vs Pixilart: catalog facts
mtPaint	Pixilart
Free Free and open source under the GPL-3.0.	Free The editor and community are free to use.
Windows, Linux	Web
Edits indexed palette and 24-bit RGB images Layers, channels and animation support	Runs in the browser with nothing to install Exports animated GIFs and sprites
Basic tools compared with full photo editors No release binaries published on the GitHub repository	Fewer advanced features than desktop pixel art editors Community features are a large part of the site
Downloadable app	Web application
Open source	Closed source
License: GPL-3.0	License not stated
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.