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LazPaint vs JS Paint: catalog facts
LazPaint	JS Paint
Free Free and open source.	Free Free and open source under the MIT License, with optional donations.
Windows, macOS, Linux	Linux, Web
Raster and vector layers in the same image Familiar Paint.NET-like approach	Faithful MS Paint interface in any browser Extra features beyond the original, including vertical text
Smaller community than GIMP or Krita Fewer advanced features than larger editors	Deliberately simple compared with full photo editors No layers or advanced retouching tools
Downloadable app	Downloadable app, Web application
Open source	Open source
License not stated	License: MIT
No account needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 24, 2026

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