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Biome vs Prettier: catalog facts
Biome	Prettier
Free Free and open source, funded through Open Collective.	Free Free and open source; an enterprise support offering is available.
Windows, macOS, Linux, Command line	Web, Command line
Formatter and linter in one fast tool Close compatibility with Prettier formatting	Consistent formatting with very little configuration Wide language support with community plugins
Not a full replacement for every ESLint plugin Some formatting differs from Prettier	Few options, so it may not match an existing house style Some languages depend on community plugins
Downloadable app	Downloadable app, Web application
Open source	Open source
License: MIT OR Apache-2.0	License: MIT
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

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