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Biome vs JS Beautifier: catalog facts
Biome	JS Beautifier
Free Free and open source, funded through Open Collective.	Free Free and open source under the MIT license.
Windows, macOS, Linux, Command line	Web, Command line
Formatter and linter in one fast tool Close compatibility with Prettier formatting	Formats several web languages and JSON Browser interface provides configurable formatting options
Not a full replacement for every ESLint plugin Some formatting differs from Prettier	The Python version formats JavaScript only; HTML and CSS require the separate css-beautify package.
Downloadable app	Downloadable app, Web application
Open source	Open source
License: MIT OR Apache-2.0	License: MIT
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 September 23, 2026	Official website Full listing and sources Checked October 8, 2026

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