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Prettier vs JS Beautifier: catalog facts
Prettier	JS Beautifier
Free Free and open source; an enterprise support offering is available.	Free Free and open source under the MIT license.
Web, Command line	Web, Command line
Consistent formatting with very little configuration Wide language support with community plugins	Formats several web languages and JSON Browser interface provides configurable formatting options
Few options, so it may not match an existing house style Some languages depend on community plugins	The Python version formats JavaScript only; HTML and CSS require the separate css-beautify package.
Downloadable app, Web application	Downloadable app, Web application
Open source	Open source
License: MIT	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.