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JS Beautifier vs Prettier: catalog facts
JS Beautifier	Prettier
Free Free and open source under the MIT license.	Free Free and open source; an enterprise support offering is available.
Web, Command line	Web, Command line
Formats several web languages and JSON Browser interface provides configurable formatting options	Consistent formatting with very little configuration Wide language support with community plugins
The Python version formats JavaScript only; HTML and CSS require the separate css-beautify package.	Few options, so it may not match an existing house style Some languages depend on community plugins
Downloadable app, Web application	Downloadable app, Web application
Open source	Open source
License: MIT	License: MIT
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked September 23, 2026

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