Compare software

Prettier vs yamlfmt: catalog facts
Prettier	yamlfmt
Free Free and open source; an enterprise support offering is available.	Free The open-source application is available without a license fee.
Web, Command line	Windows, macOS, Linux
Consistent formatting with very little configuration Wide language support with community plugins	Batch formatting and pre-commit integration
Few options, so it may not match an existing house style Some languages depend on community plugins	The project is not officially supported by Google.
Downloadable app, Web application	Downloadable app
Open source	Open source
License: MIT	License: Apache-2.0
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 September 22, 2026

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