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SuperHTML vs Biome: catalog facts
SuperHTML	Biome
Free Free and open source under the MIT licence.	Free Free and open source, funded through Open Collective.
Windows, Command line	Windows, macOS, Linux, Command line
Validation and formatting in one tool Works as a language server in editors	Formatter and linter in one fast tool Close compatibility with Prettier formatting
Focused on HTML only No formal releases listed on the repository	Not a full replacement for every ESLint plugin Some formatting differs from Prettier
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: MIT OR Apache-2.0
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 23, 2026

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