Best Fourmolu Alternatives in 2026
Updated
20 apps from code formatting tools ranked against Fourmolu on the same published basis.
- 1Fourmolu vs Accessibility Test Framework for Android
- 2Fourmolu vs Black
- 3Fourmolu vs Prettier
- 4Fourmolu vs Ruff
- 5Fourmolu vs rustfmt
- 6Fourmolu vs Biome
- 7Fourmolu vs CSharpier
- 8Fourmolu vs dprint
- 9Fourmolu vs gofmt
- 10Fourmolu vs Taplo
- 11Fourmolu vs js-beautify
- 12Fourmolu vs pgFormatter
- 13Fourmolu vs PHP CS Fixer
- 14Fourmolu vs UglifyJS
- 15Fourmolu vs autopep8
- 16Fourmolu vs clang-format
- 17Fourmolu vs Dart pub
- 18Fourmolu vs elm-format
- 19Fourmolu vs goimports
- 20Fourmolu vs Ormolu
Fourmolu alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Accessibility Test Framework for Android | 6.6 | Free plan | Free | Android, Linux, Mac, Windows |
| 2 | Black | 6.6 | Free plan | Free | Linux, Mac, self-hosted, Windows |
| 3 | Prettier | 6.6 | Free plan | Free | API, Browser, Linux, Mac, Web, Windows |
| 4 | Ruff | 6.6 | Free plan | Free | Linux, Mac, self-hosted, Web, Windows |
| 5 | rustfmt | 6.6 | Free plan | Free | Linux, Mac, Windows |
| 6 | Biome | 6.5 | Free plan | Free | Browser, Linux, Mac, Web, Windows |
| 7 | CSharpier | 6.5 | Free plan | Free | API, Linux, Mac, Windows |
| 8 | dprint | 6.5 | Free plan | Free | Browser, Linux, Mac, self-hosted, Windows |
| 9 | gofmt | 6.5 | Free plan | Free | Linux, Mac, Windows |
| 10 | Taplo | 6.5 | Free plan | Free | API, Browser, Linux, Mac, Windows |
| 11 | js-beautify | 6.4 | Free plan | Free | Web |
| 12 | pgFormatter | 6.4 | Free plan | Free | API, Linux, self-hosted, Web |
| 13 | PHP CS Fixer | 6.4 | Free plan | Free | Linux, self-hosted |
| 14 | UglifyJS | 6.3 | Free plan | Free | API, Linux, self-hosted |
| 15 | autopep8 | 5.6 | No | — | API, Linux, Mac, Windows |
| 16 | clang-format | 5.6 | No | — | Browser, Linux, Mac, Windows |
| 17 | Dart pub | 5.6 | No | — | Linux, Mac, Windows |
| 18 | elm-format | 5.4 | No | — | Windows, Mac, Linux |
| 19 | goimports | 5.4 | No | — | Web, Windows, Mac, Linux |
| 20 | Ormolu | 5.4 | No | — | Web, Windows, Mac, Linux |
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Questions about Fourmolu alternatives
What is the best alternative to Fourmolu?
Accessibility Test Framework for Android, number 1 in code formatting tools with a score of 6.6 out of 10. The others here: Black, Prettier, Ruff and 16 more.
What is the best free alternative to Fourmolu?
Accessibility Test Framework for Android is the best-ranked alternative with a free plan. 14 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.