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Developer Tools

Best Code Formatters in 2026

Code formatters apply a consistent style to source code. This list helps you compare tools before choosing one for a project.

  1. 01 Black

    Black suits Python developers who want a consistent, opinionated formatter in command-line, editor or CI workflows.

    Free plan Windows · macOS · Linux · Self-hosted
    8.7 Visit Specs
  2. 02 Prettier

    Prettier suits developers who want consistently formatted code in editors or automated command-line and CI workflows.

    Free plan Open source Web · Windows · macOS · Linux
    8.5 Visit Specs
  3. 03 CSharpier

    CSharpier suits developers who want consistent C# or XML formatting across projects, editors, and automated build workflows.

    Free plan Windows · macOS · Linux · API
    8.0 Visit Specs
  4. 04 rustfmt

    rustfmt suits Rust developers who want consistent formatting in a crate or workspace, including teams that check formatting in CI.

    Free plan Windows · macOS · Linux
    7.9 Visit Specs
  5. 05 elm-format
    Free plan Windows · macOS · Linux
    7.8 Visit Specs
  6. 06 gofmt

    gofmt suits Go developers who want consistent source formatting from the command line or through documented editor and version-control integrations.

    Free plan Windows · macOS · Linux
    7.8 Visit Specs
  7. 07 Ruff

    Ruff suits Python developers who want linting, formatting, and automatic fixes in one tool.

    Free plan Web · Windows · macOS · Linux
    7.8 Visit Specs
  8. 08 clang-format
    Windows · macOS · Linux · Browser extension
    7.7 Visit Specs
  9. 09 autopep8
    Windows · macOS · Linux · API
    7.6 Visit Specs
  10. 10 RuboCop
    Free plan Linux · Self-hosted
    7.6 Visit Specs
  11. 11 Uncrustify
    Free plan Windows · macOS · Linux · Self-hosted
    7.6 Visit Specs
  12. 12 PHP CS Fixer
    Free plan Linux · Self-hosted
    7.5 Visit Specs
  13. 13 OCamlFormat
    Free plan Linux
    7.4 Visit Specs
  14. 14 Spotless

    Spotless suits developers and teams that want formatting checks or automatic fixes integrated into their build tools or editors.

    Free plan Windows · macOS · Linux
    7.3 Visit Specs
  15. 15 swift-format
    Free plan macOS · Linux · iOS
    7.3 Visit Specs
  16. 16 Deno
    From $20/mo Free plan
    7.0 Visit Specs
  17. 17 Dart formatter
    Windows · macOS · Linux
    6.1 Visit Specs
  18. 18 EditorConfig
    5.6 Visit Specs
  19. 19 google-java-format
    5.5 Visit Specs
  20. 20 LuaFormatterKoihik
    5.5 Visit Specs
  21. 21 YAPF
    Windows · macOS · Linux
    5.3 Visit Specs
  22. 22 StyLuaJohnnyMorganz
    5.1 Visit Specs
How this list is ordered. Specifiction scores each tool on how fully its maker documents it, whether its prices are published, where the research puts it, the platforms it runs on and whether it can be tried for free (how we rank). Makers can also buy a numbered place (how Specifiction is paid for).

Check the price model, licence, supported platform and language coverage. Listed tools may run on Linux, macOS or Windows, or be offered as self-hosted software, APIs or extensions.

Compare Black and Prettier Get a place on this list

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