nixfmt is a code formatter for the Nix expression language, aiming to provide consistent and idiomatic formatting for Nix files. It is written in Haskell and designed to be fast, predictable, and fully automatic with zero configuration. nixfmt helps Nix developers maintain readability and code consistency across large codebases, facilitating collaboration and version control workflows.

Features

  • Formats Nix code into consistent style
  • Requires no configuration or options
  • Written in Haskell for speed and correctness
  • Supports formatting of large codebases
  • Works well in CI and pre-commit hooks
  • Provides stable and deterministic output

Project Samples

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Categories

Code Formatters

License

Mozilla Public License 1.0 (MPL)

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Additional Project Details

Operating Systems

Linux, Mac, Windows

Programming Language

Haskell

Related Categories

Haskell Code Formatters

Registered

2025-07-17