nixfmt

Format Nix code.

NixOS

Last updated: 2026-05-10 Report error

Syntax

$nixfmt [OPTIONS] FILE

Examples

$nixfmt default.nix

Examples

$nixfmt --check default.nix

Typical use cases

Format

nixfmt default.nix

Check

nixfmt --check default.nix

Note Formats Nix code. Standard formatter.

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