Best Code Formatting Tools in 2026 — page 2

Spotless

Choose Spotless if you need an open-source formatter that can check and fix code across multiple languages and build systems.

swift-format

Choose swift-format for a free, Apache-2.0 tool that formats and lints Swift with command-line, plugin, API, and editor integration options.

UglifyJS

Choose UglifyJS if you need a free JavaScript toolkit with command-line and API options, source maps and AST utilities.

Zig fmt

Zig fmt provides canonical formatting and a non-modifying check mode within the Zig toolchain. Its scope is limited to Zig code, and the toolchain is free and open source.

stylish-haskell

stylish-haskell provides broad Haskell source-formatting features with configurable behavior and editor integrations.

Dart formatter

yamlfmt

yamlfmt is a focused YAML formatter with cross-platform support, file ignores, and a library API.

google-java-format

YAPF