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swift-format

Free#19 of 34 in Code Formatting Tools

swift-format: A focused Swift formatter and linter for Apple-platform development workflows. Ranked #19 of 34 in Code Formatting Tools by our editors (7.4/10); pricing: Open source; best for swift projects on Apple platforms.

7.4/10Editor score

Visit swift-format

swift-format7.4 Visit swift-format

At a glance

Editor score
7.4 / 10
Pricing
Open source
Best for
Swift projects on Apple platforms
Paid from
Free
Supported languages
Swift
Facts checked
21 Sep 2026

Where it wins
- Formats files, standard input, and directory trees recursively
- Supports JSON configuration, parallel processing, and in-place formatting
- Includes APIs and Swift Package Manager formatting and linting plugins
Where it doesn't
- Supports Swift only
- Verified platform coverage is limited to macOS and iOS
- Its scope centers on formatting and linting rather than broader code tooling

Our verdict on swift-format

swift-format is an open-source command-line formatter and linter for Swift source code. It is suited to developers working on Swift projects for macOS and iOS, especially teams that want formatting and style checks in command-line workflows, Swift Package Manager projects, or Apple development environments. The tool can format one or more files, accept source code from standard input, apply changes in place, and check Swift files for style violations. It can also be included in the Swift toolchain or built as a Swift Package Manager dependency.

Its strongest fit is the Swift ecosystem. swift-format integrates with SourceKit-LSP, Swift Package Manager, and Xcode, while its package includes Swift Package Manager plugins for formatting and linting. The published capabilities also include SwiftFormatter and SwiftLinter APIs, allowing Swift applications to access formatting and linting functions directly. JSON-based formatter configuration provides a way to define formatting behavior, and recursive directory processing supports source trees rather than only individual files. Parallel processing is available for workflows handling multiple files.

The product keeps its focus narrow: Swift formatting and linting across macOS and iOS. That focus makes it a practical choice for Apple-platform Swift projects that need command-line processing, editor and package-manager integration, or programmable access through APIs. It is less suitable for teams seeking a multi-language formatter, broader static-analysis coverage, or verified support beyond macOS and iOS. The command-line tool is also included in Swift 6 and later toolchains, while the open-source package can be built as a Swift Package Manager dependency.

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swift-format pricing

Plans Open sourceFree Free to use — no paid tier required for the core job.

See plans on github.com

swift-format fact sheet

Free plan	Not verified
Paid from	Free
Supported languages	Swift
Supported platforms	macOS, iOS
Editor integration	Yes
Ignore files	Not verified
Changed-lines formatting	Not verified
Library API	Yes
License model	Open_source
Deployment	Self-hosted
Platforms	macOS, iOS
Support	Docs, Community
Built for	Solo, Small business, Mid-market, Enterprise (editorial estimate)
Integrations	3 integrations: SourceKit-LSP, Swift Package Manager, Xcode
Pricing	Open source
Website	github.com
Facts checked	21 Sep 2026

swift-format integrations

swift-format lists 3 integrations on its own site.

SourceKit-LSP
Swift Package Manager
Xcode

Alternatives to swift-format

See all swift-format alternatives →

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Featured on iTechGuides

swift-format is listed in our Code Formatting Tools directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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Last updated 7 Oct 2026 · How we research and update