X-SwiftFormat

X-SwiftFormat is a macOS app that provides an Xcode source editor extension for formatting Swift code. It lets you preview formatting in the app and export a .swift-format configuration file for later use.

• Adds a Format Swift Code command to Xcode’s Editor menu after the extension is enabled.
• Offers an in-app preview of the formatting operation.
• Exports a .swift-format configuration file.
• Supports assigning a keyboard shortcut to the Xcode command through macOS App Shortcuts.

Install with brew install --cask x-swiftformat. Open X-SwiftFormat once to activate it, then enable it in System Settings under Privacy & Security → Extensions → Xcode Source Editor. In Xcode, run Format Swift Code from the Editor menu. A shortcut can be configured in macOS Keyboard Shortcuts → App Shortcuts, selecting Xcode and using the command name.

The cask requires macOS 13 or later. The project’s instructions separately describe installing Apple’s swift-format; that is a separate tool, not the X-SwiftFormat app itself.

Sources: Project instructions · Homebrew cask