ReSwifter is a both a Snippet Manager app and an XCode Editor Extension. It is lightweight, but feature-rich. In addition to typical features found in a Snippet Manager, ReSwifter also offers several local-AI-assisted tasks on your code snippets.

• New snippets from clipboard are briefly summarized and named automatically
• One-click copy to clipboard, or use keyboard shortcuts
• Live code editing of snippets with syntax highlighting
• Syntax highlighting supports 58 programming languages, which can be overridden
• Adaptive syntax highlighting for Dark and Light modes set by the system
• Folder management, favourites, and search filter assist in finding your snippets
• Folders named after programming languages automatically applies the language's highlighting to new snippets in that folder
• AI-assisted tasks: Explain, Document, Review, Cleanup, Refactor, Convert to Swift*
• AI features use Apple's built-in FoundationModels, which works completely offline (privacy)
• Rich, structured text responses from AI-assisted features (not editable)
• Copy to clipboard button will copy only code blocks from AI responses; use manual selection to copy non-code

*Note: Accuracy, consistency or reliability of AI-assisted tasks are to be considered with discretion. The language, length, complexity and nature of a snippet, and the AI task can all be combined factors in the quality of the result. Always double-check AI output before accepting it.

• Selected text in XCode can be sent directly to ReSwifter via the Editor menu, and any snippet can be sent back to replace it
• Invoking ReSwifter from XCode with no selection will send the entire contents of the currently opened file, which can be replaced by an augmented version

Apple M1 or later hardware runing macOS Tahoe 26 or later is required. For the AI-assisted capabilities to work, you will need Apple Intelligence enabled (and downloaded) in your System Settings. You may have to restart ReSwifter after the model is downloaded.

The easiest way would be to visit the ReSwifter page in the macOS App Store.

Visit the ReSwifter Help in the wiki, here.

ReSwifter (C) 2026 Jeffrey Bakker

• Live snippet editing with syntax highlighting uses HighlightedEditorView, by Jeffrey Bakker.
• Markdown and code blocks for AI Responses are rendered with Textual, by Guille Gonzalez.