ScreenshotPlus

A native macOS screenshot annotation tool. When you take a screenshot, ScreenshotPlus opens it in an annotation window where you can draw shapes, add text, and export the result.

Requirements

• macOS 14.0 (Sonoma) or later
• Xcode 15+ or Swift 5.9+ toolchain

Building

swift build

To run:

swift run

Running Tests

swift test

Features

• Screenshot Monitoring - Automatically detects new screenshots in the configured directory
• Drawing Tools - Rectangle, oval, line, arrow, freehand pen
• Text Annotations - Add text labels to screenshots
• Crop Tool - Trim screenshots to a selected region
• Color & Stroke - Customizable stroke width and color picker
• Undo/Redo - Full undo/redo support for all annotations
• Export - Copy annotated image to clipboard or save to file
• Menu Bar - Runs as a menu bar application

Architecture

The app is built with SwiftUI and uses Swift Package Manager:

├── Sources/ScreenshotPlus/
│   ├── App/                       # App entry point
│   ├── Views/                     # SwiftUI views
│   ├── Models/                    # Data models
│   ├── Services/                  # Business logic
│   ├── Controllers/               # View controllers
│   └── Utilities/                 # Helper utilities
└── Tests/ScreenshotPlusTests/
    └── ...                        # Unit tests

License

MIT