sa.Sergei
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macOS · utility2026 / SnapArea

A screenshot. Just the tools you need.

Capture an area, annotate it, copy or save. A native macOS utility.

My role

User flows, native interface and development.

Scope

SnapArea

Links

No public link published

01 / The challenge

Shorten the path from selecting a screen area to an annotated image.

02 / The solution

SnapArea

Capture an area, annotate it, copy or save. A native macOS utility.

  • Area capture from a global hotkey
  • Rectangles, arrows, text, blur, and undo
  • Clipboard, autosave, and App Sandbox
  • App Store and Google Play versions in development
03 / The outcome

Hotkey capture, an editor with undo and PNG export are combined in one flow. Processing stays on the device.

Area captureAnnotations and blurClipboard and PNG
Technology
SwiftSwiftUIAppKitScreenCaptureKitmacOSiOSAndroid
Implementation details
  • Retina-quality selected-area capture through ScreenCaptureKit on the display under the cursor.
  • An interactive annotation editor with normalized coordinates, undo, and accurate PNG export.
  • A configurable global shortcut within App Sandbox without unsafe Accessibility interception.
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