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Feature

Capture, record, and generate store screenshots

Pixel-perfect simulator captures, MP4 and animated GIF video recording, and automated App Store screenshot generation.

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One-click pixel-perfect screenshots

Lossless captures directly from the menu bar or workspace

Grab clean, uncompressed simulator screenshots instantly without hunting through desktop clutter. Capture with a single click or global hotkey ⌃⌥⌘S, with optional native device bezels and direct clipboard copying.

  • Capture high-resolution simulator screenshots in one click
  • Global system shortcut ⌃⌥⌘S captures without switching windows
  • Optional native device frames and drop shadows
  • Recent captures saved to your workspace and ready to share
CosmoKit Screen Capture tool

Smooth video recording and animated GIFs

Export demo recordings for QA, pull requests, and marketing

Record smooth simulator walkthroughs without clunky QuickTime menus or command line tools. Export directly to compressed MP4 for bug reports and PR walkthroughs, or lightweight animated GIFs for documentation.

  • Record smooth video sessions directly from the control panel
  • Export to standard MP4 video or animated GIF formats
  • Optional audio recording toggle for spoken walkthroughs
  • Ideal for QA bug reproduction, pull request previews, and docs

App Store screenshot generator

Generate store-ready assets without opening Figma

Transform raw simulator captures into framed, localized App Store screenshot sets ready for App Store Connect. Choose from official Apple display size presets, apply gradient backgrounds, and manage localized copy.

  • Presets for required iPhone, iPad, and Mac App Store display sizes
  • Automated device framing with accurate hardware bezels
  • Customizable background colors, gradients, and font typography
  • Multi-locale template sets for localized App Store submissions

Automated captures in CI and scripts

Drive visual regression tests from the cosmokit CLI

Incorporate simulator visual capture into your automated build pipelines and git hooks. The free cosmokit CLI provides scriptable capture and recording commands that output directly to target directories.

  • Run cosmokit capture to save screenshot artifacts in CI jobs
  • Record simulator sessions during integration tests with cosmokit record
  • Target specific booted or named simulators with UDID flags
  • Zero graphical dependencies required for CLI screenshot tasks
# Capture booted simulator into repository screenshots
$ cosmokit capture --output ./screenshots

# Record 10-second interaction video
$ cosmokit record --output ./artifacts/test-run.mp4

Related features

One panel for every simulator switch

Control, boot, diagnose, and clean all your simulators in one unified panel.

Push notifications and deep links in one click

Send push payloads and test URL schemes directly in the simulator without a backend.

Ready to test faster?

CosmoKit is a native macOS app. Free to start, no signup.

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