Kaleidoscope spots differences in text and image files.

  • Single window workflow: One tab per comparison
  • Compare two+ files: Add any number of files per tab
  • Always up to date: Auto-refreshes when files change
  • File Shelf: Quickly go from file to file
  • Path Bar: See where your files are
  • Keyboard shortcuts: Every action has a shortcut

Text Scope
  • Supports any text file: Plain text, source code, HTML, etc.
  • Clear comparisons
  • Three layouts: Blocks, Fluid, and Unified
  • Compare documents: Imports text from .doc and .rtf files
  • Instant search
  • Change Stepper: Quickly jump from change to change
  • Highlights: Added, deleted and changed text

Image Scope
  • All popular image file formats: JPEG, TIFF, PNG, PSD and more.
  • Four connected layouts: Two-Up, One-Up, Split, and Difference
  • Comprehensive image support: RGB/CMYK/LAB, alpha, any size.
  • Multi-touch support: Smooth scrolling and pinch to zoom
  • Customizable environment: Change background color, difference mask and checkerboard settings
  • Two difference mask modes: Spot absolute or relative changes

  • Git, Mercurial, SVN, and Bazaar: Integrate with a couple of clicks
  • Versions
  • TextMate SVN
  • Cornerstone
  • ksdiff Command-line tool: Integrate with practically anything

What's New:

Version 2.3.5:
  • On macOS Big Sur, when closing a window after reviewing changes, Kaleidoscope should now always offer to save changes, instead of the app becoming unresponsive.
  • Clicking a screenshot in the Getting Started window once again opens a sample document. Also, the app no longer crashes every time.
  • Drastically reduced memory consumption in many areas.
  • View > Decrease Text Size now always works as expected.
  • Improved readability of some content when running on macOS Big Sur.
  • New Privacy Policy and updated License Agreement.
  • Various smaller bug fixes and improvements.


  • Title: Kaleidoscope
  • Developer: Black Pixel
  • Compatibility: macOS 10.12.0 or later
  • Language: English
  • Includes: K'ed by HCiSO
  • Size: 24.5 MB
  • visit official website



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