Kaleidoscope

Kaleidoscope is the most powerful file comparison app. Spot the differences in text and image files, or even folders full of files. Review changes in seconds, with the world’s most advanced and beautiful file comparison app.

Kaleidoscope 3 features the first major redesign in over eight years, with support for Apple Silicon-based Macs, a redesigned interface that looks great in the latest versions of macOS, and new dark mode support, Kaleidoscope 3 marks the comeback of a longtime developer favorite for spotting changes in text, images, and folders. There is a new Reader view, and changesets have received major improvements.

WHAT’S NEW IN KALEIDOSCOPE 3?

Redesigned interface, including new dark mode and new app icon; Kaleidoscope’s design now fits macOS Big Sur and macOS Monterey
Runs natively on all Macs, including those based on Apple silicon (Apple M1 chip).
Reader view makes it easier to focus on the content
Greater control over how text layout, with better font options and display choices
Ability to ignore particular folders and files during folder compare, using powerful patterns.
Persistent top toolbar with convenient Add and Paste buttons
Redesigned Unified text comparison and File Shelf views to make it easier to review differences and keep track of files being compared
Powerful filters for comparing items in changeset windows
KALEIDOSCOPE FEATURES:

Two-Way Text Comparison & Merging
Supports any text file, Word documents, PDF, RTF
Super-fast diffing of lines and character-level changes
Directly paste from clipboard
Three powerful display modes: Blocks, Fluid and Unified
Color coding to spot added, deleted, and changed text
Powerful text layout customization
Reader view that helps focus on content
Built-in search
Three-Way Merge

Review code changes and resolve conflicts
Edit text inline
Intelligently auto-merge the right content
Powerful Image Comparison

Supports any file that can be imported as bitmap
Directly paste from clipboard
Compare images in four different modes: Two-Up, One-Up, Split and Difference
Spot subtle pixel differences with a high contrast “difference mask”
Navigate large images using pan & zoom tools
Folder Comparison

Ultra-fast algorithm for finding differences in large folders
Sort and filter down to what is most important
Powerful ignore patterns to exclude extraneous files and folders
Drill deeper into folders for more detailed comparisons
Copy your preferred files across sources
Code Review

Well-designed overview of all files changed in a changeset
Find a file by filtering by name or by kind of change
Inspect changes in text and image files using all of Kaleidoscope’s compare tools
Easy Workflow Integration

Git, Mercurial, Subversion, Bazaar, and Perforce support
Works as a fully functional diff or merge tool
ksdiff tool unleashes the power of the unix command-line
Supported by a growing list of GUI source control management apps
Integrate with the Xcode debugger (lldb) for text and graphics
Integrates with tools like Alfred for even faster workflows