Kaleidoscope 6.6 is out today, introducing AI-powered image alignment built on Apple’s Vision framework. Whether you’re comparing screenshots or photographs, Kaleidoscope will now automatically align ...

Following a tradition we started last year, this post collects a few illustrated tips about lesser-known additions to Kaleidoscope in 2025. Small features that can come in very handy once you know the...

With Kaleidoscope 6.4 we introduced a complete rewrite of the Image Comparison. With that groundwork in place, we can now start to build on it and innovate further. Pixel Comparison in Kaleidoscope 6...

It took us a tad longer than we had initially hoped, but here it is: the final version of Kaleidoscope 6.4 with the all new Image Comparison — a complete rewrite of one of Kaleidoscope’s three core fe...

Learn how to go from comparing text in Kaleidoscope 6.1 to editing it in your favorite editor/IDE with just a single click.

Kaleidoscope 5.4 has arrived with a completely reimagined Software Update process. But since that will only become apparent with the next update, let's focus on the more immediately enhancement: a sig...

Extension for Visual Studio Code - Compare files and text selections, run git difftool and git mergetool.

This week we have a rather straightforward quick tip about the File History. There are two aspects to it: which files’ history is being shown, and what branch does it show?

Another quick tip: how do you add a Git Repository to Kaleidoscope, and more importantly, why you really want that.

This Quick Tip shows how to use the command line with ksdiff and tidy to create a readable diff from optimized single-line HTML pages.

Today’s quick tip is simple yet useful: discover what a patch file is and learn how to create one, whether as a file or by copying its content directly to the clipboard.

Syntax Highlighting not only enhances readability but also helps users quickly identify differences in content, making comparisons more intuitive. Learn about ways to control Syntax Highlighting in Ka...

There’s a difference between how Kaleidoscope compares files in the folder comparison and in the direct (text) file comparison. This can cause unexpected results.

We found that a lot of people aren't aware how to quickly navigate text changes or conflicts in Kaleidoscope. There are various ways using different input methods. Here's a short refresher.

Some users do not have admin privileges on their machine, but sill want to use ksdiff. Here are a few ways to make it work.

When using git from the command line you need to know the difference between difftool and mergetool. This short article explains their difference.

Sometimes it’s very convenient to share the exact changes in a body of text with a coworker who doesn't have Kaleidoscope. Generating a PDF of a text comparison is a great way of doing that.

Kaleidoscope Blog

Kaleidoscope, the popular file comparison and merge tool, recently released an update with significant improvements to its merge conflict resolution...