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Hidden Gems of 2025

  • Florian 
  • 6 min read

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 they exist.

Taking a much closer look at pixels with Kaleidoscope 6.5

  • Florian 
  • 6 min read

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 6.5 is the first major step—a new way to inspect and compare the exact values of individual pixels, down to the smallest color differences.

Comparing Images with Kaleidoscope 6.4

  • Florian 
  • 3 min read

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 features.

The New Image Comparison

  • Florian 
  • 5 min read

Today, we’re excited to introduce an all-new Image Comparison in Kaleidoscope 6.4 Beta! This (pre-)release is all about getting the foundation right. We’ve rebuilt the Image Comparison on a completely new technology stack. That means it’s faster, more reliable, and ready for future innovation. From here on out, adding new features will be easier.

How to Compare Windows-based files?

  • Florian 
  • 3 min read

Ever tried to compare a Windows-created file on macOS and run into an error? Here’s how to make Kaleidoscope handle it smoothly.

Celebrating 5 Years of Kaleidoscope

  • catlan 
  • 1 min read

Five years ago today, I took a leap of faith: I purchased the assets of Kaleidoscope, took out a bank loan, and set out to bring this beloved Mac app back to life. At the time, Kaleidoscope hadn’t seen updates in a while — but I knew it deserved another chance.

Kaleidoscope 6.3 embraces macOS Tahoe

  • Florian 
  • 4 min read

Users updating their Mac to macOS Tahoe can rest assured that Kaleidoscope has been updated to embrace the new design and tested extensively.

Kaleidoscope ♡ Raycast

  • Florian 
  • 3 min read

⁠A greatly enhanced Raycast extension is the latest result of our continuous quest to improve your productivity and integrate Kaleidoscope with apps you love.