Perian Mac [work] Jun 2026

The developers cited several reasons for ending the project:

If you are on a modern Mac, delete the idea of Perian and install or VLC . They carry the same spirit—playing any file you throw at them—but work on today's technology. perian mac

Perian has been officially discontinued since 2012 and is not compatible with modern macOS versions (10.15 Catalina and later). Installing it on a recent Mac can cause QuickTime to crash or refuse to open. The developers cited several reasons for ending the

Run the official Uninstall Perian.app (in /Library/QuickTime/) or manually remove: Installing it on a recent Mac can cause

The final version (1.2.3) still works on systems up to OS X El Capitan. You can find it on the official archive or legacy software sites. Install, then restart QuickTime.

. Supported Formats: It allowed playback of MKV, AVI, FLV, DivX, and more. The Benefit: It enabled any app using the QuickTime engine to read these extra media types without needing a separate player. Why You Shouldn't Use It Now Apple transitioned QuickTime to a new architecture (QuickTime X), which rendered older plugins like Perian incompatible. Attempting to use it on modern macOS (like Ventura or Sonoma) can lead to stability issues or simply won't work. Top Modern Alternatives For seamless playback of "funky" or unsupported codecs today, these are the gold standards: IINA