Mac App Store

Mac App Store is the simplest way to find and download apps for your Mac.

To download Fission from the Mac App Store, you need a Mac with OS X 10.6.6 or later. Learn More.


By Rogue Amoeba Software

Open the Mac App Store to buy and download apps.


Crop and trim audio, paste in or join files, or just rapidly split one long file into many. Fission is streamlined for fast editing. Plus, it works without the quality loss caused by other editors, so you can get perfect quality audio even when editing MP3 and AAC files.

If you need to convert formats, Fission can do that too, with simple export or batch conversion to the MP3, AAC, Apple Lossless, FLAC, AIFF, and WAV formats.

Fission makes audio editing fast and easy - get it now!

What's New in Version 2.2.5

* This version improves file support for several different file types. First up, loading of AAC and Apple Lossless is much faster.

* In addition, support for Apple Lossless files has been improved, with support for the rare 20-bit ALAC format.

* Tag support for FLAC files has also been improved.

* Rounding out our improved file support, chapterized AAC files are now better supported as well.

* Other minor fixes and improvements have been made.


Screenshot 1
Screenshot 2
Screenshot 3
Screenshot 4
Screenshot 5
View in Mac App Store
  • $28.99
  • Category: Music
  • Updated:
  • Version: 2.2.5
  • Size: 13.9 MB
  • Language: English
  • Seller:

Compatibility: OS X 10.9 or later, 64-bit processor

Customer Ratings

0 0 0 We have not received enough ratings to display an average for the current version of this application.
All Versions:

More by Rogue Amoeba Software