fission ☆
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Description:
Audio editor
Type: Cask  |  Latest Version: 2.9.3@0  |  Tracked Since: Dec 17, 2025
Links: Homepage  |  @RogueAmoeba  |  formulae.brew.sh
Category: Multimedia
Tags: audio-editor podcasting lossless macos multimedia
Install: brew install --cask fission
About:
Fission is a lossless audio editor for macOS that handles formats like MP3, AAC, FLAC, and WAV without quality degradation. It excels at splitting long recordings, editing metadata, and exporting directly to iTunes or for podcast distribution. The tool provides a streamlined workflow for audio manipulation without the complexity of full digital audio workstations.
Key Features:
  • Lossless editing for MP3, AAC, FLAC, and WAV files
  • Split long recordings with automatic chapter marker detection
  • Direct export to iTunes and integration with podcast workflows
  • Metadata editing and artwork support
  • Fast processing with non-destructive editing
Use Cases:
  • Editing podcast recordings and splitting them into individual episodes
  • Trimming and organizing long audio recordings without quality loss
  • Converting audio files between different formats for various devices
  • Adding metadata and album artwork to audio files
Alternatives:
  • Audacity – Free and open-source with more features but steeper learning curve and destructive editing
  • GarageBand – Free Apple app focused on music creation rather than quick audio editing tasks
  • Adobe Audition – Professional DAW with advanced features but subscription-based and overkill for simple edits
Version History
Detected Version Rev Change Commit
Sep 13, 2025 6:46pm 2.9.1 0 VERSION_BUMP 68a31bb2
Sep 10, 2025 4:14pm 2.9.0 0 VERSION_BUMP 6194d0a8
Aug 13, 2024 11:35pm 2.8.7 0 VERSION_BUMP e33b6a25
Jul 24, 2024 7:41pm 2.8.6 0 VERSION_BUMP 8c0f6532
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