spacer

Fission

Fast & lossless audio editing

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! You can rapidly export or batch convert files to the MP3, AAC, Apple Lossless, FLAC, AIFF, and WAV formats.

Read on or just download and start editing now!

Fission 2.2.5
Released September 17, 2015
For Mac OS X 10.9 or higher
Read the release notes

Free Download

Purchase

Before purchase, audio saved with Fission will be degraded via audio fades.
Purchase a license key for just $29.

Fission 1 user? Click to upgrade to Fission 2.

Screenshots

  1. spacer
  2. spacer
  3. spacer
  4. spacer

Newest Features

  1. Tons of Tweaks Support for MP3 CBR & VBR, HE-AAC, direct import from iTunes, bug fixes, and much, much more.
  2. Import More Fission can now import many more formats, including: MPEG layer 1 and 2, AIFF-C, Ogg Vorbis, Shorten, RealAudio, Windows Media Audio (WMA), AMR, QDesign Music, WavePack and Monkey's Audio.

New in Fission 2

  1. spacer A Whole New Look Fission's interface has been updated to make it easier, more fun to use, and a joy to behold.
     
  2. spacer Cross-Format Exporting Edit an AIFF file, then save it to MP3. Edit FLAC and save to AAC. You can now export to any supported format.
  3. spacer Share to SoundCloud When you're done editing, you can publish your audio directly to a SoundCloud account. Sharing is a snap!
     
  1. spacer Multiple Windows Want to edit multiple audio files at once or just copy and paste between files? With Fission 2, you can!
     
  2. spacer Batch File Conversion Using the new Batch Converter, you can transcode dozens of files between audio formats, with just a few clicks.
  3. spacer FLAC Audio Support Fission now has full support for opening, editing, and saving FLAC audio files.
     
     
  1. spacer Modes Be Gone Editing used to mean switching between Inspect, Select, and Split modes. Fission 2 provides access to all controls, all the time.
  2. spacer Chapterized AAC Files If you need to make an enhanced podcast with AAC chapters, Fission will have it done in no time flat.
     
  3. spacer WAV, Too In addition to adding support for FLAC, Fission now supports reading, editing, and saving WAV audio files as well.

Key Features

  1. spacer Easy Editing Trim, split, fade in and out, all with a few simple clicks. Fission is designed with simplicity in mind.
  2. spacer Export to Any Format Fission can now save any file directly to MP3, AAC, Apple Lossless, FLAC, AIFF, or WAV.
  1. spacer Quick Audio Removal Cutting out audio couldn't be easier, with Fission's easy selection and cropping.
  2. spacer Native Format Support Edit natively, with no quality loss, in the MP3, AAC, Apple Lossless, AIFF, and WAV formats.
  1. spacer Batch Converter Fission's Batch Converter lets you quickly convert multiple files between audio formats.
  2. spacer No Quality Loss Required Yes, Fission can edit lossily compressed MP3 and AAC files without re-encoding, so you never lose quality.

Common Uses

  1. spacer iPhone Ringtones Edit audio down, then choose "Save as iPhone Ringtone" to get ringtones & text tones for the iPhone.
  2. spacer Split Up LPs Take one long file, such as a recorded LP, and split it into individual songs.
     
  1. spacer Remove Commercials Trim out unwanted ads and other bits from recordings made in Audio Hijack Pro, Piezo, or other apps.
  2. spacer Edit Podcasts Record a podcast with Audio Hijack Pro, then edit it down in Fission.
  1. spacer Convert Digital Albums Convert digital downloads from large-file formats like FLAC to more portable formats.
  2. spacer Create Enhanced Podcasts Even better, create Enhanced Podcasts, with chapterized AAC files. It couldn't be simpler.

Fast and Powerful Editing

  1. spacer Crop It Out Got a small portion of audio to save? Highlight it, click Crop and you're done.
  2. spacer File Joining With a simple drag and drop or copy and paste, you can join two or more files.
  3. spacer Smart Split Automatically split files based on silence - perfect for LP and DVD recordings.
  1. spacer Inline Gain Adjustment Highlight a section of audio then adjust the gain with the Gain slider.
  2. spacer Trim Audio Out Highlight unwanted audio, then press delete - that's it.
     
  3. spacer Fade Away Fade audio in and out to create pleasing transitions.
  1. spacer Why Be Normal? Give audio files a constant volume level with the Normalize function.
  2. spacer Split Points With Fission's Split Points, you can split and save to get multiple files.
  3. spacer Precise Splits Move split points by dragging exactly where you like, or add by timestamp.

Many More Features

  1. spacer Edit iTunes Downloads If you buy songs from the iTunes Music Store, Fission can help losslessly edit it.
  2. spacer Cue Sheet Support Split files using cue sheets, or export your edits to a cue sheet file.
  1. spacer Update ID3 Info Update the track info, as well as artwork and lyrics, for all audio formats.
  2.  
  1. spacer Detailed File Info The Summary view shows detailed information for your audio files.
  2.  

User Quotes

Just used Fission to split a recent Audio Hijack Pro recording into two parts, so that I can keep the best part. Brilliant!

—Leo J.

"Fission 2.0 is out" -@rogueamoeba "My money, take it." -Me "Do you want a free trial first?" -@rogueamoeba "Nope." -Me

—TJ L.

See more praise…

Awards & Ratings

  • spacer Macuser UK: 5 out of 5 Mice (2007)
  • spacer MacFormat: One of 50 Mac Gems
  • See more awards…

Our Software

  • spacer Airfoil Wireless audio around your house
  • spacer Audio Hijack Record any audio
     
  • spacer Fission Fast & lossless audio editing
  • spacer Loopback Cable-free audio routing
  • spacer Nicecast Create your own Internet radio station
  • spacer Piezo Charmingly simple audio recording

Goes Great With...

spacer Audio Hijack

Need to record audio from a mic or an application? Try out Audio Hijack. Save big with the Audio Hijack + Fission bundle in our store!

gipoco.com is neither affiliated with the authors of this page nor responsible for its contents. This is a safe-cache copy of the original web site.