Fission for Mac

With Fission for Mac, audio editing is no longer a chore. You can join files, crop and trim audio, and rapidly split up long files.

The tool is streamlined for fast editing, and it works without the quality loss other audio editors cause.

If you need to convert between audio formats, Fission for macOS can do that too. Rapidly export or batch convert files to the MP3, AAC, Apple Lossless, FLAC, AIFF, and WAV formats.

The app has all your audio needs covered. Finally, simple audio editing has arrived.

Features and Highlights

Fade, Cut, Crop & Edit Metadata
Fission offers all the standard audio editing options you need right at your fingertips. Unlike overly complicated competitors, there's no clutter or bloat.

Edit Audio with No Quality Loss
The tool never causes quality loss when it edits, even with the MP3 and AAC formats. It's like magic, and it's something only Fission offers!

Batch Convert Between Formats
The app's batch convertor lets you convert dozens of files at once, to any of the most popular formats: MP3, AAC, Apple Lossless, FLAC, AIFF, and WAV.

Cross-Format Conversions
Any file the app can open can be saved directly to MP3, AAC, Apple Lossless, FLAC, AIFF, or WAV.

Chapterized AAC & MP3 Files
Make enhanced podcasts with AAC or MP3 chapters using the app. Your listeners will love you for it!

Quick Audio Removal
Cutting out audio couldn't be easier. Just select and cut!

Full FLAC Support
If you need to edit FLAC files, look no further than the tool.

Crop It Out
Got a small portion of audio to save? Highlight it, click Crop and you're done.

File Joining
With a simple drag and drop or copy and paste, you can join two or more files into one.

Smart Split
Automatically split files based on silence. It's perfect for LP and DVD recordings.

Inline Gain Adjustment
Highlight a section of audio then adjust the gain with the Gain slider.

Cue Sheet Support
Split files using cue sheets, or export your edits to a cue sheet file.

Fade Away
Fade audio in and out to create pleasing transitions.

Why Be Normal?
Give audio files a constant volume level with the Normalize function.

Split Points
With the app's Split Points, you can split and save to get multiple files.

How to Use

• Import an audio file
• Use the selection tool to highlight audio
• Apply edits like cut, crop, fade, or normalize
• Adjust gain if needed
• Use Smart Split to divide audio by silence
• Join files by dragging and dropping
• Edit metadata as required
• Preview the edited audio
• Export the file in desired format

System Requirements

macOS 11 (Big Sur) to macOS 15 (Sequoia)

PROS

• Lossless audio editing
• User-friendly interface
• Supports multiple formats
• Batch conversion feature
• Smart Split functionality

CONS

• Limited zoom for precision edits
• No multi-track editing
• Basic effects options
• No support for VST/AU plugins
• Occasional stability issues

Note: In the demo version, the quality of audio files saved with Fission will be degraded with a series of random audio fades.