Fission
Fission trims, splits, and joins audio without quality loss, including MP3 and AAC files. It also edits metadata and batch converts audio between popular formats.
Fission is an audio editor for trimming recordings, joining files, and splitting long audio into smaller tracks. It edits without quality loss, including when working with MP3 and AAC files, making it useful for editing podcasts or separating recorded albums into songs.
You can cut selected audio, crop a file to keep only a section, and join files by dragging them in or copying and pasting. Smart Split automatically separates audio based on silence. You can also place split points manually or use cue sheets to divide recordings.
For volume adjustments, Fission offers fades, gain changes for selected sections, and normalization. It also supports metadata editing and creating AAC or MP3 files with chapters.
Fission can export individual files or batch convert multiple files to MP3, AAC, Apple Lossless, FLAC, AIFF, and WAV. It also provides an option to save edited audio as an iPhone ringtone.
