M4A → MP3

Drop M4A files here

Advanced settingsTime range · output options
At 192 kbps, it is difficult to distinguish from the original for most music. If you only have voice, 128 kbps is sufficient.
It's usually best to keep the original. If the file is going to be included in a video editing project, choose 48 kHz.
5.1 channels or more are stereo.Mono combines the left and right sounds into one. For files containing only voice, such as lectures or phone recordings, mono is sufficient.
Conversion details

Change iPhone voice memos or AAC audio files (M4A) to play on devices that only accept MP3.

Quality and preservation

Minor sound quality deterioration due to recompression

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