The best audio converter for Mac
Whether you're freeing up space, prepping files for a car stereo, or archiving in lossless FLAC, a good Mac audio converter handles every format offline. Here's what separates the best from the rest.
The short answer
The best Mac audio converter supports MP3, M4A, WAV, FLAC, AAC, OGG and more, converts losslessly when you want, and runs offline with no watermark. Offline Converter for Mac covers them all.
Every common format
MP3, M4A, WAV, FLAC, AAC, OGG, Opus, WMA and AIFF in any direction.
Lossless when needed
Keep full quality with FLAC and WAV, or shrink to MP3 for space.
Batch & trim
Convert whole folders and trim clips in the same app.
Offline
Your music and recordings stay on your Mac.
Frequently asked questions
How do I convert M4A to MP3 on Mac?
Add your M4A files, pick MP3, and convert the batch locally — no upload.
Can it convert to lossless FLAC?
Yes, it supports lossless formats like FLAC and WAV.
Is it free and offline?
Yes — free to try, offline, with no watermark.