M4AtoMP3.org is a free online audio converter that turns M4A, WAV, MP4, AAC, FLAC and OGG files into MP3, and MP3 into M4A, entirely inside your browser. Files are never uploaded, there is no sign-up, no watermark and no limits. It supports batch conversion and ZIP download, with 128/192/320 kbps.
Key features
- Convert M4A to MP3 in seconds, directly in your browser.
- Also converts WAV, MP4, AAC, FLAC and OGG files to MP3.
- Reverse conversion: turn MP3 files into M4A.
- 100% private: your audio files are processed locally on your device and never uploaded to any server.
- No account, no sign-up, no email required.
- No watermark and no file size or usage limits.
- Batch conversion: drop many files at once and convert them together.
- Download all converted files in a single ZIP archive.
- Choose your output quality: 128 kbps, 192 kbps or 320 kbps.
Who is it for?
M4AtoMP3.org is ideal for anyone who needs MP3 files that play everywhere: music lovers converting M4A files, podcasters, students, teachers and creators preparing audio for older devices, car stereos or editing software. Because everything runs in the browser, it works on Windows, Mac, Linux and Chromebooks without installing anything.
Pricing
Completely free, with no hidden upsells.
