AUDIO CONVERTER · MP3 TO M4A · NO UPLOAD

Convert MP3 to M4A,
free & private.

Turn MP3 into smaller M4A. No upload.

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Convert MP3 to M4A now

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Pick MP3. Get M4A.

Pick an MP3 file to begin.
Why M4A?

Compact audio for modern devices.

M4A/AAC is a good fit for iPhone, Mac, Android, notes apps, cloud folders, and everyday sharing.

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M4A to MP3Convert voice memos to MP3. Compress AudioMake audio files smaller. Audio SpeedChange playback speed permanently. Split AudioBreak long audio into parts.
How do I convert MP3 to M4A?
  1. Choose an MP3 file.
  2. Pick an M4A quality setting.
  3. Click Convert to M4A. The M4A file downloads when finished.
Are files uploaded?

No. The conversion runs locally in your browser.

Is M4A smaller than MP3?

Often, yes. AAC can keep good quality at lower bitrates, especially for voice and everyday listening.