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Convert to M4A (AAC)

AAC in an M4A file sounds better than MP3 at the same size and is the default format on Apple devices.

  • Nothing is uploaded
    your audio stays with you
  • No cookies
    and no sign-up

Drop audio here

or

Choose files

MP3, M4A, WAV, OGG, FLAC and video · several at once

Done in three steps

  1. 1

    Choose files

    Drag audio or video into the window, or pick it from your computer or phone. You can also record.

  2. 2

    Choose the edit

    The M4A format is already set. Choose 192 kbps for music; 96–128 kbps is enough for speech.

  3. 3

    Download

    One by one or all in a single ZIP. On a phone you can share them directly.

Convert to MP3MP3 plays on every device, car stereo and speaker. Add any audio or video and convert it all at once at the quality you choose. iPhone ringtonePick the best part of a song, add fades and save it as M4R for iPhone or MP3 for Android. Compress MP3Recording too big for an email? Save it at a lower bitrate or as mono – for speech there’s no audible difference. All audio toolsCutting, converting, multiple tracks, recording, noise removal and speech transcription in one place.

Nobody peeks. Not even us.

You edit audio right in your browser and it never leaves your device. Nothing is uploaded to a server, so not even we can hear it.

Frequently asked questions

M4A or MP3?

M4A (AAC) sounds better at the same bitrate. MP3 is more compatible with older players and car stereos.

What’s the difference between M4A and M4R?

It’s the same format – M4R is just the file extension for iPhone ringtones. You can make a ringtone on the iPhone ringtone page.

Are tags kept?

The original’s tags are left out for privacy. Enter the artist and album in the Tags tab, and the title and cover in the editor.

Are my files uploaded to a server?

No. Audio and recordings are processed right in your browser and never leave your device. Only the tool itself is downloaded from our server, the same for everyone. More in the privacy policy.