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Convert AMR to M4A

Free online AMR-to-M4A converter — upload a AMR file and download a M4A. Fast, private, no signup.

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AMR vs M4A

AMR

Adaptive Multi-Rate — speech codec used by phones; convert-from only.

About AMR ↗

M4A

MPEG-4 audio container (AAC/ALAC).

About M4A ↗

AMR to M4A: frequently asked questions

How do I convert AMR to M4A?

Drop your AMR file into the converter above — we auto-detect the real format from its bytes, convert it, and give you a M4A to download. No software to install.

Is the AMR to M4A converter free?

Yes. Convert AMR to M4A for free right in your browser, with no account needed to get started.

Is it safe and private?

Your file is transferred over an encrypted connection and anonymous uploads are temporary. You can also view and strip metadata (location, device, author) before you download.

What's the difference between AMR and M4A?

Adaptive Multi-Rate — speech codec used by phones; convert-from only. MPEG-4 audio container (AAC/ALAC).

Related conversions

Convert AMR to: MP3 · WAV · FLAC · AAC · AC3 · AIFF · M4B · M4R · OGG · OPUS

Convert to M4A from: AAC · AC3 · AIFF · APE · FLAC · M4B · M4R · MP3 · OGG · OPUS

Browse all supported formats →