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.amr Adaptive Multi-Rate

AMR Converter

AMR is a speech codec made for mobile phones. Older Android and Nokia phones, call recorders and voice-memo apps save recordings as .amr files, which many computers cannot open.

  • No upload — 100% private
  • Fast, lossless when possible
  • Free & unlimited
  • Works on iPhone & Android

    Quality
    Advanced options
    Trim (optional)
    Use minutes:seconds, e.g. 1:05.5

    AMR at a glance

    Full nameAdaptive Multi-Rate
    TypeAudio
    CompressionLossy (compressed)
    Developed by3GPP / Ericsson
    Introduced1999
    File extension.amr
    Plays on iPhone✕ No
    Plays on Android✓ Yes
    Plays on Windows◐ Partly / with an app
    Plays on Mac✕ No

    AMR is best for call recordings and voice memos from older phones.

    Convert AMR to…

    AMR to MP3AMR to M4AAMR to M4RAMR to AACAMR to ALACAMR to WAVAMR to FLACAMR to OGGAMR to OPUSAMR to WEBAAMR to WMAAMR to AIFFAMR to AC3AMR to CAF

    Frequently asked questions

    What is a .amr file?
    AMR is a speech codec made for mobile phones. Older Android and Nokia phones, call recorders and voice-memo apps save recordings as .amr files, which many computers cannot open.
    How do I open a AMR file?
    On a computer, VLC Media Player opens almost any .amr file. On phones, the quickest fix is to convert it to MP3 or M4A above. Those formats play in every music app.
    Can I convert AMR for free?
    Yes. The converter on this page is free and unlimited, and it works without uploading anything.