AMR Audio — A .amr file is a AMR Audio. It is an audio format used to store music, voice and sound effects, either lossy or lossless.
Quick facts
What is .amr
A .amr file is a AMR Audio. It is an audio format used to store music, voice and sound effects, either lossy or lossless.
In the mime-db registry it maps to audio/amr. When serving .amr over HTTP, set the Content-Type header as shown in Developer info below.
Related entities: it maps to audio/amr — and is delivered over HTTP via the Content-Type header.
How to open .amr files
Developer info
When served over HTTP, responses should set the following header:
Content-Type: audio/amr
Common software that reads/writes .amr:
Relation chain
Related extensions
Related MIME types
Common uses
How to edit .amr files
How to create .amr files
Frequently asked questions
Common options include VLC, Windows Media Player, Audacity. You can also open many of these files with built-in viewers or a browser.
Create a new file in any text editor or the app that owns the format and save it with the .amr extension.
audio/amr is the media type identifier used for .amr files during network transfer (for example in the HTTP Content-Type header).
Sources & standards
Updated 2026-08-18
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