audio/*
audio/mpeg
File extensions: .mp3
MPEG-1 Audio Layer III — the universal music format.
What is audio/mpeg?
audio/mpeg identifies MP3 audio — the most widely supported compressed audio format on the web. Every browser, phone, and audio player can play MP3 without additional codecs.
Typical usage
Music streams, podcasts, voice recordings, ringtones.
HTTP header example
Response header
Content-Type: audio/mpegReference
RFC 3003
Frequently asked questions
What is the audio/mpeg MIME type?
audio/mpeg identifies MP3 audio — the most widely supported compressed audio format on the web. Every browser, phone, and audio player can play MP3 without additional codecs.
What file extension does audio/mpeg use?
Files served as audio/mpeg typically use the extension .mp3. The most common is .mp3.
How do I set the Content-Type for audio/mpeg?
Send the HTTP response header Content-Type: audio/mpeg. Music streams, podcasts, voice recordings, ringtones.
Is audio/mpeg an official MIME type?
Yes. audio/mpeg is officially registered with IANA (RFC 3003), so standards-conformant clients recognize it.