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.mp3

MPEG-1 Audio Layer III

Commonly known as MP3

Standard technology for audio compression, universal support. developed by Fraunhofer Society and released in 1993, it has become a standard for Music players, Web audio, Podcasts.

Key Features

  • Universal support
  • Small file size
  • Adjustable bitrate

Limitations

  • Lossy compression
  • Not gapless playback

When to use MP3?

The MP3 format is ideal for Music players, Web audio, Podcasts. Its MIME type is audio/mpeg.

How to open .mp3 files

  1. macOS: Use native Preview/Quick Look or import into professional apps that support MP3.
  2. Windows: Open via Photos, Media Player, or dedicated editors by enabling the relevant codec pack.
  3. Browser: Drag the file into FileConvert to transform it into a universally supported alternative before sharing.

Popular Conversions

Convert MP3 to...

MP3 to WAV
MP3 to AAC
MP3 to OGG

Convert to MP3

MP4 to MP3
WebM to MP3
AVI to MP3
MOV to MP3
MKV to MP3
FLV to MP3

FAQs about MP3

How do I open a .mp3 file?

You can open MP3 files with native tools on Mac, Windows, and Linux or convert them for free using FileConvert.

Is MP3 still relevant in 2025?

MP3 remains essential for Music players thanks to its universal support benefit.

How do I convert MP3 into other formats?

Visit our MP3 conversion directory to switch between MPEG-1 Audio Layer III and 200+ alternatives without uploading files.