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.mp3 MPEG-1 Audio Layer III

MP3 Converter

MP3 is the most widely supported audio format in the world. It uses lossy compression to make music and voice files small enough to share, while keeping quality good enough for everyday listening.

  • 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

    MP3 at a glance

    Full nameMPEG-1 Audio Layer III
    TypeAudio
    CompressionLossy (compressed)
    Developed byFraunhofer IIS
    Introduced1993
    File extension.mp3
    Plays on iPhone✓ Yes
    Plays on Android✓ Yes
    Plays on Windows✓ Yes
    Plays on Mac✓ Yes

    MP3 is best for sharing music, podcasts and ringtones that play on every device.

    Convert MP3 to…

    MP3 to M4AMP3 to M4RMP3 to AACMP3 to ALACMP3 to WAVMP3 to FLACMP3 to OGGMP3 to OPUSMP3 to WEBAMP3 to WMAMP3 to AIFFMP3 to AC3MP3 to CAF

    Convert to MP3 from…

    M4A to MP3M4R to MP3AAC to MP3ALAC to MP3WAV to MP3FLAC to MP3OGG to MP3OPUS to MP3WEBA to MP3WMA to MP3AIFF to MP3AC3 to MP3CAF to MP3AMR to MP33GA to MP3APE to MP3MP4 to MP3MOV to MP3MKV to MP3WEBM to MP3AVI to MP3FLV to MP3WMV to MP33GP to MP3M4V to MP3MPG to MP3TS to MP3GIF to MP3MTS to MP3VOB to MP3HEVC to MP3RMVB to MP3

    Frequently asked questions

    What is a .mp3 file?
    MP3 is the most widely supported audio format in the world. It uses lossy compression to make music and voice files small enough to share, while keeping quality good enough for everyday listening.
    How do I open a MP3 file?
    On a computer, VLC Media Player opens almost any .mp3 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 MP3 for free?
    Yes. The converter on this page is free and unlimited, and it works without uploading anything.