Convert to MP3

Convert audio and video files to MP3 online, for free, with nothing to install.

MP4, MOV, MKV, AVI and 42 other audio or video file formats can be converted to MP3: drop your files above, and MP3 is already chosen as the output. Files are converted on our server and deleted 72 hours later.

What is an MP3 file?

MP3 – MP3 audio. MP3 is the most widely played audio format: music compressed to about a tenth of its size, which every phone, player and car stereo plays. Converting makes a new file: the sound is decoded and written again, so converting from a lossy format never brings back what was lost.

How to convert audio or video files to MP3

  1. Click Select File, or drop your audio or video files anywhere on this page. Any of the 46 supported formats works.
  2. MP3 is already chosen as the output on this page.
  3. Click Convert, then Download when it's done.

MP3 at a glance

MP3
LayoutA stream of sound
EditableIn audio editors
Created byFraunhofer, 1993
Best forMusic on any device

Frequently asked questions

Why convert to MP3?

MP3 is the most widely played audio format: music compressed to about a tenth of its size, which every phone, player and car stereo plays. Converting makes a new file: the sound is decoded and written again, so converting from a lossy format never brings back what was lost. Best for: Music on any device.

Which audio or video file formats can be converted to MP3?

GIF, WEBP, 3G2, 3GP, 3GPP, AAC, AC3, AIF, AIFC, AIFF, AMR, AU, AVI, CAF, DV, DVR, FLAC, FLV, M2TS, M4A, M4B, M4V, MKV, MOD, MOV, MP4, MPEG, MPG, MTS, MXF, OGA, OGG, OGV, OPUS, RM, RMVB, SWF, TS, VOB, VOC, WAV, WEBA, WEBM, WMA, WMV, DAT.

Is converting to MP3 free?

Yes. Everyone gets 25 free credits a day, with no account needed. Conversions on our server use one credit per started minute of work, so most cost a single credit. Credits reset at midnight UTC.

Are my audio or video files uploaded anywhere?

These conversions run on our server, because they need ffmpeg, which does not run in a browser. Your file is sent over an encrypted connection, and both it and the result are deleted 72 hours after the conversion. The server has no internet access while it works on your file.

Convert to MP3 from

All audio formats

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