Convert MP4 to MP3
Free, fast MP4-to-MP3 conversion.
Video and audio are processed with ffmpeg in your browser — large files are slow and use a lot of memory. Keep files under a few hundred MB for best results.
About the MP4 and MP3 formats
MP4. MP4 is the most widely-supported video container, ideal for sharing and streaming.
MP3. MP3 is the universal lossy audio format, compatible with virtually every device.
Frequently asked questions
How do I convert MP4 to MP3?
Drop your MP4 files into the box above and click Convert. The MP3 file is generated instantly and ready to download.
Will the quality stay the same?
MP3 keeps full quality, so your converted file looks identical to the original.
Is MP4 to MP3 conversion free?
Completely free, with no sign-up, watermarks or file-size paywalls.