What does MP4 to MP3 do?
Convert MP4 videos to MP3 audio files at your chosen bitrate.
MP4 to MP3 accepts MP4, M4V and MOV files, and produces MP3 output.
Your MP4, M4V and MOV files are processed locally in your browser — they are never uploaded to our servers.
How to use MP4 to MP3
- 1Drag and drop your file onto the upload area, or click “Choose file”.
- 2Adjust the mp4 to mp3 settings to suit your needs.
- 3Click the main action button and wait a moment while it is processed on your device.
- 4Preview the result and download your MP3 file.
Supported formats
- Input
- MP4M4VMOV
- Output
- MP3
Frequently asked questions
Is MP4 to MP3 free?
Yes. MP4 to MP3 is completely free with no sign-up and no watermarks.
Are my files uploaded?
Your MP4, M4V and MOV files are processed locally in your browser — they are never uploaded to our servers.
Is there a file size limit?
Free usage supports files up to 500 MB. Because processing happens on your device, very large files depend on your device's available memory.