How to Convert MP4 to MP3 (Extract Audio from a Video)
You have an MP4 video but only want the sound — a song, a podcast, a talk? Converting MP4 to MP3 means extracting the video’s audio track and saving it as a small file that plays on any device. Here’s how, with no software to install.
What does this conversion actually do?
An MP4 file holds (at least) two tracks: video and audio. Converting to MP3 keeps only the audio and re-encodes it as MP3 — a compressed, universally compatible audio format. The video is dropped, so the resulting file is much smaller.
Convert MP4 to MP3, step by step
1. Add your MP4 file to the drop zone.
2. Make sure the output format is MP3.
3. Start the conversion and wait a few seconds.
4. Download your MP3 file.
Should you expect quality loss?
MP3 is a compressed (lossy) format. Extraction can’t add quality — at best it preserves the original audio track. For everyday use (listening, sharing, podcasts), the difference is inaudible.
Common use cases
Grab the music from a clip, extract the audio from a filmed interview or talk, turn a video into a podcast episode, or simply shrink a file to email it.
What about your files’ privacy?
The conversion runs over an encrypted connection and your files are used only to perform the requested operation. See our privacy policy for details on retention and deletion.