How to Extract Audio from Video as MP3 (In Your Browser, No Upload)

Sometimes you want to listen to a lecture on the go, or keep only the spoken audio from a meeting recording. Video files are usually big, but if you only need the sound, a single MP3 is plenty. Most online converters upload that whole large video to a server to process it — which is slow just to upload, and uncomfortable if it's a sensitive recording. Do it inside the browser and the video never leaves your device, yet you still get the audio out.

Pulling audio from a video as MP3

1. 1Drop your video (MP4, WEBM, MOV, and so on) into the video converter.
2. 2Choose MP3 (or M4A) as the target — it's labeled as audio extraction.
3. 3Run it, and the picture is dropped while a sound-only file is saved.

Extracting music or a song from a video

This isn't only for speech. To keep the music from a music video, save a background track, or get a song out of a clip, the same steps work — pick MP3 for a widely compatible music file, or M4A for slightly better quality at the same size. Only the audio is pulled out, with no video re-encoding to wait on.

Why extracting is faster than converting

Converting a video to another video format means every frame has to be redrawn, which takes a while. Pulling out only the sound simply lifts the audio track that's already inside the file — no re-encoding of the picture. So audio extraction finishes relatively quickly even on a multi-gigabyte video.

When you'd use this

• •Keep only the sound of a lecture or webinar recording to listen on your commute.
• •Turn a meeting recording into audio, then feed it to auto-transcribe for minutes.
• •Strip the unneeded video from an interview or podcast master to save space.

Why in-browser processing helps

• •Large videos are never uploaded to a server, so it's fast and nothing can leak.
• •No sign-up, no software to install.
• •Once loaded, it works even with no internet connection.