Extract Audio from Video Offline

Extract MP3 audio from MP4, MOV, AVI, MKV, and WebM videos in your browser

No Upload 100% Private Free

You might also need:

Works Fully Offline in Your Browser

No upload, no cloud processing. Your video stays on your device while FFmpeg.wasm extracts the audio.

1 Select a video file from your device

2 Convert locally and download the MP3

or click to select MP4, MOV, AVI, MKV, or WebM files

Video File Info

Loading video information...

Audio Bitrate

Higher bitrate = better quality but larger file

Sample Rate

Extract specific time range

Start Time (mm:ss)

End Time (mm:ss)

Leave empty to extract entire audio

Duration: -

Video Size: -

Has Audio: Yes

audio.mp3

Duration: -

Audio Size: -

Bitrate: -

Size Reduction: -

Select your video file. It stays on your device - never uploaded to our servers.

FFmpeg.wasm extracts the audio track and converts it to MP3 format.

Get your MP3 file with high-quality audio extracted from your video.

We support MP4, AVI, MOV, MKV, and most video formats that contain audio tracks.

You can choose from multiple bitrates: 320k (highest quality), 192k (standard), 128k (good), and 96k (compressed).

Yes, when using high bitrate settings (320k), the audio quality is preserved very close to the original.