Audio Extractor
Pull the audio track out as MP3 / WAV / AAC. Useful when you want music, voice, or SFX from a video.
What this tool does
- MP3 / WAV / AAC output
- In-browser preview before download
- Local processing
How to use
- 1
Pick a video
MP4 / MOV / MKV.
- 2
Pick format
MP3 (universal), WAV (lossless), AAC (efficient).
- 3
Extract
Preview then download.
What each setting means
Recommended settings
Common pitfalls
Symptom: Output too quiet
Cause: Source recording is quiet.
Fix: Run the Volume Normalizer.
Symptom: One-sided audio
Cause: Mono / unusual channel layout.
Fix: Extract as WAV and fix in an audio editor.
Symptom: MP3 too big
Cause: Set to 320kbps.
Fix: 128kbps is half the size.
Equivalent FFmpeg commands
Reference commands you can run on the desktop FFmpeg CLI.
ffmpeg -i input.mp4 -vn -c:a libmp3lame -b:a 128k output.mp3ffmpeg -i input.mp4 -vn -c:a pcm_s16le output.wavffmpeg -i input.mp4 -vn -c:a aac -b:a 128k output.m4aBrowser support & limits
- First audio track only
- Up to 500MB input
Privacy
This tool runs ffmpeg.wasm directly in your browser. Files never leave your device — everything runs locally. Read the privacy policy →
Frequently asked questions
Copyrighted music?
Personal use is generally fine; redistributing or publishing usually requires rights clearance.
Multiple audio tracks?
Currently extracts the first track. Use FFmpeg directly for multi-track selection.