Extract audio from a video (MP4 to MP3)
Convert the sound of any video or audio file to MP3, WAV, M4A, OGG or FLAC, with trimming, adjustable quality and volume normalization.
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How to use Extract audio (MP4 to MP3)
Add the video or audio
MP4, WEBM, MOV, MKV, AVI, M4A, OGG, FLAC…
Trim and adjust
Set the start and end on the waveform, listen to the selection and choose format and quality.
Download
Listen to the result and download it.
What makes this tool different
- Very fastUses your browser's own decoder; unusual formats go through FFmpeg.
- Visual trimmingAn audio waveform with adjustable start and end, and a preview.
- Five formatsMP3 from 128 to 320 kbps, M4A (AAC), OGG, and lossless WAV or FLAC.
- Normalize volumeRaise quiet audio without distortion.
Extract audio (MP4 to MP3): what it is for
Extracting the audio from a video is useful for keeping an interview, a lecture, a podcast recorded on video or the music from a clip of your own. CruzForge does it in your browser, without uploading heavy files or waiting in queues.
Frequently asked questions
Is there a length limit?
Short and medium videos are processed instantly. Very long ones (over about an hour) use FFmpeg and depend on your device's memory.
Does it work with phone videos?
Yes, MP4 and MOV files from iPhone and Android are supported.
Can I convert WAV to MP3?
Yes, add any audio file and choose MP3.
Can I download audio from YouTube here?
No. The tool works with files you already have on your device.