Back
Video → Audio Extractor
Extract MP3/WAV locally. Nothing leaves your browser.
Loading FFmpeg core...
No upload. Everything runs locally in your browser.
This tool uses ffmpeg.wasm. Package licenses in this project include @ffmpeg/ffmpeg (MIT) and @ffmpeg/core (GPL-2.0-or-later).
Video to Audio Extractor: Guide
- Intent
- Extract audio from video online: convert MP4/MOV to MP3 or WAV in your browser. A fast way to get audio without installing FFmpeg.
- What it does
- Uses FFmpeg in your browser to remove the video track and export audio as MP3 (chosen bitrate) or WAV.
- Key features
- MP3 (128/192/256k) or WAV, Progress indicator, Rights confirmation gate
- Privacy
- Your video stays on your device. This page downloads the FFmpeg WebAssembly engine; files are never uploaded.
- Best for
- Pulling a voice track from a screen recording or webinar
- Getting audio from a clip so you can edit it in a DAW or share it as MP3
- Anyone searching 'mp3 from mp4 online' or 'extract audio from video'
- Why this tool
- Local-first FFmpeg processing: video stays on your device
- Quick conversion without command line tools
- Choose MP3 for smaller files or WAV for lossless editing
How to use
- 1Confirm you have the rights to process the video (checkbox).
- 2Choose a video file (drag & drop or click).
- 3Pick MP3 (smaller) or WAV (lossless). For MP3, choose the bitrate.
- 4Click Extract audio and download the output.
Common mistakes
- Forgetting to check the rights confirmation box (file picking is disabled until you agree).
- DRM-protected videos often cannot be processed (and should not be).
- Very large files may take a long time or crash the browser tab.
Examples
Webinar -> MP3 (recommended)
Input: webinar.mp4
Format: MP3
Quality: 192k
Output: webinar_audio_YYYYMMDDHHMM.mp3
Lossless export for editing
Input: interview.mov
Format: WAV
Output: a large WAV suited for DAWs/editors.