MP4 to MP3 Converter
Rip the audio track from any MP4 video
How to convert MP4 to MP3
- 1.Upload your MP4 video file.
- 2.Click "Extract Audio" to begin processing.
- 3.Wait for the conversion — progress is shown below.
- 4.Download your MP3 audio file.
About This Tool
Uses FFmpeg WebAssembly to extract and re-encode the audio track from your video into a high-quality MP3 file. The video stream is discarded. All processing happens locally in your browser.
Frequently Asked Questions
Browser memory is the limit. Videos up to a few hundred MB typically work fine. Very large files may run slowly or fail.
The tool uses variable bitrate quality level 2 (~190 kbps), which provides near-transparent audio quality for most content.
FFmpeg is running in WebAssembly inside your browser, which is slower than native. Larger files take longer, but your data stays private.