MP4 to MP3 Converter
Convert MP4 and other videos to MP3 purely in the browser using ffmpeg.wasm.
MP4 to MP3 Converter
Extract high-quality MP3 audio from your MP4, WebM, or MOV videos directly in the browser. No uploads, no wait times, and everything stays on your device.
Runs offline in your browser
The first conversion downloads the FFmpeg WebAssembly core (~27 MB). Subsequent runs are instant because the binary stays cached locally.
Drag & drop or click to upload MP4, WebM, OGG, MKV, or MOV files (max 200MB)
VIDEO/MP4, VIDEO/WEBM, VIDEO/OGG, VIDEO/X-MATROSKA, VIDEO/QUICKTIME • Max 200MB per file
How to Use
1
Upload your MP4 (or compatible video) by dragging it into the dropzone.
2
Click 'Convert to MP3' to load FFmpeg and extract the audio track.
3
Download the MP3 file instantly once processing completes.
Frequently Asked Questions
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