Web Audio Demuxer
Extract Audio from Video in Local RAM
Strip pristine audio tracks from MP4, WebM, and MOV video recordings right in your browser with zero server uploads.
Drop your video files here (MP4, WebM, MOV)
Instantly extracts studio-grade MP3/WAV audio with 0ms network latency.
0 Cloud Egress WebAssembly V8 Parallel Batch
Lossless Sound Extraction
Decodes original audio streams with full dynamic range preservation.
Hardware Accelerated
Leverages your local multi-core CPU and Web Audio API for fast encoding.
100% Private Media
Large video files never upload over slow networks — processed entirely on device.