Audio/Video to MP3 Converter
Convert video (.mp4, .mkv, .avi) or audio (.wav, .ogg, .m4a) to high-quality MP3 format locally.
🔒 100% Offline & Private
⚡ Runs locally in your browser
🛡️ No server uploads
Drop your audio/video file here
or click to browse from device
Frequently Asked Questions
Is my file data secure?
Yes. This tool does not upload your files to any backend servers. All audio extraction and rendering is processed directly on your local device using high-performance WebAssembly compilers.
Does it support video formats?
Absolutely. You can drop any MP4, MOV, MKV, or AVI video. The tool will parse the video container, drop the video stream, and encode the audio stream straight to a high-quality stereo MP3 file.
Why does the first load take a moment?
The first execution requires fetching the WebAssembly compiled libraries (approx. 30MB) into your browser memory. Once loaded, conversions happen instantly, and subsequent loads are served from browser cache.