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WASM Multi-Format Audio Converter
Media ProConvert audio between MP3, AAC, M4A, OGG, WAV, and FLAC using ffmpeg.wasm — batch-quality transcoding with bitrate control, entirely in your browser.
100% client-side
Upload audio
MP3, WAV, OGG, M4A, AAC, FLAC, WebM — processed locally via ffmpeg.wasm
Drop audio file here or click to browse
First run downloads ~30 MB engine — cached for later
Output format
Universal playback — best for sharing
Quality
🔒 Your audio never leaves this device — ffmpeg.wasm runs entirely in your browser.