Universal Audio to MP3 Converter
Convert MP3, WAV, FLAC, M4A, AAC, OGG, Opus, and MP4 audio to MP3, WAV, or FLAC locally in your browser with ZIP export for batches.
Drop audio files to convert
Convert MP3, WAV, FLAC, M4A, AAC, OGG, Opus, and MP4 files to MP3, WAV, or FLAC locally in your browser.
Up to 10 files ยท 500 MB total
Questions
Does Universal Audio to MP3 upload my files?
No. Audio conversion runs locally in your browser after the converter engine loads.
Why does the converter need a moment to load?
Utilumo loads MediaBunny first and keeps FFmpeg as a lazy fallback for codec gaps.
Can I convert multiple files?
Yes. Batch conversion is supported with local browser limits to protect performance.
Which audio formats are supported?
The shared converter accepts common audio and MP4 input, then exports MP3, WAV, or FLAC when the browser and local converter engine can read the file.
Does Utilumo upload my input?
No. This tool is designed for local browser processing and does not send your input to a server.
Do I need an account?
No. Utilumo tools are built to work without accounts or sign-in.