Convert audio
MP3, WAV, OGG, M4A, and FLAC. Powered by FFmpeg running locally in your browser - nothing is uploaded.
Drop an audio file here
or click to browse - files stay on your device
Max file size: 200 MB
About this tool
Convert audio files between MP3, WAV, M4A, FLAC, OGG and more - all in your browser via FFmpeg. Useful for podcasts, voice memos, sample libraries and re-encoding tracks for older devices.
Features
- MP3, WAV, OGG, M4A, FLAC
- Preserves metadata when possible
- Batch convert
How to use it
- Drop your audio files.
- Pick output format.
- Download the converted files.
🔒 100% private
Everything happens inside your browser using JavaScript and WebAssembly. Your files are never uploaded to a server, never stored, and never seen by us.
Frequently asked questions
Which format is best for music?
FLAC for archival (lossless), MP3 320 kbps or AAC 256 kbps for portability.
Are tags / metadata preserved?
Title, artist and album are transferred when both source and target support them.