Convert WAV to MP3, M4A to MP3, FLAC to MP3, AAC, OGG, Opus online free
The audio converter works like this: it converts audio between MP3, WAV, AAC, OGG and FLAC formats with bitrate options, via WebAssembly FFmpeg. Everything happens on your device - the input never leaves your tab unless the tool clearly states it performs a server-side lookup.
| Input | Result |
|---|---|
| FLAC 30 MB | MP3 320kbps ~11 MB or 128kbps ~4.4 MB |
Audio and video processing runs on your device with WebAssembly FFmpeg; your files are never uploaded.
FLAC is already compressed lossless - converting FLAC to anything lossy (MP3/AAC) permanently discards detail.
MP3, WAV, AAC, OGG and FLAC in any combination, with bitrate options for the lossy targets.
For archival of lossless sources - FLAC keeps every sample intact. Converting a lossy MP3 to FLAC does not restore quality; it only makes the file bigger.
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