Audio Format Converter

Convert audio to MP3 / WAV / M4A / AAC / OGG / Opus / FLAC with optional bitrate. Processed in your browser — never uploaded.

Click to choose an audio file, or drag it here

Supports MP3 / WAV / M4A / AAC / OGG / FLAC / Opus / WMA, etc.

Max file size is 2GB. Larger files may process slowly — compress first if needed.

The first run loads an ~30MB FFmpeg engine from CDN, then it is cached. Lossy↔lossy re-encodes. In-browser Opus uses 24 kHz (engine limit); FLAC is 16-bit.