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.opus.m4a
Convert Opus to M4A (AAC)
Convert Opus (.opus) to M4A (AAC) (.m4a) for free, right in your browser. No upload, no sign-up: your files never leave your device.
About Opus to M4A (AAC) conversion
This tool converts Opus files to M4A (AAC) entirely on your device. The conversion runs locally in your browser using WebAssembly, so your audio files are never uploaded to a server.
Opus is a modern open audio codec that sounds great at low bitrates, used for voice and streaming.
M4A is AAC audio in an MP4 container, the standard format for iTunes and Apple devices.