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.m4a.aac
Convert M4A (AAC) to AAC (ADTS)
Convert M4A (AAC) (.m4a) to AAC (ADTS) (.aac) for free, right in your browser. No upload, no sign-up: your files never leave your device.
About M4A (AAC) to AAC (ADTS) conversion
This tool converts M4A (AAC) files to AAC (ADTS) entirely on your device. The conversion runs locally in your browser using WebAssembly, so your audio files are never uploaded to a server.
M4A is AAC audio in an MP4 container, the standard format for iTunes and Apple devices.
AAC is a lossy audio codec that offers better quality than MP3 at the same bitrate.
Learn more about M4A (AAC) and AAC (ADTS).