Convert M4A to AAC
Upload an M4A file and convert it to AAC — all in your browser.
Your file never leaves your device. All processing happens right in your browser, and nothing is uploaded to a server.
Upload an M4A file and convert it to AAC — all in your browser.
Your file never leaves your device. All processing happens right in your browser, and nothing is uploaded to a server.
M4A is AAC audio inside an MP4 container, and this tool simply lifts the stream out into a raw ADTS .aac file. The audio is copied bit-for-bit: no decoding, no quality change, and near-instant completion regardless of length.
This is a technical conversion. HLS packagers, broadcast encoders, and some embedded systems consume ADTS streams directly rather than MP4 files. If you are feeding such a pipeline from M4A sources, this gets you the exact stream without a wasteful decode-encode cycle.
For normal listening or sharing, stay with M4A: the raw stream loses tag and artwork support.