Citrus Get Citrus Convert M4A (AAC) to CAF on Mac, offline
Need to turn a .m4a file into CAF? Citrus converts M4A (AAC) to CAF right on your Mac, offline, using Apple's own engines. Nothing is uploaded to any server, which matters for client work, private photos and contracts.
What to expect
M4A (AAC) is already lossy, so converting to CAF will not bring back quality. Use it for compatibility or editing, expect a bigger file. Choose the sample rate (44.1, 48, 88.2, 96 kHz and more) and bit depth (16 or 24) in Citrus. How to convert M4A (AAC) to CAF
Open Citrus from the menu bar (the citrus slice icon). Drop your .m4a file, or several, into the window. You can also drag a file onto the menu bar icon to open the quick wheel. Choose CAF as the output format and adjust options if you want, like size, quality or resolution. Press Convert. Your new files appear next to the originals, and the originals are never changed. About the formats
M4A (AAC): M4A with AAC is the compact lossy audio format used by iPhone, Apple Music and most devices.
CAF: CAF is Apple's Core Audio Format, a flexible container used by Logic and system tools.
Frequently asked questions
Is my file uploaded anywhere? No. Citrus runs entirely on your Mac. Files are read and written locally and never sent to a server.
Can I convert many M4A (AAC) files at once? Yes. Drop a whole batch into Citrus and convert them all to CAF in one go. Originals are never changed.
Does Citrus need an internet connection to convert M4A (AAC) to CAF? No. It works fully offline after you download it.
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