AIFF to M4A on iPhone
Convert AIFF to M4A on your iPhone. No app to download. Open your browser, drop your file, and convert. Done in seconds.
Drop your AIFF file here or click to browse
AIFF (.aiff) · Max 20 MB
Open AudioUtils in Safari on iOS. The converter works on iPhone 8 and newer. No App Store download needed. AudioUtils uses WebAssembly to run the conversion engine locally. Your audio stays on your device.
On iPhone, converted files save to your Files app. Tap the download link and choose where to save.
AIFF is lossless. Converting to M4A reduces file size at the cost of some audio data. Use a high bitrate to minimize loss. The output is identical regardless of which device or browser you use.
Frequently Asked Questions
How much smaller will the M4A be compared to AIFF?
About 85-90% smaller. A 50MB AIFF file typically becomes 5-7MB as M4A at 256kbps.
Will I lose audio quality?
AAC is a lossy codec, so some compression happens. At 256kbps, the difference from the AIFF original is nearly imperceptible in normal listening.
Can I play M4A on non-Apple devices?
Yes. Android supports M4A natively, and most modern media players handle it fine.
About AIFF
Apple's uncompressed format. Similar to WAV but with better metadata support. Used in professional Mac audio workflows.
About M4A
Apple's preferred audio format. Better quality than MP3 at same bitrate. Default for iTunes and Apple devices.