Convert CAF to AAC
CAF is great for iOS app sounds and Apple developer workflows, but AAC is the better choice for efficient music files and broadcast audio. Convert CAF to AAC in seconds, right in your browser.
- No upload — 100% private
- Fast, lossless when possible
- Free & unlimited
- Works on iPhone & Android
Keep this tab open — the conversion runs on your device, nothing is uploaded.
Add more files above to keep converting.
How to convert CAF to AAC
- 1
Tap Choose files and select one or more CAF files (or drag them in).
- 2
Check that AAC is selected. Use Advanced options for bitrate, channels or trimming.
- 3
Press Convert. Everything happens on your device — no upload, no waiting in a queue.
- 4
Your AAC downloads automatically. Converting several files? Grab them all as a ZIP.
CAF vs AAC
AAC uses lossy compression, which makes the file much smaller than CAF. Choose High quality and the difference is inaudible for most listeners.
| CAF | AAC | |
|---|---|---|
| Full name | Core Audio Format | Advanced Audio Coding (raw ADTS) |
| Type | Audio | Audio |
| Compression | Lossless | Lossy |
| Developed by | Apple | MPEG |
| Introduced | 2005 | 1997 |
| Plays on iPhone | ✓ Yes | ✓ Yes |
| Plays on Android | ✕ No | ✓ Yes |
| Plays on Windows | ✕ No | ✓ Yes |
| Plays on Mac | ✓ Yes | ✓ Yes |
About CAF and AAC
CAF: CAF is Apple's flexible audio container used inside iOS and macOS apps and by GarageBand. Files can be any length and hold many codecs.
AAC: AAC is the successor to MP3 and the audio codec behind YouTube, iTunes and most streaming services. A .aac file stores the raw AAC stream without an MP4 wrapper.
Frequently asked questions
How do I convert CAF to AAC on my phone?
Will converting CAF to AAC reduce quality?
Is this CAF to AAC converter free?
Are my files uploaded to a server?
Rate this tool
Be the first to rate it.
Thanks for rating! ❤️