Convert CAF to AC3
CAF is great for iOS app sounds and Apple developer workflows, but AC3 is the better choice for home theatre and surround sound. Convert CAF to AC3 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 AC3
- 1
Tap Choose files and select one or more CAF files (or drag them in).
- 2
Check that AC3 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 AC3 downloads automatically. Converting several files? Grab them all as a ZIP.
CAF vs AC3
AC3 uses lossy compression, which makes the file much smaller than CAF. Choose High quality and the difference is inaudible for most listeners.
| CAF | AC3 | |
|---|---|---|
| Full name | Core Audio Format | Dolby Digital (AC-3) |
| Type | Audio | Audio |
| Compression | Lossless | Lossy |
| Developed by | Apple | Dolby Laboratories |
| Introduced | 2005 | 1991 |
| Plays on iPhone | ✓ Yes | ◐ Partly / with an app |
| Plays on Android | ✕ No | ◐ Partly / with an app |
| Plays on Windows | ✕ No | ✓ Yes |
| Plays on Mac | ✓ Yes | ✓ Yes |
About CAF and AC3
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.
AC3: AC3 is Dolby Digital surround sound, used on DVDs, Blu-rays and TV broadcasts. It supports up to 5.1 channels.
Frequently asked questions
How do I convert CAF to AC3 on my phone?
Will converting CAF to AC3 reduce quality?
Is this CAF to AC3 converter free?
Are my files uploaded to a server?
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