Audio Conversion
Convert MP3 to CAF Online — Free
Fast, free MP3 to CAF converter. No registration required.
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How to Convert
1
Upload your .mp3 file by dragging it into the upload area or clicking to browse.
2
Choose your output settings. The default settings work great for most files.
3
Click Convert and download your .caf file when it's ready.
What is MP3?
MP3 is the most popular audio format worldwide. It uses lossy compression to reduce file size while maintaining acceptable audio quality for most listeners.
Format Details
- Full Name
- MPEG Audio Layer III
- Extension
- .mp3
Key Features
- Universal compatibility
- Small file sizes
- Streaming support
- ID3 tag support
What is CAF?
CAF is Apple's flexible audio container format. It supports any audio codec available in Core Audio and has no file size or duration limits.
Format Details
- Full Name
- Core Audio Format
- Extension
- .caf
Key Features
- Apple native
- No size limit
- Multiple codecs
- Professional audio
MP3 vs CAF
| Feature | MP3 | CAF |
|---|---|---|
| Full Name | MPEG Audio Layer III | Core Audio Format |
| Extension | .mp3 | .caf |
| Best For | Universal compatibility | Apple native |
Frequently Asked Questions
Yes. You can convert up to 5 files per day completely free, with no watermark or registration required.
Most files convert in under 30 seconds. Larger files (over 500MB) may take 1-3 minutes.
No. Our converter uses optimized encoding settings by default to preserve the original quality.
Free users can convert files up to 100MB. Pro users can convert files up to 2GB.
Yes. Our converter works in any modern web browser on any device.