Convert Core Audio Format (.caf) to iPad Audio (.ipad-audio) online for free. Fast, secure audio conversion with no watermarks or registration.
Upload your .caf file by dragging it into the upload area or clicking to browse.
Choose your output settings. The default settings work great for most files.
Click Convert and download your .m4a file when it's ready.
CAF is Apple's professional audio container native to macOS Core Audio. iPad Audio produces AAC in M4A optimized for iPad's A-series and M-series processors, which include dedicated AAC hardware decoders in their always-on audio processing unit. While iPad can handle some CAF files through Core Audio compatibility, explicit conversion to AAC ensures reliable playback across all iPadOS applications.
From lossless CAF sources (PCM/ALAC), the iPad-optimized AAC encoding receives perfect PCM for optimal quality. If the CAF already contains AAC, a stream copy may transfer the audio without re-encoding.
CAF files are not universally supported across iPadOS applications. While some Apple apps can read CAF, third-party apps, email attachments, and web-based audio players cannot. Converting to iPad-optimized AAC in M4A ensures universal iPadOS compatibility with hardware-accelerated decoding.
The iPad's AAC hardware decoder consumes minimal battery — critical for extended listening sessions during travel or study. Converting CAF to iPad Audio creates files optimized for the hardware decode path.
FFmpeg reads the CAF container and either copies the AAC stream directly (if already AAC) or decodes to PCM and encodes as AAC-LC at 256 kbps within M4A. The M4A container includes Apple-compatible ftyp atoms for native iPadOS recognition. The -movflags +faststart flag enables immediate playback.
Stream copy from AAC-in-CAF preserves exact quality. From lossless CAF (PCM/ALAC), AAC at 256 kbps provides transparent quality for most listeners. iPad's high-quality audio output reveals the encoding quality faithfully.
| Device | CAF | iPad Audio |
|---|---|---|
| Windows PC | Partial | Partial |
| macOS | Partial | Partial |
| iPhone/iPad | Partial | Partial |
| Android | Partial | Partial |
| Linux | Partial | Partial |
| Web Browser | No |
Resolution: N/A
Bitrate: 320 kbps
OGG Vorbis preferred
Resolution: N/A
Bitrate: 256 kbps
AAC format required
Resolution: N/A
Bitrate: 128 kbps
Lossless FLAC/WAV for best quality
Resolution: N/A
Bitrate: 128 kbps
MP3 mono for spoken word
CAF to iPad Audio converts macOS professional format into iPadOS-native AAC with hardware-accelerated decoding and universal app compatibility.
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| No |
| Funktion | CAF | iPad Audio |
|---|---|---|
| Fullstandigt namn | Core Audio Format | iPad Compatible Audio |
| Filandelse | .caf | .m4a |
| Bast for | Apple native | iPad optimized |