Bulk CAF to M4A Converter Online — Free HD Quality
Drag and drop your multiple CAF files into this 100% free online CAF to M4A converter (.caf to .m4a), and click the Convert button to bulk convert them to M4A format in HD quality. Use the quality slider to fine-tune your M4A output, then download your converted files one by one or as a single ZIP — no signup and no downloads needed, and your original CAF files are removed from our servers right after. Also see:Convert AAC to WAV free.
Drop your CAF files here to convert to M4A, or click to browse
Converts .caf to M4A (.m4a) in HD quality — bulk, free, no signup
Choose FilesCAF vs M4A — File Format Comparison
See how CAF and M4A compare across file extension, MIME type, compression, and feature support. Related:FLAC to MP2 - free, no signup.
| Feature | CAF | M4A |
|---|---|---|
| File Extension | .caf | .m4a |
| MIME Type | audio/x-caf | audio/mp4 |
| Compression Type | Lossless | Lossy |
| Metadata Support | Yes | Yes |
What Is CAF Format?
Core Audio Format — Apple's flexible container for macOS and iOS supporting any codec (AAC, ALAC, PCM, MP3) with no file-size limit, used internally by Xcode, Logic Pro, and macOS system sounds.
- Compression: Lossless
- Tags & Metadata: Supported
What Is M4A Format?
MPEG-4 Audio — AAC audio in an MP4 container, the standard format for Apple Music, iTunes purchases, and iPhone voice memos, offering better quality than MP3 at equivalent bitrates.
- Compression: Lossy
- Tags & Metadata: Supported