Bulk CAF to AAC Converter Online — Free HD Quality
Drag and drop your multiple CAF files into this 100% free online CAF to AAC converter (.caf to .aac), and click the Convert button to bulk convert them to AAC format in HD quality. Use the quality slider to fine-tune your AAC 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:Batch process AIFC to MP3.
Drop your CAF files here to convert to AAC, or click to browse
Converts .caf to AAC (.aac) in HD quality — bulk, free, no signup
Choose FilesCAF vs AAC — File Format Comparison
See how CAF and AAC compare across file extension, MIME type, compression, and feature support. Related:Online AIFC to AIFF converter tool.
| Feature | CAF | AAC |
|---|---|---|
| File Extension | .caf | .aac |
| MIME Type | audio/x-caf | audio/aac |
| 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. See also:Simple M4R to AAC tool.
- Compression: Lossless
- Tags & Metadata: Supported
What Is AAC Format?
Advanced Audio Coding — the successor to MP3 adopted by Apple, YouTube, and mobile platforms; delivers better quality than MP3 at the same bitrate, especially below 128 kbps.
- Compression: Lossy
- Tags & Metadata: Supported