Bulk AAC to CAF Converter Online — Free HD Quality
Drag and drop your multiple AAC files into this 100% free online AAC to CAF converter (.aac to .caf), and click the Convert button to bulk convert them to CAF format in HD quality. Use the quality slider to fine-tune your CAF output, then download your converted files one by one or as a single ZIP — no signup and no downloads needed, and your original AAC files are removed from our servers right after. Also see:How to convert FLAC to AAC?.
Drop your AAC files here to convert to CAF, or click to browse
Converts .aac to CAF (.caf) in HD quality — bulk, free, no signup
Choose FilesAAC vs CAF — File Format Comparison
See how AAC and CAF compare across file extension, MIME type, compression, and feature support. Related:Convert multiple AAC to AIFC at once.
| Feature | AAC | CAF |
|---|---|---|
| File Extension | .aac | .caf |
| MIME Type | audio/aac | audio/x-caf |
| Compression Type | Lossy | Lossless |
| Metadata Support | Yes | Yes |
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. See also:Mass AAC to ALAC conversion.
- Compression: Lossy
- Tags & Metadata: Supported
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