Bulk MIDI to CAF Converter Online — Free HD Quality
Drag and drop your multiple MIDI files into this 100% free online MIDI to CAF converter (.midi 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 MIDI files are removed from our servers right after. Also see:Online AIF to M4A converter tool.
Drop your MIDI files here to convert to CAF, or click to browse
Converts .midi to CAF (.caf) in HD quality — bulk, free, no signup
Choose FilesMIDI vs CAF — File Format Comparison
See how MIDI and CAF compare across file extension, MIME type, compression, and feature support. Related:Convert MIDI files to ALAC in queue.
| Feature | MIDI | CAF |
|---|---|---|
| File Extension | .midi | .caf |
| MIME Type | audio/midi | audio/x-caf |
| Compression Type | Varies | Lossless |
| Metadata Support | Yes | Yes |
What Is MIDI Format?
MIDI File (long extension) — the .midi variant of the MIDI format carrying the same musical note-event data as .mid; synthesised to audio via fluidsynth with a General MIDI soundfont at 44100 Hz.
- Compression: Varies
- 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