Bulk M4B to WAVE Converter Online — Free HD Quality
Drag and drop your multiple M4B files into this 100% free online M4B to WAVE converter (.m4b to .wave), and click the Convert button to bulk convert them to WAVE format in HD quality. Use the quality slider to fine-tune your WAVE output, then download your converted files one by one or as a single ZIP — no signup and no downloads needed, and your original M4B files are removed from our servers right after. Also see:Bulk convert APE to FLAC.
Drop your M4B files here to convert to WAVE, or click to browse
Converts .m4b to WAVE (.wave) in HD quality — bulk, free, no signup
Choose FilesM4B vs WAVE — File Format Comparison
See how M4B and WAVE compare across file extension, MIME type, compression, and feature support. Related:Switch M4B to CAF format.
| Feature | M4B | WAVE |
|---|---|---|
| File Extension | .m4b | .wave |
| MIME Type | audio/mp4 | audio/wav |
| Compression Type | Lossy | Lossless |
| Metadata Support | Yes | Yes |
What Is M4B Format?
MPEG-4 Audiobook — AAC audio in an MP4 container with bookmarking support, the standard format for audiobooks on Apple Books, Audible exports, and iPhone podcasts.
- Compression: Lossy
- Tags & Metadata: Supported
What Is WAVE Format?
Waveform Audio File Format (full name) — the .wave extension variant of WAV; functionally identical to .wav, uncompressed PCM audio recognised by all major operating systems and audio software.
- Compression: Lossless
- Tags & Metadata: Supported