Bulk WAVE to M4B Converter Online — Free HD Quality
Drag and drop your multiple WAVE files into this 100% free online WAVE to M4B converter (.wave to .m4b), and click the Convert button to bulk convert them to M4B format in HD quality. Use the quality slider to fine-tune your M4B output, then download your converted files one by one or as a single ZIP — no signup and no downloads needed, and your original WAVE files are removed from our servers right after. Also see:Switch FLAC to WMA format.
Drop your WAVE files here to convert to M4B, or click to browse
Converts .wave to M4B (.m4b) in HD quality — bulk, free, no signup
Choose FilesWAVE vs M4B — File Format Comparison
See how WAVE and M4B compare across file extension, MIME type, compression, and feature support. Related:Change WAVE to ALAC.
| Feature | WAVE | M4B |
|---|---|---|
| File Extension | .wave | .m4b |
| MIME Type | audio/wav | audio/mp4 |
| Compression Type | Lossless | Lossy |
| Metadata Support | Yes | Yes |
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
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