Bulk M4B to WAV Converter Online — Free HD Quality
Drag and drop your multiple M4B files into this free online M4B to WAV converter (.m4b to .wav), and click the Convert button to bulk convert them to WAV format in HD quality. Use the quality slider to fine-tune your WAV output, then download your converted files one by one or as a single ZIP — your original M4B files are removed from our servers right after.
Drop images here or click to browse
PNG, JPG, WebP, GIF, HEIC, RAW, PSD, SVG and more
Max 100MB per file
M4B vs WAV — File Format Comparison
| Feature | M4B | WAV |
|---|---|---|
| File Extension | .m4b | .wav |
| 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 WAV Format?
Waveform Audio File Format — Microsoft and IBM's uncompressed PCM audio standard delivering bit-perfect quality for professional recording, mixing, and archival use.
- Compression: Lossless
- Tags & Metadata: Supported
Related Converters
- Mass ALAC to IPHONE conversion
- Save ERF as AVIF
- How to convert FITS to DDS?
- Batch HEIF to WBMP converter
- Batch M4A to iPhone Audio converter
- Convert MID to APE free
- Simple MP1 to TIFF tool
- Process multiple MP3 to IPOD files
- How to turn MP3 into TGA?
- Easy OGA to GIF converter
- Online Raw Audio to WMA converter tool
- Simple SVG to PBM tool
- Batch process TGA to PDF
- Best WAV to WBMP converter online
- See all M4B conversions
- All WAV conversion options
- Audio converter hub
- Free online file converters