Bulk M4B to 3GA Converter Online — Free HD Quality
Drag and drop your multiple M4B files into this 100% free online M4B to 3GA converter (.m4b to .3ga), and click the Convert button to bulk convert them to 3GA format in HD quality. Use the quality slider to fine-tune your 3GA 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:Convert APE files to FLAC in queue.
Drop your M4B files here to convert to 3GA, or click to browse
Converts .m4b to 3GA (.3ga) in HD quality — bulk, free, no signup
Choose FilesM4B vs 3GA — File Format Comparison
See how M4B and 3GA compare across file extension, MIME type, compression, and feature support. Related:Get APE from M4B.
| Feature | M4B | 3GA |
|---|---|---|
| File Extension | .m4b | .3ga |
| MIME Type | audio/mp4 | audio/3gpp |
| Compression Type | Lossy | Lossy |
| 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. See also:Convert multiple M4B to CAF.
- Compression: Lossy
- Tags & Metadata: Supported
What Is 3GA Format?
3GPP Audio — audio-only 3GPP mobile container carrying AMR or AAC audio, created by Android and older Nokia/Samsung phones for voice recordings and audio messages.
- Compression: Lossy
- Tags & Metadata: Supported