Bulk MP2 to M4B Converter Online — Free HD Quality
Drag and drop your multiple MP2 files into this 100% free online MP2 to M4B converter (.mp2 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 MP2 files are removed from our servers right after. Also see:Export M4A as Android Audio.
Drop your MP2 files here to convert to M4B, or click to browse
Converts .mp2 to M4B (.m4b) in HD quality — bulk, free, no signup
Choose FilesMP2 vs M4B — File Format Comparison
See how MP2 and M4B compare across file extension, MIME type, compression, and feature support. Related:Mass MP2 to ALAC conversion.
| Feature | MP2 | M4B |
|---|---|---|
| File Extension | .mp2 | .m4b |
| MIME Type | audio/mpeg | audio/mp4 |
| Compression Type | Lossy | Lossy |
| Metadata Support | No | Yes |
What Is MP2 Format?
MPEG-1 Audio Layer 2 — the predecessor to MP3 widely used in digital broadcasting (DAB, DVB) and CD-quality radio; offers better sound at high bitrates but larger files than MP3 at lower bitrates. See also:How to convert MP2 to AIF online?.
- Compression: Lossy
- Tags & Metadata: Not 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