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What is PDB?
PDB is the Palm OS database format used for eBooks on Palm Pilot and compatible PDAs. It was one of the earliest digital reading platforms, supporting eReader and Plucker content. Legacy format with large existing library.
Format Details
- Full Name
- Palm Database eBook
- Extension
- .pdb
Key Features
- Palm OS
- eReader format
- Legacy eBook
- Plucker support
What is EPUB?
EPUB is the most widely supported ebook format. It supports reflowable text that adapts to different screen sizes, making it ideal for e-readers.
Format Details
- Full Name
- Electronic Publication
- Extension
- .epub
Key Features
- Reflowable text
- E-reader standard
- DRM support
- Multimedia
PDB vs EPUB
| Feature | PDB | EPUB |
|---|---|---|
| Full Name | Palm Database eBook | Electronic Publication |
| Extension | .pdb | .epub |
| Best For | Palm OS | Reflowable text |