Ebook Conversion
Convert PDB to MOBI Online — Free
Fast, free PDB to MOBI converter. No registration required.
或从以下导入
200万+文件已转换
数千用户的信赖之选
安全传输
HTTPS 加密上传
隐私优先
文件处理后自动删除
无需注册
即刻开始转换
随处可用
任何浏览器，任何设备
如何转换
1
Upload your .pdb file by dragging it into the upload area or clicking to browse.
2
Choose your output settings. The default settings work great for most files.
3
Click Convert and download your .mobi file when it's ready.
什么是 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.
格式详情
- 全称
- Palm Database eBook
- 扩展名
- .pdb
主要特点
- Palm OS
- eReader format
- Legacy eBook
- Plucker support
什么是 MOBI？
MOBI is an ebook format used by Amazon Kindle devices. While Amazon now prefers EPUB, MOBI remains compatible with older Kindle models.
格式详情
- 全称
- Mobipocket eBook
- 扩展名
- .mobi
主要特点
- Kindle compatible
- DRM support
- Ebook standard
- Amazon format
PDB 与 MOBI 对比
| 特性 | PDB | MOBI |
|---|---|---|
| 全称 | Palm Database eBook | Mobipocket eBook |
| 扩展名 | .pdb | .mobi |
| 最适合 | Palm OS | Kindle compatible |
常见问题
Yes. Our converter preserves chapter structure, table of contents, and navigation. Formatting, images, and internal links are maintained when both formats support them.
MOBI and AZW3 formats work natively on Kindle devices. EPUB works on Kobo, Nook, and most other e-readers. PDF works universally but isn't reflowable.
We can only convert DRM-free eBooks. If your file has DRM restrictions, you'll need to remove them before conversion. We don't provide DRM removal tools.
Yes. eBook conversion is free with up to 5 conversions per day. No registration or watermarks. Pro users get unlimited conversions and batch processing.
Yes. Upload from any device with a browser — iPhone, Android, tablet, or desktop. No app installation required.