PDB Palm eBook is Palm Database format used for Palm OS eBooks. It is primarily used for legacy Palm OS eBooks and vintage PDA content. Palm OS database format adapted for eBook content

Is Xonvert open source?

Xonvert uses open-source conversion libraries (FFmpeg, libvips, etc.) compiled to WebAssembly. The conversion engine is transparent and trustworthy.

Can I use Xonvert offline?

Yes! Once the converter page has loaded, it works without an internet connection. All conversion logic runs locally in your browser.

Does CB7 to PDB conversion work on slow internet?

Yes — and even with no internet at all. Once the page loads, conversion is entirely offline. Speed depends on your device's CPU, not your internet connection.

How is Xonvert different from other online converters?

Most online converters upload your files to their servers. Xonvert processes everything locally in your browser — your files never leave your device. It's faster, more private, and works offline.

Is there a file size limit?

There is no strict file size limit. However, very large files (over 500MB) may be limited by your device's available memory.

What are the advantages of PDB over CB7?

PDB Palm eBook offers was the standard eBook format on Palm OS devices, while CB7 Comic Book is known for best compression ratio of all comic book archive formats. The best choice depends on your specific needs — compatibility, quality, or file size.

Convert CB7 to PDB

Fast, free, and secure CB7 to PDB conversion. No registration required.

cb7

pdb

Fast, free, and secure CB7 to PDB conversion. No registration required.

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High Quality

Maintain maximum quality during conversion

Fast Processing

Convert files in seconds with our optimized engine

Secure & Private

Files automatically deleted after conversion

How to Convert CB7 to PDB

Upload CB7 File

Click the "Select File" button to upload your cb7 file from your device.

Start Conversion

Click the "Convert" button to instantly start converting to PDB.

Download PDB

Download your converted pdb file immediately after processing.

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