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 PDB to CBT 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 CBT over PDB?

CBT Comic Book offers simple uncompressed tar of comic page images, while PDB Palm eBook is known for was the standard eBook format on Palm OS devices. The best choice depends on your specific needs — compatibility, quality, or file size.

How does Xonvert compare to desktop software?

Xonvert offers comparable quality to desktop converters with the convenience of browser-based access. No installation, no updates, instant availability.

Convert PDB to CBT

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

pdb

cbt

Fast, free, and secure PDB to CBT 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 PDB to CBT

Upload PDB File

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

Start Conversion

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

Download CBT

Download your converted cbt file immediately after processing.

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