Is it free to convert between PDB and FB2?

Yes, Convert999 is 100% free. All conversions happen locally in your browser with no file size limits, no registration, and no watermarks.

.pdb

.fb2

PDB vs FB2

Compare Palm Database and FictionBook formats — understand the key differences and when to use each

Format Overview

PDB

Palm Database

Palm Database (.pdb) is a ebook file format.

.pdbebook

FB2

FictionBook

FictionBook (.fb2) is a ebook file format.

.fb2ebook

PDB vs FB2: Feature Comparison

Feature	PDB	FB2
Full Name	Palm Database	FictionBook
File Extension	.pdb	.fb2
Category	ebook	ebook
Free to Convert	✓ Yes	✓ Yes
Browser Support	✓ All Browsers	✓ All Browsers
Convert to Each Other	✓ Yes	✓ Yes

When to Use PDB vs FB2

Use PDB when you need:

•Files in Palm Database format for maximum compatibility
•Industry-standard ebook format support
•Wide software and platform compatibility

Use FB2 when you need:

•Files in FictionBook format for specific workflows
•Optimized ebook format features
•Modern format advantages and smaller file sizes

Convert Between Them

PDB FB2 FB2 PDB

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Learn More About These Formats

PDB Converter FB2 Converter

Frequently Asked Questions

What is the difference between PDB and FB2?

PDB (Palm Database) and FB2 (FictionBook) are both ebook file formats. PDB files use the .pdb extension while FB2 uses .fb2. They differ in compression, quality, compatibility, and intended use cases.

Can I convert PDB to FB2 for free?

Yes! Convert999 lets you convert PDB to FB2 completely free, directly in your browser. No file upload to any server, no registration needed — your files stay private on your device.

Which is better, PDB or FB2?

It depends on your use case. PDB (Palm Database) may be better for certain workflows, while FB2 (FictionBook) excels in others. Consider factors like file size, quality, software compatibility, and your specific needs.

Is it safe to convert files on Convert999?

Absolutely. Convert999 processes all files 100% locally in your browser. Your files are never uploaded to any server, ensuring complete privacy and security.

PDB Converter

Convert from PDB

FB2 Converter

Convert from FB2

File Tools

Compress, resize, merge

Convert to PDB

All sources → PDB

Convert to FB2

All sources → FB2

Format Statistics

Trends & data 2025

More Format Comparisons

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Feature

PDB

FB2

Full Name