Is it free to convert between AZW and PDB?

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

.azw

.pdb

AZW vs PDB

Compare Amazon Kindle eBook and Palm Database formats — understand the key differences and when to use each

Format Overview

AZW

Amazon Kindle eBook

Amazon Kindle eBook (.azw) is a ebook file format.

.azwebook

PDB

Palm Database

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

.pdbebook

AZW vs PDB: Feature Comparison

Feature	AZW	PDB
Full Name	Amazon Kindle eBook	Palm Database
File Extension	.azw	.pdb
Category	ebook	ebook
Free to Convert	✓ Yes	✓ Yes
Browser Support	✓ All Browsers	✓ All Browsers
Convert to Each Other	✓ Yes	✓ Yes

When to Use AZW vs PDB

Use AZW when you need:

•Files in Amazon Kindle eBook format for maximum compatibility
•Industry-standard ebook format support
•Wide software and platform compatibility

Use PDB when you need:

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

Convert Between Them

AZW PDB PDB AZW

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Frequently Asked Questions

What is the difference between AZW and PDB?

AZW (Amazon Kindle eBook) and PDB (Palm Database) are both ebook file formats. AZW files use the .azw extension while PDB uses .pdb. They differ in compression, quality, compatibility, and intended use cases.

Can I convert AZW to PDB for free?

Yes! Convert999 lets you convert AZW to PDB 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, AZW or PDB?

It depends on your use case. AZW (Amazon Kindle eBook) may be better for certain workflows, while PDB (Palm Database) 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.

AZW Converter

Convert from AZW

PDB Converter

Convert from PDB

File Tools

Compress, resize, merge

Convert to AZW

All sources → AZW

Convert to PDB

All sources → PDB

Format Statistics

Trends & data 2025

More Format Comparisons

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Feature

AZW

PDB

Full Name