Is it free to convert between PDB and LRF?

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

.pdb

.lrf

PDB vs LRF

Compare Palm Database and Sony BroadBand eBook formats — understand the key differences and when to use each

Format Overview

PDB

Palm Database

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

.pdbebook

LRF

Sony BroadBand eBook

Sony BroadBand eBook (.lrf) is a ebook file format.

.lrfebook

PDB vs LRF: Feature Comparison

Feature	PDB	LRF
Full Name	Palm Database	Sony BroadBand eBook
File Extension	.pdb	.lrf
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 LRF

Use PDB when you need:

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

Use LRF when you need:

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

Convert Between Them

PDB LRF LRF PDB

ファイルを選択

またはファイルをここにドラッグ＆ドロップ

最大ファイルサイズ：2GB

ファイルはブラウザ内でローカルに処理されます。サーバーにアップロードされません。

Learn More About These Formats

PDB Converter LRF Converter

Frequently Asked Questions

What is the difference between PDB and LRF?

PDB (Palm Database) and LRF (Sony BroadBand eBook) are both ebook file formats. PDB files use the .pdb extension while LRF uses .lrf. They differ in compression, quality, compatibility, and intended use cases.

Can I convert PDB to LRF for free?

Yes! Convert999 lets you convert PDB to LRF 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 LRF?

It depends on your use case. PDB (Palm Database) may be better for certain workflows, while LRF (Sony BroadBand eBook) 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

LRF Converter

Convert from LRF

File Tools

Compress, resize, merge

Convert to PDB

All sources → PDB

Convert to LRF

All sources → LRF

Format Statistics

Trends & data 2025

More Format Comparisons

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Feature

PDB

LRF

Full Name