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HomePDB vs TCR
.pdb
.tcr

PDB vs TCR

Compare Palm Database and Psion 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

TCR

Psion eBook

Psion eBook (.tcr) is a ebook file format.

.tcrebook

PDB vs TCR: Feature Comparison

FeaturePDBTCR
Full NamePalm DatabasePsion eBook
File Extension.pdb.tcr
Categoryebookebook
Free to Convert✓ Yes✓ Yes
Browser Support✓ All Browsers✓ All Browsers
Convert to Each Other✓ Yes✓ Yes

When to Use PDB vs TCR

Use PDB when you need:

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

Use TCR when you need:

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

Convert Between Them

PDB TCRTCR PDB
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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 TCR Converter

Frequently Asked Questions

What is the difference between PDB and TCR?
PDB (Palm Database) and TCR (Psion eBook) are both ebook file formats. PDB files use the .pdb extension while TCR uses .tcr. They differ in compression, quality, compatibility, and intended use cases.
Can I convert PDB to TCR for free?
Yes! Convert999 lets you convert PDB to TCR 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 TCR?
It depends on your use case. PDB (Palm Database) may be better for certain workflows, while TCR (Psion 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

TCR Converter

Convert from TCR

File Tools

Compress, resize, merge

Convert to PDB

All sources → PDB

Convert to TCR

All sources → TCR

Format Statistics

Trends & data 2025

More Format Comparisons

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