Is it free to convert between CAB and LZMA?

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

.cab

.lzma

CAB vs LZMA

Compare Cabinet Archive and LZMA Compressed formats — understand the key differences and when to use each

Format Overview

CAB

Cabinet Archive

Cabinet Archive (.cab) is a archive file format.

.cabarchive

LZMA

LZMA Compressed

LZMA Compressed (.lzma) is a archive file format.

.lzmaarchive

CAB vs LZMA: Feature Comparison

Feature	CAB	LZMA
Full Name	Cabinet Archive	LZMA Compressed
File Extension	.cab	.lzma
Category	archive	archive
Free to Convert	✓ Yes	✓ Yes
Browser Support	✓ All Browsers	✓ All Browsers
Convert to Each Other	✓ Yes	✓ Yes

When to Use CAB vs LZMA

Use CAB when you need:

•Files in Cabinet Archive format for maximum compatibility
•Industry-standard archive format support
•Wide software and platform compatibility

Use LZMA when you need:

•Files in LZMA Compressed format for specific workflows
•Optimized archive format features
•Modern format advantages and smaller file sizes

Convert Between Them

CAB LZMA LZMA CAB

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Frequently Asked Questions

What is the difference between CAB and LZMA?

CAB (Cabinet Archive) and LZMA (LZMA Compressed) are both archive file formats. CAB files use the .cab extension while LZMA uses .lzma. They differ in compression, quality, compatibility, and intended use cases.

Can I convert CAB to LZMA for free?

Yes! Convert999 lets you convert CAB to LZMA 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, CAB or LZMA?

It depends on your use case. CAB (Cabinet Archive) may be better for certain workflows, while LZMA (LZMA Compressed) 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.

CAB Converter

Convert from CAB

LZMA Converter

Convert from LZMA

File Tools

Compress, resize, merge

Convert to CAB

All sources → CAB

Convert to LZMA

All sources → LZMA

Format Statistics

Trends & data 2025

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Feature

CAB