Is it free to convert between ISO and CAB?

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

.iso

.cab

ISO vs CAB

Compare Disc Image and Cabinet Archive formats — understand the key differences and when to use each

Format Overview

ISO

Disc Image

Disc Image (.iso) is a archive file format.

.isoarchive

CAB

Cabinet Archive

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

.cabarchive

ISO vs CAB: Feature Comparison

Feature	ISO	CAB
Full Name	Disc Image	Cabinet Archive
File Extension	.iso	.cab
Category	archive	archive
Free to Convert	✓ Yes	✓ Yes
Browser Support	✓ All Browsers	✓ All Browsers
Convert to Each Other	✓ Yes	✓ Yes

When to Use ISO vs CAB

Use ISO when you need:

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

Use CAB when you need:

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

Convert Between Them

ISO CAB CAB ISO

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Frequently Asked Questions

What is the difference between ISO and CAB?

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

Can I convert ISO to CAB for free?

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

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

ISO Converter

Convert from ISO

CAB Converter

Convert from CAB

File Tools

Compress, resize, merge

Convert to ISO

All sources → ISO

Convert to CAB

All sources → CAB

Format Statistics

Trends & data 2025

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Feature

ISO

CAB

Full Name