Is it free to convert between CAB and ISO?

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

.cab

.iso

CAB vs ISO

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

Format Overview

CAB

Cabinet Archive

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

.cabarchive

ISO

Disc Image

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

.isoarchive

CAB vs ISO: Feature Comparison

Feature	CAB	ISO
Full Name	Cabinet Archive	Disc Image
File Extension	.cab	.iso
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 ISO

Use CAB when you need:

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

Use ISO when you need:

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

Convert Between Them

CAB ISO ISO CAB

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Frequently Asked Questions

What is the difference between CAB and ISO?

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

Can I convert CAB to ISO for free?

Yes! Convert999 lets you convert CAB to ISO 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 ISO?

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

ISO Converter

Convert from ISO

File Tools

Compress, resize, merge

Convert to CAB

All sources → CAB

Convert to ISO

All sources → ISO

Format Statistics

Trends & data 2025

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Feature

CAB

ISO

Full Name