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HomeISO vs DMG
.iso
.dmg

ISO vs DMG

Compare Disc Image and Apple Disk Image formats — understand the key differences and when to use each

Format Overview

ISO

Disc Image

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

.isoarchive

DMG

Apple Disk Image

Apple Disk Image (.dmg) is a archive file format.

.dmgarchive

ISO vs DMG: Feature Comparison

FeatureISODMG
Full NameDisc ImageApple Disk Image
File Extension.iso.dmg
Categoryarchivearchive
Free to Convert✓ Yes✓ Yes
Browser Support✓ All Browsers✓ All Browsers
Convert to Each Other✓ Yes✓ Yes

When to Use ISO vs DMG

Use ISO when you need:

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

Use DMG when you need:

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

Convert Between Them

ISO DMGDMG ISO
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Dimensione max: 2GB

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Learn More About These Formats

ISO Converter DMG Converter

Frequently Asked Questions

What is the difference between ISO and DMG?
ISO (Disc Image) and DMG (Apple Disk Image) are both archive file formats. ISO files use the .iso extension while DMG uses .dmg. They differ in compression, quality, compatibility, and intended use cases.
Can I convert ISO to DMG for free?
Yes! Convert999 lets you convert ISO to DMG 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 DMG?
It depends on your use case. ISO (Disc Image) may be better for certain workflows, while DMG (Apple Disk 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.

ISO Converter

Convert from ISO

DMG Converter

Convert from DMG

File Tools

Compress, resize, merge

Convert to ISO

All sources → ISO

Convert to DMG

All sources → DMG

Format Statistics

Trends & data 2025

More Format Comparisons

JPGvsPNGPNGvsWEBPJPGvsWEBPSVGvsPNGHEICvsJPGBMPvsJPGTIFFvsJPGGIFvsPNG