Format Showdown

ICO VS DNG

The ultimate comparison guide. Understanding the technical differences between Icon File and Digital Negative.

ICO

ico

Standard format used for computer icons and favicons.

Pros

  • Contains multiple resolutions
  • Standard for Windows/Web icons

Cons

  • Limited use case
  • Inefficient for general images

DNG

dng

Open RAW photography format that preserves sensor data for non-destructive editing.

Pros

  • Lossless archiving
  • Rich metadata
  • Broad camera compatibility

Cons

  • Large files
  • Requires post-processing
  • Previewing can be slow

When ICO wins

Stay with ICO when you need favicons or desktop icons. Its strengths center on contains multiple resolutions and a feature set native to Microsoft.

When DNG wins

Choose DNG when your workflow prioritizes photography archives or lightroom workflows. It delivers lossless archiving plus modern compression perks.

Technical Specifications

FeatureICODNG
MIME Typeimage/x-iconimage/x-adobe-dng
DeveloperMicrosoftAdobe
Release Year19852004
Best ForFavicons, Desktop iconsPhotography archives, Lightroom workflows, Long-term storage

Need to switch?

Opportunity map

Where ICO still wins

Keep ICO when you need contains multiple resolutions and workflows depend on favicons / desktop icons. Link those teams directly to the converter above so they can ship DNG deliverables without leaving their browser.

  • • Reference the .ico glossary from this page.
  • • Embed the conversion CTA in docs, wikis, and onboarding runbooks.
  • • Use DNG for photography archives while archiving originals as ICO.
Internal linking plan

Keep crawlers in the conversion hub

Link this comparison to the relevant tool, glossary, and documentation pages so every crawl discovers a monetizable route.