ICO VS PNG
The ultimate comparison guide. Understanding the technical differences between Icon File and Portable Network Graphics.
ICO
icoStandard format used for computer icons and favicons.
Pros
- Contains multiple resolutions
- Standard for Windows/Web icons
Cons
- Limited use case
- Inefficient for general images
PNG
pngLossless format supporting transparency, ideal for logos and digital art.
Pros
- Lossless quality
- Alpha channel transparency
- Wide support
Cons
- Larger file sizes than JPG
- Not good for print (RGB only)
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 PNG wins
Choose PNG when your workflow prioritizes logos or screenshots. It delivers lossless quality plus modern compression perks.
Technical Specifications
| Feature | ICO | PNG |
|---|---|---|
| MIME Type | image/x-icon | image/png |
| Developer | Microsoft | PNG Development Group |
| Release Year | 1985 | 1996 |
| Best For | Favicons, Desktop icons | Logos, Screenshots, Graphics with transparent backgrounds |
Need to switch?
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 PNG deliverables without leaving their browser.
- • Reference the .ico glossary from this page.
- • Embed the conversion CTA in docs, wikis, and onboarding runbooks.
- • Use PNG for logos while archiving originals as ICO.
Keep crawlers in the conversion hub
Link this comparison to the relevant tool, glossary, and documentation pages so every crawl discovers a monetizable route.