Microsoft Icon vs Portable Network Graphics
Technical analysis 2026: differences, performance and which one you should use for your project.
"It depends on the use case: ICO excels at favicons, while PNG is better for logos."
A specific container for Windows icons and website favicons. It can hold multiple sizes and color depths in a single file.
Designed to replace GIF, it is the king of lossless compression and transparency. Ideal for graphics, logos and screenshots.
When comparing ICO (Microsoft Icon) with PNG (Portable Network Graphics), it is important to understand the historical and technical context. ICO was established in 1985, while PNG appeared in 1996.
The main technical difference lies in their compression algorithm. ICO uses hybrid (both lossy and lossless) compression: you can choose between maximum quality or maximum savings depending on the settings. PNG, on the other hand, uses lossless compression: it keeps all the original data with no quality loss.
100% (For favicons)
100% (Universal)
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