Free png to ico converter. uFileTool converts your Png files online for free. Perfect for website favicons, desktops, app icons, and progressive web apps (PWAs).
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An ICO file serves as the format for icons on various websites and Windows operating systems. Converting a PNG image into an ICO file makes it possible to use the image as the official icon for applications, folders, or website favicons.
Transform your PNG into a snazzy ICO file with online options like uFileTool or with conventional software like GIMP. When using an online tool, just upload that PNG, pick your favorite ICO size(s), and voila, you're all set for some ICO goodness!
The choice of size for ICO files depends on the intended purpose. Websites often use 16x16 pixels and 32x32 px for favicons, while Windows applications utilize various sizes for different display contexts. Mobile use can be more demanding, with Apple suggesting 180x180 px for iPhone touch icons, while Google wants 192x192 px for Android chrome and web apps. Some progressive web apps go even higher with 256x256 px and 512x512px requirements. Yet, the most common ICO sizes include 16x16, 32x32, 48x48, and 256x256 pixels.
Visual clarity when converting PNG to ICO usually depends on the PNG resolution and detail. A large PNG image with a lot of fine detail can lose quality when converted to a smaller ICO file. However, a PNG with a good resolution like 256x256 px or 512x512px may see only a slight quality loss during resizing and conversion.