Online ICO Viewer - View Windows Icon Files in Your Browser
What is an ICO file?
ICO is an image file format for computer icons on Microsoft Windows. It is unique because a single ICO file can contain multiple images at different sizes and color depths (e.g., 16x16, 32x32, 48x48, 256x256).
This allows the operating system to scale the icon appropriately without losing quality. Our Online ICO Viewer lets you see all the different icon sizes contained within a single file.
How to View ICO Files Online
Upload ICO
Drag and drop your .ico file into the viewer.
Inspect Sizes
See all the embedded icon sizes and formats.
Convert
Download specific icon sizes as standard PNG images.
Frequently Asked Questions
How do I create an ICO file?
You can create ICO files using image editors like GIMP or online converters. You can also rename a BMP to ICO, but proper ICO files support transparency and multiple sizes.
What is a favicon.ico?
It is a specific ICO file used by websites to display an icon in the browser tab. It usually contains a 16x16 and 32x32 version of the logo.
Can I convert ICO to PNG?
Yes, this tool allows you to extract any of the images inside the ICO file and save them as PNGs.