ICO Maker

Generate ICO icons from images

Click or drag to upload image

Supports all image formats

About ICO Maker

ICO Maker tool can convert regular images to Windows icon files (.ico). ICO files can contain multiple icon sizes to ensure clear display in different scenarios. Commonly used for website favicons, application icons, etc. All processing is done locally in the browser, images are not uploaded to servers.

FAQ

What is an ICO file?

ICO is a dedicated file format for Windows icons that can contain multiple sizes and color depths. Windows automatically selects the most appropriate size based on the display scenario.

Which sizes should I select?

Recommended to include at least 16x16 (taskbar), 32x32 (desktop icons), and 256x256 (high-DPI displays). For website favicons, 16x16 is essential.

Is transparent background supported?

Yes. If the original image contains an alpha channel (like PNG), the generated ICO file will also preserve the transparent background.

What are the advantages of ICO files?

ICO files contain multiple icon sizes, and the system automatically selects the most appropriate size for display, ensuring icons remain clear in various scenarios.