Image to .ico Converter
Upload an image and download a real multi-resolution .ico file — the classic Windows/browser icon format.
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Drop an image here, or click to choose one
A square image works best — non-square images are center-cropped.
About this tool
A .ico file can hold several resolutions of the same icon in one file, so the browser, taskbar, or OS can each pick the size that fits — that's different from the Favicon Generator, which produces separate PNG files. Pick the sizes you want, and they're all packed into a single downloaded file, built directly with a from-scratch ICO writer (each entry is a standard PNG image embedded in the ICO container, the same approach modern browsers and Windows use for icons above 8-bit color).
Nothing is uploaded anywhere — the image never leaves your device.