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Image to ICO Converter

Upload a square image and export a proper multi-resolution .ico file, ready to use as a website favicon.

Drag & drop an image here, or click to browse

Your file never leaves your browser

How to use this tool

  1. Upload an image — square images work best for favicons.
  2. The tool renders 16×16, 32×32 and 48×48 versions and packs them into one .ico file.
  3. Download the .ico file and drop it into your website's root folder as favicon.ico.

Frequently asked questions

Browsers and operating systems pick the best-matching size for tabs, bookmarks and shortcuts — packing several sizes into one .ico ensures it always looks sharp.

It's recommended, since ICO icons are square. Non-square images will be stretched to fit.

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