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Image Tools
Explainers on image formats, favicons, and browser-ready assets for our image converters.
2 articles
What Is an ICO File?
ICO is a Windows icon format that can store multiple sizes in one file—commonly used for website favicons and app shortcuts.
Related tool: PNG to ICO Converter
Standard Favicon Sizes Explained
A practical list of favicon dimensions browsers and platforms expect, and how to bundle them in one ICO file.
Related tool: PNG to ICO Converter