If you want a service that matches fonts against a large library of commercial and free fonts, Font Finder is a great option. The AI-powered tool will match your uploaded image against a library of more than 990,000 fonts, letting designers and others figure out what fonts are used in an image. It also offers features like unlimited access to a large library of fonts, the ability to preview text in your own style, a search of Google Fonts, and advanced filtering. And you can download or buy similar fonts, which can be helpful for tracking down missing fonts, exploring new fonts and complying with font licensing.