Change All UI Fonts is a free Chrome extension developed by Siva Dhayalan. As the name suggests, this handy add-on allows users to modify the font faces of all elements on web pages to a font of their choice. With just a few clicks, you can personalize your web browsing experience and make it more visually appealing.

Once installed, Change All UI Fonts provides a simple user interface. By clicking on the extension icon, you can access the options and enter your desired font. This font will then be applied to all the font-faces on all websites you visit. It's important to note that this extension will also change the font of icons that use fonts, such as Font-Awesome, which may result in the icons being displayed as squares.

Overall, Change All UI Fonts is a straightforward extension that allows users to easily change the fonts of web elements. However, it's worth mentioning that the extension is designed for simple sites, and more complex websites may not be fully compatible. If you're looking to customize your web browsing experience, give Change All UI Fonts a try and see if it meets your needs.