Toggle Fonts is a free Firefox addon designed for users who want to manage website fonts. This tool allows users to disable all fonts defined by websites, which can be particularly useful for accessing sites that may have issues when custom fonts are enabled. With a simple toolbar button, users can quickly toggle the font settings on and off, enhancing their browsing experience.

The addon is categorized under personalization, making it a convenient tool for users looking to customize how they view web content. By using Toggle Fonts, users can ensure better compatibility with various websites, especially those that rely heavily on unique typography. This functionality can help improve readability and overall user experience when navigating the web.