Font Book

Font Book is a font management application developed by Apple Inc. It comes pre-installed on all Mac computers and provides users with an easy way to organize and install fonts. With Font Book, users can preview, install, and uninstall fonts, as well as create font collections for different projects or purposes. The application also allows users to activate and deactivate fonts, which can improve computer performance by reducing the number of active fonts....
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One of the most useful features of Font Book is its ability to detect missing or corrupted fonts. When a font file is missing or damaged, Font Book will display a warning icon next to the font name, making it easy for users to identify and replace the problematic font. Additionally, Font Book provides detailed information on each font file, including its type, style, and copyright information, which can help users select the best font for their project needs. Overall, Font Book is a powerful yet user-friendly font management tool that is essential for anyone working with typography on a Mac.