MaxChangeFont is a free Chrome extension developed by max3everyday. It falls under the category of Browsers and specifically the subcategory of Add-ons & Tools. This extension aims to solve the problem of missing Chinese characters in Google Docs by allowing users to modify the font used.

Google Docs, the popular online document service provided by Google, currently does not support user-defined fonts. However, with MaxChangeFont Extension, users can replace the default font in Google Docs with their preferred web fonts. This feature is especially useful for users who frequently work with Chinese characters and face the issue of missing or improperly displayed characters.

By simply installing MaxChangeFont Extension on their Chrome browser, users gain the ability to customize the font used in Google Docs, providing a more personalized writing experience. With this extension, users can overcome the limitation of Google Docs' default font selection and improve the readability of their documents.