433: A Font That Replaces Text with Dots

To mask text in Ensō's Coffeeshop Mode, the author created a font called 433 that replaces all non-whitespace characters with dots. This post details the creation process, covering font design principles, Unicode encoding, and WOFF2 compression. The author shares challenges and solutions encountered, along with insights into fonts, Unicode, and multilingual support. The project stemmed from a need to handle diverse writing systems among the app's rapidly growing user base.