Huruf is a Firefox extension designed to improve the readability of Arabic text online. It addresses the common issue of small and difficult-to-read fonts by allowing users to customize the font type, size, and line height for Arabic script. This customization makes reading more accessible and comfortable for users, enhancing their overall experience with Arabic content.

Additionally, Huruf supports a variety of languages that utilize the Perso-Arabic script, including Persian, Urdu, and Punjabi, among others. The extension utilizes fonts licensed under the SIL Open Font License, ensuring a wide range of options for users. This feature not only improves readability but also allows users to choose fonts that best suit their preferences, promoting a more enjoyable reading experience.