ExHentai Helper is a Firefox extension designed to improve the user experience on exhentai.org by offering a variety of features that prioritize convenience and readability. Key functionalities include a Gallery Grid View that transforms the traditional list layout into a visually appealing grid, allowing users to browse images more efficiently. Additionally, the tool provides advanced reader modes, including a Horizontal Reader for seamless page flipping and a Vertical Reader that supports continuous scrolling for larger galleries.

Moreover, ExHentai Helper includes a browsing history feature that automatically tracks visited galleries, customizable keyboard shortcuts for quick navigation, and theme support that adapts to the system's light or dark modes. Users can also personalize their experience by adjusting grid columns, preloaded images, and history size. This extension is available in both Traditional Chinese and English, making it accessible to a wider audience.