Pixie: Accessibility and Productivity Reader Addon is a Firefox extension designed to improve online reading experiences through various accessibility features. Key functionalities include a text-to-speech (TTS) reader that allows users to listen to web pages, customizable text configurations for enhanced readability, and a screen shader to reduce eye strain. The addon also offers a reading ruler for focused reading and a distraction-free reader view that removes ads and unnecessary elements from articles and blogs.

Additional features include a built-in dictionary for word definitions, support for ePub file reading directly in the browser, and customizable color schemes to adjust contrast and saturation. Users can access the Pixie sidebar widget for quick access to essential features, such as muting sounds and controlling TTS settings. With ongoing updates planned, including Bionic Reading and speech-to-text capabilities, Pixie aims to cater to a wide range of reading preferences and needs.