ZenReaderFx is a Firefox extension that extracts article content and presents it in a clean reading view. It includes a headings-based bookmarks panel, dark mode, reading progress, syntax highlighting, KaTeX math rendering, PDF printing, and Markdown export for Firefox users.
In the Browser DevTools & extensions space, ZenReaderFx takes a focused approach. It focuses on removing ads, navigation, and other distractions from web articles while preserving useful reading features. ZenReaderFx is a consumer product aimed at firefox users who read long-form web articles. ZenReaderFx costs nothing to use. It runs on the web and embeddable surfaces.
Behind ZenReaderFx is vidhyarthi, and it first shipped in 2026. Among its 8 catalogued features are Article Extraction, Bookmarks Panel, and Dark Mode. The interface is available in 32 languages, including Czech, German, and Greek.
Summary written by a language model from the project’s public pages.
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