TabLantern is a Firefox extension that softly illuminates tabs according to how recently they were used. It helps users keep their current working set visible at a glance without collecting data.
In the Browser DevTools & extensions space, TabLantern takes a focused approach. It focuses on finding and distinguishing recently used tabs while working with many open browser tabs. It is built as a consumer product for firefox users who manage multiple open tabs. TabLantern is free to use. It runs on the web, embeddable surfaces, Windows, macOS, and Linux.
It is developed by Juengling, and it first shipped in 2026. Key capabilities include recent-tab highlighting, tab recency tracking, and working-set visibility. 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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