wikiUp - Wikipedia in Tooltips

In plain words

wikiUp is a browser extension that displays Wikipedia summaries in tooltips. When users hover over links or highlighted text, relevant Wikipedia information appears instantly without leaving the current page. Launched in 2012, the tool is designed for people who want quick access to background information while browsing. It streamlines research and reference-checking by eliminating the need to open new tabs or search manually for definitions and context.

written from the facts on this page · September 2026

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