QuickDef

AI Dictionary for PDFs & English Learners

Chrome Extensions Productivity Education Languagesローンチ 2026年4月28日

QuickDef とは？

AI dictionary for English learners that works on PDFs and web pages. Double-click words for simple meanings. Most dictionary extensions fail inside PDFs. QuickDef works where others don’t. Just double-click any word in a PDF or on a web page to see a clear, learner-friendly meaning instantly. No tab switching. No complex dictionary language. No broken reading flow.

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