Quickdef – Ai Dictionary
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Overview
QuickDef is an AI-powered dictionary built for English learners who read PDFs and web pages.
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.
QuickDef focuses on understanding, not memorizing definitions.
Key features:
• Works inside PDFs and regular web pages
• AI-generated simple definitions for English learners
• Context-aware meaning selection
• Double-click any word for instant explanation
• Clean, distraction-free popup (Kindle-style)
• Optional full dictionary definition
• Save words and review them later
QuickDef is designed for non-native English speakers who want to read with confidence, especially academic papers, articles, and long PDFs.
AI usage:
QuickDef uses AI to generate simplified, learner-friendly explanations. Only the selected word and limited surrounding context are processed.
Free to start. No setup required.
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