Overview Active Dictionary
Active Dictionary is a web app for adult B1+ language learners: texts, PDFs and captioned videos, contextual vocabulary, spaced repetition and AI-assisted speaking and writing practice.
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Key features
Quick scan of what stands out
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Contextual vocabulary lookup and translation alongside texts and videos
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Save words and review them with spaced repetition
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AI-assisted speaking and writing about familiar material, with AI usage limits
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Use cases
Where this tool fits best
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Read foreign-language articles and work or study documents at B1+ level
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Learn vocabulary from videos with available captions
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Explore the public library without registration; personal features require an account
Pricing & plans 2026
Free tier available with limited features