What is Opal?
Opal is an AI study tool that transforms uploaded PDFs, text files, audio recordings, and YouTube videos into concise, AI‑generated notes. It automatically creates flashcards and quizzes, applying active‑recall techniques and pinpointing weak areas for targeted practice.
The platform tracks study performance, offering advanced analytics and hyper‑personalized repetition schedules. Users organize content into custom folders, benefit from built‑in semantic search, and monitor usage statistics over time. Opal supports multiple languages, including English, Spanish, German, French, and Chinese, and stores all documents with bank‑level security, ensuring privacy and compliance.
Opal pricing Freemium
Opal free plan
$0/mo
Gpt 3.5
$5/mo
Opal+
unlimited
Verify on the official pricing page.
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Opal's key features
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Generate AI-powered study notes
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Create flashcards and quizzes
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Active recall with AI feedback
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Upload PDFs, audio, text
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Semantic search across folders
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Multilingual document support
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Usage tracking and performance analytics
Opal use cases
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Convert lecture PDFs into AI‑generated study notes and flashcards for efficient, personalized review
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Generate active‑recall quizzes from recorded audio lessons and track performance with analytics for targeted revision
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Create multilingual study decks from YouTube videos and store them securely, ensuring data protection for international students
Who is it for?
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Learning students
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Teaching educators
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Language learners
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Research researchers
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Knowledge workers
