“Librari shines as an alternative to Google and Wikipedia” — Library Journal
Show What You Know. Learn What You Don’t.
Librari lets you test what you know, learn faster, and earn certificates that prove your knowledge. Explore over 90,000 topics—from science and history to languages, technology, and everyday skills—and see exactly where you can grow.
Start free with unlimited 5-question quizzes. Every quiz gives you instant results, clear explanations, and personalized feedback on what you missed.
When you’re ready to go further, subscribe for unlimited 25-question topic tests and 50-question subject exams, detailed results tracking, and official PDF certificates.
Whether you’re curious, ambitious, or just love learning, Librari makes it easy to turn what you know into something that counts.
Librari helps you discover what you know, learn what you don’t, and prove it instantly with certificates in 900 subjects and 90,000 topics.
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Explore Any Topic: Choose from over 90,000 topic tests — each with 25 questions and available in 40 languages. Earn an official PDF certificate for every topic you master, complete with instant results and personalized explanations.
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Go Deeper with Subject Tests: Tackle comprehensive 50-question exams in more than 900 subjects, covering virtually every area taught in universities worldwide — from the arts and humanities to science, medicine, and technology — and earn official subject-level certificates.
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Instant Feedback: See what you got right and learn from what you missed — every test includes clear, personalized explanations.
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Discover New Interests: Along the way, you’ll stumble upon fascinating subjects you never knew existed — expanding your curiosity with every test you take.
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Earn Proof That Counts: Add your Librari certificates to your résumé or LinkedIn profile to show verified skills and continuous learning.
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Study Your Way: Librari flips the script on learning — instead of teaching everything, it focuses only on what you don’t already know, so your study time is always efficient and personal.
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Simple and Intuitive: Enjoy a clean, easy-to-use interface that makes testing, learning, and earning certificates feel effortless.
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Private and Secure: Your test data and certificates are safely stored and protected — your progress belongs to you alone.
Librari