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Learn Smarter, Not Harder - From YouTube to Docs with

AI Tutor

Transform videos, PDFs, and articles into smart study materials with AI.
Learn 5x faster with instant quizzes, notes & flashcards.

Upload study materials
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AI Processing

Generated study materials

Transform any content into personalized learning materials in seconds ⚡

Loved by 100+ students

Demo

See how Strater AI transforms your learning in 60 seconds

Trusted by Top Universities

Join learners from world-class institutions

Students from leading universities trust Strater for smarter learning

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MIT logo
Stanford logo
Harvard logo
Yale logo
UC Berkeley logo
IIT Madras logo
BITS Pilani logo

Experience Strater AI in action

Select any feature below to see how it transforms your learning

Test yourself instantly

Auto-generated quizzes with instant feedback

InstantflashcardsfromYouTube videoswithAI

Transform any material into active learning in seconds

❤️ Why Strater AI?

Online Learning is Broken. We Fixed It.

Transform passive watching into active learning. Learn faster, remember longer, and actually enjoy the process.

Remember More in Less Time

Turn every video or PDF into quizzes and flashcards scientifically optimized for long-term memory. No more forgetting after a week.

10× stronger recall

Understand Concepts Instantly

Strater explains difficult topics in simple, Feynman-style language, helping you grasp ideas deeply without rewatching.

5× faster clarity

Free Content, Premium Experience

Transform YouTube and online materials into structured notes, quizzes, flashcards, and mind maps, just like a high-end paid course, but completely free.

Premium results, free content

Study Without Distractions

Everything you need notes, quizzes, flashcards, summaries, organized in one clean workspace. Stay focused, not scattered.

1 unified tool

Free forever. No credit card required.

Backed by Research

Built on Proven Learning Science

We've built Strater on decades of cognitive research from spaced repetition to active recall ensuring every feature is designed to accelerate your learning and strengthen long-term retention.

Professor Mode

The Feynman Technique

Master complex concepts by explaining them simply. Our AI adapts to your learning style, breaking down topics until true understanding is achieved.

Deep Understanding

Break complex ideas into simple, digestible concepts

Identify Knowledge Gaps

AI pinpoints exactly what needs reinforcement

Active Recall Mastery

Learn by teaching, not passive consumption

Learn more
Revision Vault

The SM-2 Algorithm

Scientific spaced repetition that schedules reviews at optimal intervals, ensuring information moves from short-term to permanent memory.

Optimal Timing

Review exactly when you're about to forget

Smart Prioritization

AI focuses on challenging concepts automatically

Lifetime Retention

Build permanent neural pathways effortlessly

Learn more
Futuristic

The Smartest Way to Learn in the Age of AI

Turn hours of content into minutes of focused learning. No more passive watching, no more wasted time.

Most Powerful

1-Hour Video → 5-Min Study Guide

Paste any YouTube link. Get structured notes, mind maps, flashcards, and quizzes in seconds.

Save 85% Time
1hr → 8 mins
Auto Quiz
Test instantly
Smart Notes
Key points only
Document AI

Chat With Any PDF or Doc

Upload PDFs or documents, ask questions, and get instant summaries. No more endless scrolling through pages.

Ask questions, get answers
Extract key insights instantly
📄Summarize entire documents
Upload & Get Instant Answers
World's First

AI Professor Mode: Teaches Like a Human

Not just answers — get step-by-step guidance, examples, and follow-up questions. Learns your pace and adjusts teaching style.

1️⃣Step-by-step explanations
💡Real-world examples & analogies
🎯Adaptive teaching based on your level

How does photosynthesis work?

Let's break this down step by step. First, think of plants as tiny solar panels...

Flashcards in Seconds

Auto-generated from any content. Spaced repetition built-in. Remember forever.

Card 1
Card 2
Card 3

Track Every Win & Stay Motivated

See your progress, streaks, and mastery levels across all topics. Watch your growth.

85%

Less Time Studying

5x

Faster Comprehension

95%

Better Retention

+1.2

GPA Increase

What Our Users Say

Loved by Students & Lifelong Learners

Real stories from real users who transformed their learning with Strater AI

"One of the best AI use case I have ever seen, I literally hate taking notes while going through lectures, 50 min lectures takes 2 hours to complete, and these things frustrating. Along with work that was too hard to complete all the lectures with notes."

Saves 2+ hours per lecture
Sagar Gupta
Sagar Gupta
Founder @ Valkron Dynamics || Student @ IIT Madras

"This AI tool is a real time-saver, especially for long YouTube videos. Instead of sitting through hours of content, it lets me quickly access, summaries, flashcards, and even ask questions directly. The free version itself is surprisingly powerful and very practical. For someone like me who doesn't have much time to spend watching videos, this is absolutely a game-changer. I'd especially recommend it to university students and lifelong learners who want to study smarter, not harder."

Overall, it's an excellent tool that makes learning faster, easier, and more engaging.

Perfect for busy learners
Christine Madampage
Christine Madampage
Lifelong Learner
100+
Users Loved
1,000+
Videos Processed
500+
Materials Generated
4.9/5
User Rating
🚀 Quick Start

3 Steps to Smarter Learning

Get started in under 2 minutes. No downloads, no setup.

01

Sign Up Free

No credit card needed

Create your account with Google or GitHub in 10 seconds.

02

Add Any Content

We support everything

YouTube, PDFs, websites, or text. Paste and go.

YouTube
PDF
Web
Text
03

Get Study Materials

Instantly generated by AI

Summaries, flashcards, quizzes, and mind maps in seconds.

Ready to Learn Smarter, Not Harder?

Join thousands learning smarter with Strater AI

No credit card • YouTube, PDFs, Web & Text supported

FAQ

Frequently Asked Questions

Everything you need to know about Strater AI and how it can transform your learning experience.

Strater AI analyzes YouTube videos, PDFs, and web articles to automatically generate summaries, flashcards, mind maps, and quizzes. It helps you extract key ideas, organize knowledge, and learn faster, all in one place.

Still have questions?

Our support team is ready to help you with any questions you might have about Strater AI.