Crypta: Learn to Code

Learn to code by doing, not by watching videos. Crypta teaches JavaScript, Python, AI, SQL, Git and more in 5-minute lessons — free.

🆕 NEW IN CRYPTA 2.5 📚 Study notes: 38 computer-science notes for high school and university. Algorithms, number systems, data structures, operating systems, networks, databases, OOP and more, each with exam tips. 🃏 Concept cards: the key terms of the notes you read come back right before you would forget them (spaced repetition). 🧩 Four questions in every lesson: 218 new questions, all on real code. ⭐ Simple scoring: every correct answer is 10 XP, plus a bonus for a perfect lesson. 🏠 A simpler Home and clear "Wrong answer" feedback.

⚔️ DUELS AND CERTIFICATES Send a friend a 5-question duel; the higher score wins. Finish a path and get a certificate you can share on LinkedIn.

📚 17 LEARNING PATHS, ALL FREE • Programming Fundamentals • JavaScript Essentials • TypeScript Essentials • C# Essentials • Command Line & Linux • Python Essentials • AI & Machine Learning • Web Development (HTML, CSS, DOM, HTTP) • Mobile Development with Flutter • Backend Development & APIs • Databases & SQL • Algorithms & Data Structures • Git & GitHub • Cybersecurity • DevOps & Cloud (Docker, CI/CD) • Game Development • Desktop Development

🧩 LEARN BY DOING Every lesson is a short explanation followed by tasks on real code: predict the output, find the bug, fill in the blank. Get it wrong and the explanation shows you why.

🤖 AI MENTOR Stuck? The mentor nudges you toward the answer step by step instead of giving it away. Works even offline.

🔥 GET A LITTLE BETTER EVERY DAY Daily streaks with streak freezes, weekly leagues and a leaderboard, achievements and your Developer DNA skill map. Reminders only nudge you on days you haven't practised yet. Every question pays its points once, so the leaderboard stays fair.

🛠️ REAL PROJECTS Build your portfolio with guided projects: secure login, calculator logic and more.

💸 ACTUALLY FREE Every lesson, path and project is open to everyone. Crypta Pro only removes ads and raises the daily mentor limit from 3 to 10.

English and Turkish. Start without an account; sign in any time to back up your progress.

For beginners, students, people preparing for coding interviews and career changers.