Smarter LeetCode Practice,Right on the Page
Stop wasting time switching tabs.
Stay focused and solve LeetCode problems faster with AI.
🎁100% free for all early users
Your All-in-One LeetCode Study Companion
Get hints, capture insights, practice interviews, and rely on context-aware AI tools to accelerate every step.
Get unstuck, stay in flow
- Guided hints, no spoilers — Step-by-step nudges that build your reasoning.
- Context-aware feedback — Uses your code, tests, and errors for precise help.
- Instant selection — Highlight on LeetCode to ask instantly — no more tab-switching needed.
Tools that act, not just suggest
- Validate instantly — Run your code on sample or batched edge cases, with auto-generated inputs to uncover hidden bugs.
- See it clearly — Step through code execution and explore data structures or algorithm flows with interactive visualizations.
- Go beyond the page — Surface relevant Youtube videos when you need extra explanations, and capture quick notes to build your personal knowledge base.
Turn practice into mastery
- Capture insights automatically — Generate notes with approaches, complexity, and key takeaways
- Reinforce smarter — Personalized flashcards and quizzes based on your mistakes and learning patterns
- Plan your journey — Generate a custom LeetCode study roadmap tailored to your goals and progress
Simulate interviews, build confidence
- Think on your feet — Adaptive mock interviews that test reasoning, not just answers
- Experience real dynamics — Practice with diverse interviewer personalities and styles inspired by FAANG and top tech companies
- Improve with clarity — Get detailed feedback, score breakdowns, and concrete suggestions
Loved by Students & Engineers
Join users who have transformed their LeetCode study experience with LeetCopilot.
Sarah Chen
Software Engineer at Google
“LeetCopilot completely changed how I approach LeetCode problems. The step-by-step hints helped me understand the underlying concepts instead of just memorizing solutions.”
Alex Rodriguez
Computer Science Student
“As a student, I was struggling with algorithms. LeetCopilot's smart notes feature helped me build a solid foundation. I'm now much more confident in technical interviews.”
Priya Patel
Frontend Developer
“The mock interview feature is incredible! It helped me practice explaining my thought process out loud, which was crucial for my recent job search success.”
Free for All Early Users
Leetcopilot is in early beta, so all features are currently available at no cost to every user.
- Step-by-step AI hints
- Auto-generated study notes
- Personalized quizzes and flashcards
- Realistic mock interviews
- Smart context awareness
- Agentic AI tools
- Powerful coding-optimized AI models
- Custom study roadmap
Frequently Asked Questions
Got questions? We've got answers. Here are the most common questions about LeetCopilot.
LeetCopilot is a Chrome extension that lives right inside LeetCode. It understands your code, tests, and errors to give step-by-step guidance — helping you progress without spoilers.
Yes. LeetCopilot is completely free during early access — no hidden fees, no trial limits. You get the full product, no strings attached.
Yes. You can sign in with Google, GitHub, or email. This lets you securely sync chats, notes, and flashcards across devices.
Study Mode turns every solved problem into structured notes, extracts complexity analysis, and creates flashcards — so you can review weaknesses without extra manual work.
Yes. Interview Mode simulates a real interviewer, asks follow-up questions, and gives feedback on clarity, correctness, and speed — so you know exactly what to improve.
LeetCopilot works on Chrome and Chromium browsers like Edge and Brave. Firefox and others are planned after early access.
Still have questions? Contact our support team
Ready to crack LeetCode faster and smarter?
Get guided hints, study notes, and realistic mock interviews — all without leaving LeetCode.