We just launched 𝐋𝐞𝐞𝐭𝐂𝐨𝐝𝐞 𝐕𝐢𝐬𝐮𝐚𝐥𝐢𝐳𝐞𝐫, a free tool that shows what your code is actually doing, line by line. The problem: when a LeetCode solution fails, you're left staring at code and guessing what line 14 did. Print statements only get you so far, and a recursion call stack is basically invisible. ▪️ Step through code, line by line, forwards and backwards. ▪️ Watch data structures such as arrays, grids, trees, linked lists and graphs come alive. ▪️ Supports Python, C++ and Java.

Hey Product Hunt! We're excited to share LeetCode Visualizer, a project we've been building to help people understand code beyond just reading it. When learning DSA, sometimes you understand the solution on paper but still struggle to understand what's happening inside the code. We wanted to make that process more visual and easier to follow. So we built a tool that lets learners explore code execution step by step. Introducing 𝐋𝐞𝐞𝐭𝐂𝐨𝐝𝐞 𝐕𝐢𝐬𝐮𝐚𝐥𝐢𝐳𝐞𝐫 — built to help take u forward We're sharing it here because we'd love to get feedback from developers, students, and anyone learning algorithms. Give it a try and let us know: - What feels useful? - What could be improved? - What would you like us to support next? Thanks for checking out our project! Try it out: https://leetcode-visualizer.in/

LeetCode Visualizer

Visualize your code. Understand every step.

Visualize your code. Understand every step.