The latest articles on DEV Community by Zynviro (@zynviro). https://dev.to/zynviro https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.us-east-2.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F4104025%2F730bea0a-1238-4474-8f7e-de5c4018ce85.jpeg https://dev.to/zynviro en Zynviro Tue, 01 Sep 2026 09:36:04 +0000 https://dev.to/zynviro/i-built-an-interactive-pathfinding-visualizer-to-make-algorithms-easier-to-understand-1hl5 https://dev.to/zynviro/i-built-an-interactive-pathfinding-visualizer-to-make-algorithms-easier-to-understand-1hl5 <p>I’ve always found pathfinding algorithms much easier to understand when I can actually see them running instead of just reading pseudocode.</p> <p>So I built PathLab, an interactive browser-based pathfinding visualizer.</p> <p>You can draw walls and weighted cells, generate mazes, change the animation speed, and watch different algorithms explore the grid in real time.</p> <p>It currently supports:</p> <ul> <li>BFS</li> <li>DFS</li> <li>Dijkstra</li> <li>A*</li> <li>Greedy Best-First Search</li> <li>Bidirectional search</li> <li>Weighted grids</li> <li>Maze generation</li> <li>Interactive start/target nodes</li> <li>Real-time pathfinding visualization</li> </ul> <p>The main goal was to make algorithms like Dijkstra and A* feel less abstract and easier to experiment with.</p> <p>Tech stack:</p> <ul> <li>JavaScript</li> <li>Node.js</li> <li>Express</li> <li>HTML/CSS</li> <li>Bootstrap</li> </ul> <p>I built it mainly as a learning project, but I’m hoping to keep improving it and potentially add more algorithms and features.</p> <p>I’d really appreciate feedback from other developers — especially if you have ideas for algorithms, visualizations, or features I should add.</p> <p>GitHub: <a href="https://github.com/zynviro/" rel="noopener noreferrer">https://github.com/zynviro/</a></p> javascript programming algorithms webdev