Visualize Pathfinding Online
Draw walls and weights on a grid, then watch BFS, DFS, Dijkstra, A*, and Greedy Best-First explore and find the shortest path — with step narration and visit-count comparisons. Use Pathfinding Visualizer in your browser with no signup, no daily limit, and no backend processing for tool input.
Problem
You need a quick visual read on structured data before building a dashboard, report, or notebook.
What to do
A quick chart can reveal patterns, outliers, and missing values faster than scanning rows by hand.
- 1Load the data into Pathfinding Visualizer.
- 2Choose columns, grouping, and chart options.
- 3Export the chart or continue refining the dataset.
Use the browser tool
Pathfinding Visualizer lets you draw walls and weighted cells on a grid, then watch BFS, DFS, Dijkstra, A*, and Greedy Best-First explore it — the frontier floods outward, visited cells tint, and the shortest path draws itself when found. Comparing visit counts between runs shows exactly why A*'s heuristic matters.
People also ask
- Which algorithms guarantee the shortest path?
- BFS (for unweighted grids), Dijkstra, and A* with an admissible heuristic. DFS and Greedy Best-First trade that guarantee for speed or simplicity.
- What are the weighted cells?
- Cells that cost 5 to enter instead of 1 — sand instead of road. Dijkstra and A* route around them when it's cheaper; BFS ignores costs entirely.
- Does it work on a phone?
- Yes — drawing walls, dragging endpoints, and playback all work with touch.