🌀 Recursion Visualizer
Watch recursive functions unfold step by step. See the call tree grow and the stack build up as each call is made, then watch results propagate back up.
Speed:
📚 Call Stack
How to use: Select an algorithm, set the input, and press Run to animate or Step to go one call at a time.
Blue nodes are active calls, green nodes are returning results, and dimmed nodes are complete. The stack on the right shows the current call chain.