Visualize Data Structures

An interactive way to understand complex data structures. Choose one to get started.

Binary Tree Thumbnail

Binary Tree

A tree where each node has at most two children.

Binary Search Tree Thumbnail

Binary Search Tree

A sorted binary tree for fast data operations.

Trie Thumbnail

Trie

An efficient tree for storing and retrieving strings.

M-ary Tree Thumbnail

M-ary Tree

A tree where each node can have up to M children.

Graph Thumbnail

Graph

A collection of nodes connected by edges.

Visualize Algorithms

An interactive way to understand complex algorithms. Choose one to get started.

Binary Search Thumbnail

Binary Search

Animated step-by-step search on a sorted array.

DFS Thumbnail

Depth First Search

Pre-order traversal simulation with highlighting.

BFS Thumbnail

Breadth First Search

Level-order traversal simulation with highlighting.

Tree Traversal Thumbnail

Tree Traversals

Animate preorder, inorder, and postorder traversals.

About This Visualizer

This interactive playground helps you learn data structures and algorithms by seeing them. Build and edit trees/graphs, simulate traversals and searches, and explore step-by-step animations.

Use the top navigation to jump to sections, and share URLs (e.g. /binarytree) to deep-link a visualizer.