Interactive Visualizers &
AI Tools for Developers
Beautifully designed developer plugins running in runtime isolation. Master the event loop, optimize resumes, analyze bundles, and more.
Free
Event Loop Visualizer
Visualize JS call stack, microtasks queue, macrotasks queue, and Web APIs in real time.
Pro
React Fiber Simulator
Visually simulate the React Reconciliation algorithm and Fiber node architecture.
More Tools Coming Soon
We are actively building more powerful visualizers and utilities to boost your productivity.