JavaScript Event Loop Visualizer
Visualize JS Event Loop: Call Stack, Micro & Macrotasks
# Developer ToolsWhat is JavaScript Event Loop Visualizer ?
This tool is an interactive, privacy-first JavaScript Event Loop visualizer that helps users understand call stack, microtasks, and macrotasks execution order. It runs fully offline in your browser to simplify learning async JS behaviors safely and visually
Problem
JavaScript learners traditionally rely on static resources (documentation, tutorials) to grasp the event loop, leading to difficulty visualizing asynchronous execution flows and inefficient debugging of async code.
Solution
A privacy-first interactive web-based visualizer tool enabling users to simulate JavaScript code execution step-by-step, highlighting real-time interactions between the call stack, microtasks, and macrotasks.
Customers
Junior developers learning JavaScript, coding bootcamp students, educators teaching async programming, and engineers debugging complex runtime behaviors.
Unique Features
Offline operation with no data tracking, dynamic visualization synchronized with code execution, and sandboxed environment for safe experimentation.
User Comments
Clarifies event loop mechanics visually
Useful for debugging async issues
Simplifies complex JS concepts
Praises offline functionality
Requests expanded feature set (e.g., Web APIs)
Traction
Launched 2023, 2.6k+ GitHub stars, 500+ ProductHunt upvotes, featured in JS newsletters like JavaScript Weekly and Frontend Focus.
Market Size
14.4M+ JavaScript developers globally (2023 SlashData), with asynchronous programming being a core skill for web/app development roles.
