Spector.js is a free Chrome add-on developed by babylon.js. It is a valuable tool for WebGL developers who want to gain better insights into their WebGL scenes. With Spector.js, developers can capture all the available information from a frame, allowing them to analyze their entire commands list along with their associated visual states and context information.

This tool is compatible with any WebGL capable browser and works seamlessly with web-based 3D engines as well as vanilla scripts. Whether you are working on complex 3D graphics or simple web applications, Spector.js provides a convenient way to explore and troubleshoot your WebGL and WebGL2 scenes. With its user-friendly interface and comprehensive features, Spector.js is a must-have for any WebGL developer looking to optimize and debug their projects.