WebGL < (web)dev toolbox

2 m ago in Online Tools

ShaderGif

Live editing of shaders with the ability to save them as animated GIF

https://shadergif.com/

3 y ago in Stuff

WebGL performance

WebGL Debugging and Profiling Tools (November 2013)
http://nical.github.io/onGameStart2013/
MDN: WebGL best practices