If you do not see an output below, your browser does not support WebGL2. In this case, update your browser or visit the WebGL 1.0 version.
Note: The interface on this website is kept very simple. If you are looking for a more advanced online GLSL editor that allows uploading own 3D meshes and can handle custom
uniform variables, the GSN Composer might be of interest.
Shader Uniform: Open example in the GSN Composer