Is Shadertoy unofficial plugin. safe?

Adds extra editing, backup, export, and playback controls for Shadertoy shaders.

This extension adds tools for Shadertoy such as recent shader lists, shader forking, saving owned shaders as new drafts, exporting shaders, and backing up a user's shaders as JSON. It also adds canvas resolution display, clickable links in comments and descriptions, custom parameters, preview and layout options, fullscreen editing, resolution shortcuts, playback controls, and sliders for iTime, inputs, mouse position, and render call multiplier.