CRX id
ghnnofboenhhbhkfcfcjnfdeehdebnin
ghnnofboenhhbhkfcfcjnfdeehdebnin
Description from extension meta
Move Wikipedia article TOCs (table of contents) to the sidebar
Image from store
Description from store
You'll be amazed how you ever lived without it.
Also provides some minor quality of life tweaks, including centred content for wide screens.
Fully configurable from an options page.
Example page to try:
https://en.wikipedia.org/wiki/Human