Incognito Blocker

About

This extension blocks incognito tabs. It must be allowed to run in incognito mode to work. 

See the readme for instructions on allowing it to run in incognito:
https://github.com/brismuth/incognito-blocker/blob/master/README.md#allow-it-to-run-in-incognito

This extension is open source: https://github.com/brismuth/incognito-blocker

This is the entirety of the code that is running:

chrome.tabs.onCreated.addListener((tab)=>{
  if (tab.incognito) {
    chrome.tabs.remove(tab.id);
  }
});