It's good at what it is made for and thus very useful. Unfortunately, it appears that it is breaking some websites even when the devtools are not open. For instance, I'm not able to log in to Float or Storyblok when this extension is enabled. (I couldn't find a better place to report this issue)
Sorry to hear this. We're looking into a couple similar issues. If you'd like, you could raise a help desk issue by emailing helpdesk@deque.com and include any additional details you see fit.
