I have a chrome extension which hooks into the devtools. Ideally I want a badge that, when clicked, opens up the devtools on the new tab which I created. Is there any way to do this from the background page?
It seems unlikely that this is possible or will ever become possible,
which says: "We only allow explicit devtools opening."
Yes you can (or not) using the experimental APIs
You can even change the content and panels of it.
Note that you will not able submit extensions that use experimental APIs.
Unfortunately, There is no way to do that...
The chrome://chromewebdata link only works if an instance of dev tools is already opened...
This is quite old but since I stumbled upon it now searching for a solution I figured others might have too. Since Chrome 28 you can use the devtools.* API. This allows you to open and manipulate DevTools panels. It is also notable no longer expirimental.
One could try
It's not impossible with side extension, but if the reason is that you've tired to click Ctrl + Shift + I again and again every time - you can simply open the right button menu on needed page and select "Inspect" from it, it'll open the console like extension button, and also you don't need to search for its icon every time you need it, which is more conviniently than using an extension.
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