How to create addon for debugging tools

Hi Guys,

I’m looking a way to make an extension than can apply some CSS or JS on the Debugger tab of the Firefox debugging tools (F12).

I’m trying to solve the very annoying issue about the script text that do not scroll horizontally.


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Hi @nikijones, thanks for your reply.
I know a bit about extension and actually a created my first one a few months ago, but my problem is how to get the content inside the debugging tools, not the HTML of the current website page but Firefox debug tool, and how to apply those css and js file.
Can you please provide an example code?

WARNING: This forum is sadly filled with AI powered bots that replies to posts like yours, only to spam a link to some shitty spam page.
And as you can see, the generative AI can already write pretty nice looking responses :frowning:.

In any case, the devtools is not my area of expertise so the best I can do is give you link for the docs:

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