extension ExtPose

Inject Code

CRX id


Description from extension meta

Inject different javascript or css code to every website, when you want

Image from store Inject Code
Description from store Extension will remember all css/js code you injected in every website and auto-inject them when web page is loaded. Features: - inject custom js/css to website - inject CDN links to website - 38 most popular themes - auto-inject code to site option ( after loaded page scripts will inject automatically) - highlight syntax errors and warnings - hot keys : * Ctrl+Enter - run code, * Ctrl+F - find in editor For inject code to site: - open browser devtools panel, - go to "Inject code" tab - write code ( on typing code autosaving ) - on right top corner set ckeckbox "Inject code", and after reload code will be injecting to page ( or press buttom Play for once execute code )

Latest reviews

  • (2023-01-03) Mundo Festas VG: works sooo good just one problem, when the user change the tab before the script is injected, it gets injected in another page, and not run in the page i wanted, can i do something to block the user to do that? or re-inject the script, even the tab in focus is another... just saying, thanks for the effort to make this awesome extension!
  • (2022-09-21) V: Working like a charm! Please add "Run" button to addon menu or to HTML on running site.
  • (2021-10-26) Echology: This extension is perfect, great access to injectable js and css. Looks and functions amazing, good job!
  • (2020-08-28) Nakul Vijay: Better way to test . it would be awesome if it could have delay the load feature

Latest issues

  • (2023-01-10, v:0.91.21) Glob Dug: Where scripts are stored?
    Hello, I was playing with a script and I closed the tab. Now when I load the page the script autoload and freeze my browser cause of a infinite console.log in a loop. The problem is that even if I am fast enough to uncheck the "Auto-inject" checkbox, I don't know where the script I made is stored and how to fix it... The only solution I see is to uninstall the extention but I don't want to do this cause it works very well... :)
  • (2022-10-28, v:0.91.21) Elie Grenon (BinaryPoney): Open Source
    Please make the project open source so people like me can contribute. It would also make the extension more trustable...
  • (2022-07-15, v:0.91.21) Allan Carhart: Where does 'Inject Code' store the code I write?
    I know that it is associated with the website or domain name. I'm pretty sure I wrote some JS to be injected but I'm no longer seeing it. Is there somewhere in the filesystem or the Windows registry where you store the code so I can retrieve anything I wrote previously? Thanks!


625 history
4.6 (5 votes)
Last update / version
2020-08-03 / 0.91.21
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