Inject Js and Css into websites in Chrome browser
- Just clone the git or download as zip
- Open it as directory
- Open Chrome Browser
- Open Extensions under tool menu
- Enable Developer mode
- Load unpacked extension
- Choose the Directory
- Now place your Js and Css file in the name of domains like "youtube.com.js" for inject Js on youtube, or "youtube.com.css" for inject css in youtube. For reference I have placed a youtube css file.