PUBLIC MARKS with tags tuto & code

This extension can be installed on Chrome. However, it is not hosted on Chrome Webstore. You have to download the source code and load the extension as an unpacked extension. Download and extract the ZIP file. Navigate to chrome://extensions/. Enable "Developer mode". Click "LOAD UNPACKED" button and select the extension folder that is previously extracted. Other explanation: https://developer.chrome.com/extensions/getstarted#manifest