Is there any addon/extension for chrome which can backup & restore installed extensions?
Chrome sync, which is built in to google chrome, can save all your chrome data (extensions, bookmarks, apps, etc) to your google account, which can then be accessed from anywhere. To enable chrome sync, simply click on the wrench icon, and click "Set up sync".
Hello, you could try Google Chrome Backup. It is not an extension though...it is a small program: