Env checker shows you the difference between two .env files from source to destination.
When you're dealing with the key value pair and the pair is separated by an equal sign (=), this extension can be helpful. When you're developing an application, the main concentration is given to complete the task and you add your key to your file and you may forget what you added. It can be time consuming to find out what were added at the time of development. Moreover, whenever you are coping the file from example to the actual one you need to be sure that you're doing it right.