provides useful dev tool shortcuts
devHelper is a set of tools to help front-end developers "debug" / "test" their products.
easy access to common tasks to run without the need to open chrome devtools.
you can easily control the session/local storage and the cookies that are stored by the current tab and also make some basic automation ( wait, click, set value, and copy value ).
The home page contains some quick actions to perform and the other pages have more details and options about every specific topic.