Tool for sitecore developers
Sitecore Developer Tool allows work with Sitecore instance that is opened in the current tab. You can quickly go to different admin pages like serialization, cache, show config and so on. Also you can switch between databases or set new database on the option page.
Context menu allows to quickly go to Sitecore item, for this you should select id and select appropriate command in context menu.
All available configuration settings are presented in option page where you can add, remove or edit these pages.