NW.js DevTools are remote debugging tools where data is transferred through a socket connection from a local instanced server. Only the most relevant tools are present in NW.js DevTools as, for example, implementing the device emulator would clearly not serve any purpose.
By default, in order to open DevTools, the
window toolbar option in the manifest file must be set to
true, as described in Chapter 6, Packaging Your Application for Distribution. Once the application is open, you'll have to click on the gear button in the top-right corner of the window's toolbar to make the DevTools window appear:
Let's examine these tools and their functions panel by panel: