Quick links: documentation · itch page (has the demo!)
Note: You also get this extension when you buy Desktop Screenshots
This miniature extension lets you poll coordinates and dimensions of all displays, alongside with active areas (in other words, areas excluding taskbars) and minor metadata (whether the display is primary, system-assigned display name).
This can be used for things like:
Supported versions: GMS1, GMS2
Supported platforms: Windows, Windows (YYC)
End User Licence Agreement (EULA).