There is no zoom in an IE ActiveX control (embedded) instance, even when done manually. So as far as I know you're out of luck. Exactly as with the full IE instance, XDPI and YDPI are there for read-only reference, though: #include <GUIConstantsEx.au3> #include <WindowsConstants.au3> #include <IE.au3> _IEErrorHandlerRegister () $oIE = _IECreateEmbedded () GUICreate("Embedded Web control Test", 640, 580, _ (@DesktopWidth - 640) / 2, (@DesktopHeight - 580) / 2,