You can convert your image to a base64-dataURI, and use it instead of file://./cursor.png: = 'url('data:image/x-icon base64,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%3D%3D'), auto' The basic way to include a cursor through JavaScript is: = 'url(.location-of-pic.), auto' You can't ( but see below), because the file:// cannot be accessed or referred from other protocols.

.png to mouse cursor file