A method for providing a dynamic loupe in a window of an electronic device. The method includes displaying a document in the window of the electronic device, displaying, using at least dimensions associated with a first sub-region of the document being displayed, the dynamic loupe for the first sub-region, receiving an instruction to associate the dynamic loupe with a second sub-region of the document being displayed, determining one or more dimensions of the second sub-region, and displaying, using at least the identified one or more dimensions, the dynamic loupe for the second sub-region.