Extension provide maximize button to maximize canvas area and export to image facility.1. Extension adds a maximize button in salesforce schema diagram toolbar to allow users to work on maximized view and restore it to standard view.
2. Extension provides Export Diagram button in maximized view which allow users to download schema diagram in PNG file.
NOTE:
1.Please rename downloaded file with PNG extension.
2.Performance of this extension is not tested, It may not work properly on low end machines.