See the download page for details. December 26th, 2016: im2graph version 1.21 Free and Premium with OCR. New with the Premium version: OCR. As well as unlimited undo/redo capability, multiple graph support. New with the Free version: GUI and performance enhancements. Im2graph Version 1.00 New Features. Converting a Graph With No Axis Values. A Complex Graph With Degridding and Frame Selection. Selecting a Low Contrast Line with a Strong Grid. Logarithmic Scales (log-log plots).