EditCNC
Compare files with Windiff
The File Compare application we use in EditCNC opens two text files on the same page. It shows very clearly where lines of g-code differ between the two.
System requirements:
Any computer with Windows 98, ME, 2000 XP, NT, Vista, Win7, 8 or10 (32 or 64 bit).
ConnectCNC requires at least one serial COM port, or USB/RS232c port converter.