Hardness measurement software for digital camera for interfacing to most hardness testers. This system is designed for case hardness depth judgement and  reporting of hardness testing giving repeatable measurement of hardness impression. Traditional ocular measurement is difficult to control and can lead to variable. For computer measurement the indentation is enlarged through a high resolution lens and the size of the indentation can be mouse measured for accurate Vickers hardness results. System is supplied with software support, high resolution camera and standard camera adaptor. Three levels are available offering manual measurement or automatic measurement with options for computer control of the hardness tester to control load, time, objective lens and measurement.