GGnetwork hand converter to work on H2N 3

Hello H2N 3 doesnt support ggnetwork format hands "hand2noteguide" had free converter but it doesnt work anymore
Maby somone uses this free converter is it safe and work? https://github.com/jokerlin/ggpoker_conv...
I saw paid version but i think it is overprice https://mammothhandconverter.com/
I know H2N 4 supports but it is in beta and doesnt have features what i need