Graphics Interchange Format. Not Jraphics. Unless you spell it out as Jee-Ai-Eff
Also, git isn’t spelled “jit”, it’s not “jit gud”, nor “jit hub”. Other examples that would be wrong: jirl, jirth, jiddy, jirder, jingko
Most of the ‘ji’ sounding words are rooted from other languages, mostly French (some of them brought over from Latin). Finally, languages where ‘ge’ and ‘gi’ sound like ‘je’ and ‘ji’ say ‘Gif’