Here are some good free Guitar Fretboard Diagram generator software & websites to generate Guitar Fretboard Diagram on Windows 11/10 PC.

There are a couple of ways to tune your guitar to perfect 4ths. You could tune the bottom four strings down a half-step, or you could tune the top to strings up half a step to C and F respectively.

Capo example The blue line in the diagram represents a capo - for this A chord, place it at the 2nd fret. Capos change the fret number ordering. Here, the original 5th fret now becomes the 3rd fret, ...