This is a good guide to learn lots of guitar chords.

Simply choose the chord you want to know from the list, click set, and see the correct fingering for that chord pop up. (Strings with blinking dots are played open)

JavaScript Guitar Chord Chart

A A7 Am Am7 A13 B7 C D D7 Dm D9 E7 Em7 Eb9 E13 F F5 G G5 G7 Gmaj7 Gm7 G6 G6/9