Major Triads Chart
You want a major triads chart. Ask yourself, "Why?"
Chord charts keep you reliant on them. Using them consistently implies that you need something or someone outside of yourself to master these chords. News update: nothing could be further from the truth.
You don't need charts. You need to master these triads.
How long does it take?
How about minutes? That's right. We're going to introduce you to a tool that will have you mastering piano triads within minutes. You can do this... and you'll be able to use those charts for scrap paper.