Chord Painter
All practice stays on this device
E-SHAPE · STANDARD TUNINGROOT C · FRET 8

Click a fret to paint. Click the dot to erase. X / O = muted / open.

YOUR CHORD

C

Major

Practice settings

Show on dots

Move the root fret to transpose the whole shape.

0correct
0failed
—accuracy

The root is your anchor. Every number is an interval from the chosen root. The smaller label is the note name.

Your completed rounds will build a practice history here.

Input & calibration

Check another note (optional)

Your practice

Questions from completed rounds only. Reset discards an unfinished round; earlier completed rounds stay saved.

Round review

Chord typeEvidenceNext roundYour comment

GPT receives these comments and practice summaries. Your audio stays on this computer. Preferences influence the plan; they do not remove chords from practice.

Prepared next round

Career

Green · clean successesYellow · mixed / recoveredRed · mostly unsuccessfulGray · not tested

Your practice, on your computer

Keep results, career history, comments and settings in one JSON file. Open it when you return; changes save automatically.

Choose a local folder. There is no cloud copy of this practice file and no hidden browser backup.

Close the app and delete the JSON file to remove your saved practice. GPT only receives comments and summaries when you choose Analyze comments.