Open the Guitar Toolkit
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Free · Offline · No signup
Guitar Key & Scale Finder
Enter chords. See key. Get scales to solo over.
Open Key Finder100% Private
No data leaves your device
Works Offline
Cached after first load
±1¢ Accuracy
Pro-grade pitch detection
4.9/5
18,423 ratings
"I'm playing Am, F, C, G — what key am I in?" The tool analyzes the chords, identifies the most likely key (C major / A minor), lists every other chord that belongs to it, and suggests scales that fit for improvisation.
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