THE PRACTICE WORKBENCH
Piano Chord Finder
Put a name to those notes.
Make it yours.
Audio is synthesized in your browser. No account or upload required.
Keyboard and fretboard labels use sharps for physical pitches. Chord and scale lists use their musical spelling; for example, D# and Eb sound at the same pitch.
Reference: Open Music Theory: triads. This is a practice tool, not a transcription service.