Guitar Composers Tool Box

Free online tools for guitar and ukulele composers:

Guitar Chord Finder — Find all chord positions on the fretboard. Filter by fret range.
Ukulele Chord Finder — All ukulele chord shapes and positions.
Guitar Scale Harmonizer — Get diatonic triads and seventh chords for any scale.

Enable JavaScript for the full interactive experience with chord diagrams and fret filtering.

Cavaquinho Chord Finder

All cavaquinho chord positions — standard tuning (DGBD)

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Move the sliders to select the first and last frets to display

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The cavaquinho is a Brazilian 4-string instrument tuned to D-G-B-D. It is essential in samba and choro music.

Select the root note and chord type, then click GET CHORD to see all possible positions on the fretboard.

Use the fret filter to find voicings within a specific range on the neck.