Chord strip, diagrams, and controls—synced to playback.
What you get
Synced chord strip
Scrolling chord blocks locked to playback—see what to play and when.
Diagrams
SVG guitar chord diagrams for previous, current, and next chords.
Transpose & timing
Shift chords by semitones and nudge sync if the video is slightly off.
Community data
When chords exist for a video, they load instantly. You can contribute by uploading matching audio for analysis—audio is processed and deleted; only chord data is kept.