Support

Guitar, ukulele and bass, each with standard plus popular alternate tunings (Drop D, DADGAD, Open G/D, half-step down, low-G and baritone ukulele, 5-string bass, and more). Every diagram can be mirrored for left-handed play.

It always does. Fretwise builds voicings from music theory on the fly, so even unusual chords return real, playable shapes across the neck — no blank "not found" pages.

Yes — completely. Chords, scales, progressions and the built-in audio are all generated on your device, so Fretwise works with no connection.

Only in your browser, via chrome.storage. You can export it to a JSON file for backup or to move it to another computer, and clear it any time in Settings.

storage and unlimitedStorage keep your songbook and settings on your device, sidePanel powers the practice companion, and commands enables the keyboard shortcuts. The single host permission is the Extension Factory site, used only to fetch the display-only button config — no personal data is sent.

Yes. Chords, scales and progressions can be played through a lightweight on-device synthesizer — no samples are downloaded.