FRETFAN · PROFESSIONAL BROWSER TOOL
Map a multiscale fretboard.
Start with a standard six-string, multiscale seven-string, or short-scale bass to calculate every fret intersection, neutral fret, angle, and millimetre SVG.
01 · WORKBENCH
Inputs and files stay on this device
Processed locally
/Focus first input⌘ ↵Run primary action⌘ ⇧ SDownload local reportAlt RJump to latest resultsAlt LSwitch languageAlt TSwitch themeAlt CToggle high contrast
Local report studioPreview · Markdown · JSON · SHA-256
SHA-256
—Uses only the currently visible result summary, never input controls or original files; the fingerprint is also calculated locally.
Local analysis checkpointsUp to 5 · saved only when you choose
Stores only the visible result summary, time, and an optional short label; imported files and input controls are never stored. Imports must match this tool and stay under 128KB; comparison also stays on this device.
02 · CAPABILITIES
Built deeply for one narrow workflow
Selectable neutral-fret alignment
Millimetre SVG and CSV
Fret positions use ideal twelve-tone equal-temperament string ratios. String stiffness, fretting stretch, nut/saddle compensation, fret-crown width, and build tolerances still require luthier judgment.
Read the source ↗NO ACCOUNT · LOCAL PROCESSING · EXPORTABLE