Explore the
fretboard
Visualise scales, chords and modes across the full fretboard. Pick a key, choose a fingering system, and see every note laid out clearly.
Scales & Modes
See any scale mapped across all 24 frets. Switch between full fretboard, CAGED, 3NPS, or per-string fingerings and toggle between note names and intervals.
Major · Minor · Pentatonic · Modes · CAGED · 3NPS · Custom fingerings Open Scales →Chords & Voicings
Explore every chord type across the neck. View triads, drop 2, drop 3 voicings, and see full chord diagrams with finger positions for any key.
Triads · 7ths · Drop 2 · Drop 3 · Narrow & Wide · Chord diagrams Open Chords →Suites
Everything for a song in one place: the chord chart, its diagram sheet and a practice collection. Browse the ready-made progressions — blues, jazz, bluegrass, four-chord songs — or build your own.
Song charts · Diagram sheets · Collections · Ready-made progressions Open Suites →Metronome
Spacebar to start / stop
Chromatic Tuner
Select notes to identify intervals, chords & scales
Circle of Fifths
Click a key to see details
Scale Explorer
All possible scales in 12-TETFilters
Previews are shown inline next to each setting below.
Preview
Instrument
Dots
Frets & strings
Export quality
Chord settings are available to administrators.
Export quality
Export quality
Export quality
Chord diagrams
Override fill, border, and opacity for individual marker shapes. Leave blank to use the defaults above.
Export settings
Fretboard
Piano
Interval scroller
Scale circle
Page layout
Mobile layout
Display defaults
Set the default label mode for every area. Leave on "Default" to inherit the global setting. Per-area controls in each page will still override these.
Preview
Fretboards
Preview
Chord diagrams
Preview
Account
Subscription
Become a member to unlock collections, advanced voicings, PDF export, and more.
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Preferences
Display
These settings are stored on this device only. Set a different size on each device (e.g. a larger size on a high-resolution studio monitor).
Data
Export your workspace as a single .fretly file. Drop it anywhere in this app on another device to bring your charts, suites, collections, and folders with you. You can also export a single chart from its toolbar, or a folder from its right-click menu.
Keyboard shortcuts
Every hotkey available on Fretly's pages, in one place.