Free Chords, Scales & Fretboard Charts for Guitar & 20+ String Instruments
Every chord. Every scale. Every key. Look up any chord, scale, or note on 20+ string instruments — guitar, ukulele, banjo, bass, mandolin, violin and more. Clear, printable fretboard diagrams. Always free, no sign-up.
Whether you are learning your first chords or mapping out a solo, String Warrior draws every shape on the fretboard for your exact instrument and tuning. Explore chords, scales, and a fretboard explorer across 20+ string instruments, then practice with licks, exercises, and progressions. Keep time with the metronome, get in tune with the tuner, and sketch ideas in the progression builder and solo builder. Any page prints as a clean handout. Always free, no sign-up.
Jump back in
Chord of the Day
A fresh guitar chord to learn every day. See today's chord of the day and start a daily check-in streak — or play today's Daily Chord Riddle.
Scale of the Day
A fresh guitar scale to learn every day. See today's scale of the day and start a daily check-in streak.
Lick of the Day
A fresh guitar lick to learn every day. See today's lick of the day and start a daily check-in streak.
Song of the Week
A new public-domain song to learn every week. See this week's song or subscribe to the weekly feed.
Instruments
Pick a string instrument to open chords, scales, fretboard explorers, progressions, licks, and exercises. Multi-variant families use a chooser first; single-tuning instruments go straight to the fretboard tools.
Guitar
- 62 chord types
- 24 scale types
- 5 genres of licks
- 20 finger exercises
12-String Guitar
- 6 doubled courses tuned EADGBE — standard guitar shapes with the chime and chorus of doubled strings.
- EADGBE ×2
Bass
- 4, 5, and 6-string
- Chords, scales & progressions
- 5 genres of licks
- Finger exercises
Mandolin
- GDAE tuning
- Chords, scales & progressions
- 4 genres of licks
- Finger exercises
Banjo
- 4 tuning variants
- Tenor, plectrum, Chicago, 5-string
- Chords, scales & progressions
- Finger exercises
Ukulele
- Soprano, concert, tenor, baritone, bass
- GCEA (soprano–tenor), DGBE (baritone), EADG (bass)
- Chords, scales & progressions
- Licks & exercises on bass ukulele
Violin
- GDAE tuning
- Chords, scales & progressions
- 4 genres of licks
- Finger exercises
Cello
- CGDA tuning
- Chords, scales & progressions
- 4 genres of licks
- Finger exercises
Viola
- CGDA tuning
- Chords, scales & progressions
- 4 genres of licks
- Finger exercises
Double Bass
- EADG tuning
- Chords, scales & progressions
- 5 genres of licks
- Finger exercises
Bass VI
- EADGBE tuning (octave below guitar)
- Guitar shapes, deeper voicing
- Chords, scales & progressions
- 20 finger exercises
Baritone Guitar
- B, A, and C standard tunings
- 62 chord types
- 24 scale types
- 20 finger exercises
Classical Guitar
- Standard & Drop D tunings
- Nylon-string 6-string
- Chords, scales & progressions
- 20 finger exercises
Tenor Guitar
- 4-string guitar tuned CGDA — shared fifths-tuning library with tenor banjo for jazz, Celtic, and folk.
- CGDA
Puerto Rican Cuatro
- Standard & antiguo tunings
- B–E–A–D–G (5 courses)
- Chords, scales & progressions
- 20 finger exercises
Irish Bouzouki
- 4-course GDAD tuning — adapted 12-tone chord and scale position maps for Celtic accompaniment study.
- GDAD
Cavaquinho
- DGBD tuning
- Chords, scales & progressions
- Brazilian samba & choro reference
- Finger exercises
Charango
- Andean 10-string in 5 courses, tuned GCEAE — adapted 12-tone chord and scale position maps for folk repertoire study.
- GCEAE
Cuban Tres
- 3-course G-C-E tuning — adapted 12-tone chord and scale position maps for Cuban son and salsa study.
- G-C-E
Oud
- Fretless 6-course Arabic oud in CFADGC tuning — 12-tone position maps for reference, not maqam microtone or idiomatic oud fingering.
- CFADGC
Resonator Guitar
- 6-string Dobro in Open G (GBDGBD) — adapted 12-tone position maps for slide reference; verify idiomatic dobro voicings separately.
- Open G
Sitar
- Indian classical sitar in simplified C-G-C-G-C tuning — 12-tone reference only; traditional raga microtones aren't representable here.
- C-G-C-G-C
Lap steel
- C6 tuning (C–E–G–A–C–E)
- 48 chord types
- Chords, scales & progressions
- 4 genres of licks
- 15 technique exercises
What's Inside
Learn Guitar
A free, ordered beginner path — from tuning and your first chords to strumming, your first song, barre chords, and your first solo, with progress tracking.
Songbook
Play real songs from a growing library of public-domain and traditional chord charts — filtered by difficulty and the chords you already know.
Chords
Every voicing on the fretboard — open shapes, barre chords, and movable positions in every key.
Scales
24 scale types — Major, Minor, Pentatonic, Blues, Modes, Bebop, and world scales with full fretboard and position diagrams.
Fretboard Explorer
Toggle one note or stack several pitch classes, then light up every matching fretboard position with clear color-coded markers for the selected instrument.
Progressions
Diatonic chords for every key with common patterns — I-IV-V, ii-V-I, Pop Axis, 12-bar Blues, and more.
Licks
Guitar: bluegrass, blues, jazz, rock, and metal. Mandolin, violin, viola, and cello: bluegrass, Celtic, blues, and jazz (shared lick library). Bass, double bass, and bass ukulele: blues, rock, jazz, funk, and metal — tab, diagrams, and technique markers. Lap steel: Hawaiian, country, Western swing, and blues.
Exercises
20 guitar exercises across six categories — chromatic drills, spider exercises, legato, string skipping, stretching, and speed building. Adapted or instrument-specific sets cover every supported instrument, including bass, mandolin, banjo, ukulele, bowed strings, lap steel, classical guitar, extended guitars, and folk instruments.
Progression Builder
Sketch a chord progression for any instrument: pick a key for diatonic suggestions, see the easiest voicing transitions ranked by finger movement, then play it back, export it, or share a link.
Solo Builder
Click frets to assemble a phrase in any key and scale, or auto-generate a melodic line from a starting note. Fretted solo builder for guitar, mandolin, banjo, ukulele, and lap steel, plus a dedicated bass solo builder for 4/5/6-string bass and Bass VI — both with playback, export, and shareable links.
Practice tools
Metronome, tuner (mic and reference tone), key-from-chords, diatonic chords by key, progression builder, fretted solo builder (guitar, mandolin, banjo, ukulele, lap steel), and a dedicated bass solo builder (4/5/6-string bass, Bass VI) — all free in your browser from the Tools hub.
Music Theory
Note wiki, intervals, circle of fifths, chord construction, modes, scales by tonic — theory depth that connects back to chords and scales on every instrument.
Gear
Gear hubs for guitar, bass, mandolin, banjo, ukulele, lap steel, bowed strings, extended guitars, and folk instruments — body types, pickups, electronics, tonewood, strings, and hardware explained in plain English.
Pro-Quality Diagrams
ChordPic-style fretboard charts with string labels, nut or starting-fret label, mute/open markers, and crisp dot placement — plus a one-click branded PNG handout for chord, scale, fretboard explorer, progression, lick, exercise, and circle-of-fifths pages, ready to print or share.
How It Works
Pick an instrument
Choose from the Instruments section above or the compact hub — guitar, classical guitar, bass, mandolin, banjo, ukulele, violin family, double bass, Bass VI, lap steel, baritone guitar, 12-string guitar, tenor guitar, bouzouki, Puerto Rican cuatro, cavaquinho, tres, charango, oud, resonator, sitar, and every tuning variant supported.
Choose a section
Chords, scales, fretboard explorers, progressions, and exercises on every instrument; licks on guitar, bass, mandolin, violin, viola, cello, double bass, bass ukulele, 12-string guitar, and lap steel.
Switch display modes
Shape, Fingers, or Notes — see what works for you. Root notes always highlighted.
About String Warrior
Free, fast, and zero sign-up. String Warrior is a fretboard reference built for players who want every chord, scale, and pattern at their fingertips — no fluff, no paywall. Built by players, for players — clear, honest reference you can actually use, whether it is your first chord or your thousandth.
Start here
Learn guitar · Songbook · Instruments · Guitar chords · Tools · Music theory · Gear · FAQ
Common questions
- Is String Warrior free?
- Yes. Every chord chart, scale map, theory article, and practice tool on the site is free to use in your browser. There is no paywall and no account required.
- Which instruments are supported?
- Guitar (6–8 string), 12-string guitar, classical guitar (standard/Drop D), bass (4–6), Bass VI, mandolin, tenor guitar, Irish bouzouki, banjo (multiple tunings), ukulele sizes, violin, viola, cello, double bass, lap steel, baritone guitar (B/A/C standard), Puerto Rican cuatro, cavaquinho, Cuban tres, charango, oud, resonator, and sitar — each with chords, scales, fretboard explorers, and progressions where applicable, plus licks and exercises on supported instruments.
- Do I need to install an app?
- No. String Warrior runs as a normal website. Open any page on a phone, tablet, or desktop browser.
- Where should beginners start?
- Pick your instrument from the Instruments hub, open Chords or Scales, and try simple keys first. The Theory hub explains notes, intervals, and the circle of fifths if you want context behind the diagrams.
- Can I use this for teaching?
- Yes. Pages are designed for quick reference during lessons. The Tools hub includes a metronome, tuner, progression builder, a fretted solo builder (guitar, mandolin, banjo, ukulele, lap steel), and a dedicated bass solo builder (4/5/6-string bass and Bass VI); one-click branded PNG handouts are available on chord, scale, fretboard explorer, progression, lick, exercise, and circle-of-fifths pages for printing or projection.