Software Alternatives & Startups

Officially verified details Fretboard

Tap the frets you're holding and get the chord name, slash chords and inversions included. Free, in the browser, no login.

Fretboard

Fretboard Reviews and Details

This page is designed to help you find out whether Fretboard is good and if it is the right choice for you.

Screenshots and images

  • Fretboard chord identifier in 3D //
    2026-11-07
  • Slash chord in 2D view //
    2026-11-07
  • Synth and pedalboard //
    2026-11-07
  • Scale overlay //
    2026-11-07
  • Chord library //
    2026-11-07
  • Light mode in 3D //
    2026-11-07

Features & Specs

  1. Chord Recognition

    Tap the notes you're holding on an interactive neck and Fretboard names the chord. It knows 40 chord types, from triads to 13ths and altered dominants, and handles slash chords and inversions. It also lists the other ways to read the same notes.

  2. Chord Library Access

    144 chords, each with voicings up the neck, capo options, notes and intervals, the keys it belongs to, and progressions to try.

  3. Guitar Learning Tool

    Plain-English guides on reading chord diagrams, how chords get their names, slash chords and inversions, barre chords and CAGED, using a capo, and alternate tunings.

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Questions & Answers

As answered by people managing Fretboard.
  1. Why should a person choose Fretboard over its competitors?

    • Free, no account, works in any browser, phones included.
    • More than one answer: it always shows the bass note (E–G–C reads C/E, not plain C) and lists the other readings underneath, so you learn why a shape has more than one name.
    • Built for songwriting, not just lookup: hear the chord on acoustic or electric, run it through pedals and arpeggiate it.
    • A full chord library: 144 chords, each with voicings up the neck, capo options, intervals, keys and progressions.
    • Guides on things like reading chord diagrams and alternate tunings.
  2. What makes Fretboard unique?

    Most chord identifiers name a chord from a grid of dots and stop there. Fretboard lets you hear it too.

    • Names what you're actually playing: tap notes on an interactive neck and it names the chord, including slash chords, inversions and other ways to read the same notes.
    • Plays it back: a built-in synth with a pedalboard (distortion, chorus, flanger, wah, delay, reverb), a strummer and an arpeggiator.
    • Fits how you play: standard, drop D, open G, open D and DADGAD tunings, a capo, a left-handed mode and an optional 3D neck.
  3. How would you describe the primary audience of Fretboard?

    Guitarists who write songs or play by ear and keep finding shapes they can't name:

    • Beginner to intermediate players learning chord theory
    • Songwriters who want to name and hear a voicing they stumbled onto
    • Players exploring alternate tunings like DADGAD or open G, where chord charts are hard to find
  4. What's the story behind Fretboard?

    I've been playing guitar for over twenty years. I started on an off-brand Strat, and these days I play an acoustic, a Strat and a Tele.

    Fretboard came from years of writing songs and stumbling onto chord shapes I couldn't name off the top of my head - it impeded the songwriting process. I wanted something I could pull up anywhere to work out what I was actually playing, hear it back, and run it through some pedals. So I built it.

  5. Which are the primary technologies used for building Fretboard?

    • Next.js and React
    • Web Audio API for the synth, strummer, arpeggiator and pedalboard effects
    • Three.js for the optional 3D neck
    • A custom JavaScript chord recognition engine

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Is Fretboard good? This is an informative page that will help you find out. Moreover, you can review and discuss Fretboard here. The primary details have been verified within the last quarter. So they could be considered up to date. If you think we are missing something, please use the means on this page to comment or suggest changes. All reviews and comments are highly encouranged and appreciated as they help everyone in the community to make an informed choice. Please always be kind and objective when evaluating a product and sharing your opinion.