StrumForge

Guitar chord progression generator

Generate a progression, start a groove, and play immediately.

StrumForge is a free web guitar chord progression generator for practice, songwriting, improvisation, and learning new shapes. The native apps may offer optional Pro features. If you want a random guitar chord generator, it can do that too, but with enough control to keep the result playable and musical. No account required to start. No ads.

  • 425,000+ unique progression combinations
  • Playable chord diagrams in tempo
  • Built-in mode and pentatonic scale views
StrumForge showing progression controls, chord diagrams, and scale view in landscape
One screen for generating harmony, following shapes, and hearing the progression in time.

How to use the guitar chord progression generator

StrumForge is built to get you from a blank screen to a useful practice loop in a few seconds. The workflow stays short even when you want tighter control over the harmony.

  1. Choose the musical lane

    Lock the key or randomize it, then select one or multiple modes to decide how narrow or wide the progression search should be.

  2. Shape the chords around your hands

    Choose open chords, barre chords, triads, or power chords, then add sevenths, suspended chords, or add9 color when you want more texture.

  3. Start playing instead of tweaking forever

    Run the groove, follow the diagrams in tempo, swap shapes, move diagram positions, or manually override individual chords when one chord needs to change.

What makes StrumForge more useful than a random chord picker

The point is not just to generate chords. The point is to generate a progression you can actually hear, understand, and use on guitar right away.

Harmony control

  • Generate over 425,000 unique chord progressions instantly.
  • Lock the key or randomize it.
  • Choose one mode or several and cycle through them for varied results.
  • Lock or manually override individual chords inside a progression.

Fretboard context

  • Play along with visual chord diagrams that stay in tempo.
  • See chord interval and shape labels while you practice.
  • Solo with built-in mode and pentatonic scale diagrams.
  • Swipe across the scale view to inspect the chords inside the displayed key or mode.

Practice-friendly control

  • Choose open chords, barre chords, triads, or power chords.
  • Add sevenths, suspended chords, and add9 voicings.
  • Cycle through different shapes and fingerings for the same chord.
  • Use drum groove, tempo, guitar tone, left-handed support, and landscape mode to fit your session.

When you want a random guitar chord generator, but still need something usable

Many random chord tools throw out disconnected chord names and leave you to figure out whether they feel good under the fingers or make musical sense together. StrumForge keeps the fast idea-generation part, but adds the context that makes the result useful on guitar.

Random when you need a spark

Generate a fresh progression quickly when you want to break a writing rut or start a warm-up with something unexpected.

Structured when you need a real progression

Keep the key, mode, and chord-family controls close so the result feels like a progression instead of a pile of unrelated chords.

Playable on the instrument

Use shape filters, voicing options, and visible fretboard diagrams so the idea is not just theoretical, but something you can actually play.

Easy to refine

Lock chords, swap shapes, or manually change one chord when the generated idea is close and only needs a little more direction.

Example guitar chord progressions to try first

These are the kinds of progressions StrumForge is good at turning into immediate practice material. Start with one, then change the key, chord family, or shape set until it feels like yours.

Pop

G major: G, D, Em, C

I, V, vi, IV for steady strumming practice and familiar pop movement.

Minor loop

A minor: Am, F, C, G

A simple loop for pentatonic work, melodic phrasing, and alternate chord shapes.

Color chords

C major: Dm7, G7, Cmaj7, Am7

A smoother progression when you want seventh chords and more harmonic pull.

Blues

A major: A7, D7, A7, E7

Good for timing, shuffle feel, and testing groove playback at different tempos.

Best for warm-ups, songwriting, improvisation, and learning shapes

StrumForge is designed to stay out of your way. You can generate a progression, hear it, follow the fretboard shapes, and get to actual playing without setting up a DAW, metronome, loop pedal, and theory reference across five tabs.

Warm-ups

Set a groove, pick open or barre chords, and work on cleaner transitions before the session gets more demanding.

Songwriting

Generate fast variations, keep the chords that work, and manually override the one chord that needs a different color.

Improvisation

Use the scale diagram to see the mode or pentatonic shape that fits the progression while the groove keeps moving.

Shape learning

Cycle fingerings, move diagram positions, and compare voicings without losing the rhythm underneath you.

Hear what the chords sound like while the progression plays

Some players search for a chord sound generator because chord names alone are not enough. StrumForge is built to help you hear the progression in time, follow the active chord visually, and practice against a groove instead of guessing how the harmony should feel.

Playback in context

  • Run a built-in groove so the chords feel rhythmic instead of static.
  • Hear how one chord leads into the next inside a loop.
  • Adjust tempo to slow down new ideas or push them harder.

Visual timing support

  • Follow highlighted chord cards while the progression moves.
  • Keep chord diagrams visible so the harmony and fingering stay connected.
  • Use the scale view when you want to hear and see solo ideas against the same progression.

FAQ

Is StrumForge free to use?

Yes. The web version is free to start and does not show ads. Free generation limits may apply, and StrumForge Pro unlocks unlimited chord progression generation.

Can I choose the key and mode?

Yes. You can lock the key or randomize it, then choose one mode or several modes to influence the kind of progression you get back.

Can I control the chord shapes?

Yes. You can work with open chords, barre chords, triads, or power chords, then add sevenths, suspended chords, and add9 voicings when you want more color.

Can StrumForge work like a random guitar chord generator?

Yes. You can generate fresh chord ideas quickly, then use key, mode, and shape controls to keep the result musical and useful on guitar.

Can I solo over the progression?

Yes. Built-in mode and pentatonic scale diagrams help you see what to play over the progression while the groove is running.

Can I hear what the chords sound like?

Yes. StrumForge includes groove playback and in-time chord highlighting, so you can hear how the progression feels instead of only reading chord names.

Does it support left-handed players?

Yes. StrumForge includes left-handed chord diagram support, plus adjustable diagram positions for a more comfortable practice view.