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Online Sequencer

Multi-instrument piano roll in a browser, backed by thousands of user sequences you can open, pull apart and ruin.

Opens in a new tab. We do not control this site and it may have changed since we catalogued it.

How to get the most from it

Online Sequencer sits in Music Makers under Make, filed as coffee break.

  • Set aside five to fifteen minutes and give it your proper attention.
  • Use a laptop or desktop computer — we file it as desktop only.
  • Turn the sound up or put headphones on — it needs audio.
  • No account needed — you can start without signing up.
  • Go in expecting something clever, useful and nostalgic.

About this category: Browser instruments, sequencers and sound toys designed so that anyone's first thirty seconds sound good. Headphones strongly recommended.

Good for

  • Filling a coffee break properly
  • Being impressed by a clever idea
  • Getting something practical done
  • A trip back to the older internet
  • Trying it with zero commitment

Online Sequencer: quick answers

Is Online Sequencer free?

Yes. Online Sequencer is free to use and needs no account.

Do I need an account to use Online Sequencer?

No. You can use Online Sequencer without signing up for anything.

Does Online Sequencer work on a phone?

Not well. We file Online Sequencer as desktop only, so open it on a laptop or desktop computer.

Is Online Sequencer safe for work?

Yes, we file it as safe for work. It does need sound, so bring headphones.

How long does Online Sequencer take?

We file it as "Coffee break": Five to fifteen minutes of proper attention.

More in Music Makers

All 14 in Music Makers
  • Every letter on the keyboard fires a sound and a matching shape, and mashing the whole row is the correct way to use it.

    • <1 min
    • Sound on
    • Desktop
  • One piano, several people, one link — everybody's keys light up in a different colour and it descends into noise fast.

    • 2 min
    • Sound on
    • Desktop
  • Grid sequencer with a marimba and a drum kit, tuned so that anything you tap sounds passable, then shared as a link.

    • 2 min
    • Sound on
  • Tap any key in rhythm and it plays the next chunk of Clair de Lune, so timing is the only skill actually required.

    • 2 min
    • Sound on

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