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Amidakuji (Ghost Leg) Maker

Enter participant names and prizes (or roles) to generate a ghost leg lottery with random horizontal rungs. Click a name to trace its path with animation and reveal the result. Cryptographic randomness keeps it fair.

Last updated: 2026/10/16 Random Feedback & bug reports
Fewer More

Click a name at the top to trace where it leads.

Pick a participant to trace

Results

No results yet. Create the ladder, then click a name, or press "Reveal All".

How to Use

1

Enter names and results

Type participant names on the left and results (prizes or roles) on the right, one per line. Mismatched counts are auto-filled.

2

Create the ladder

Press "Create Ladder" to generate horizontal rungs with cryptographic randomness. You can adjust how many rungs appear.

3

Trace the results

Click a name to animate the path to its result, or press "Reveal All" to see every outcome at once.

About the Amidakuji Maker

Amidakuji, also known as Ghost Leg or Ladder Lottery, is a Japanese method of drawing lots. Enter participants and prizes or roles, and this free tool builds the ladder for you. The horizontal rungs are generated with cryptographic randomness for fairness, and you can trace each path with animation. Everything runs in your browser, so the names and results you enter are never sent to any server. It is perfect for assigning seats, chores, gift exchanges, team splits, and more.

Features

  • Cryptographically FairUses crypto.getRandomValues to generate unbiased, fair ladders every time.
  • Animated TracingClick any name to watch the path animate down the ladder to its result.
  • Adjustable & ReshuffleTune the number of rungs and reshuffle as many times as you like with one tap.
  • Privacy FirstAll processing happens in your browser. Your names and results are never uploaded.

Use Cases

  • Assigning seats or who pays at parties
  • Dividing chores, duties, and roles
  • Gift exchanges, raffles, and prize draws
  • Splitting teams or deciding turn order
  • Picking winners or penalties in games and events

FAQ

Is the Amidakuji maker free to use?
Yes, it is completely free. No registration or installation is required. Just open it in your browser and start.
Is the draw really fair?
Yes. The rungs are generated with the browser's cryptographic random generator (crypto.getRandomValues), which is less biased than ordinary random functions. By the nature of a ghost leg, every participant always reaches a different result.
Are the names and results I enter saved?
No. Your data is never sent to or stored on any server. All processing happens locally in your browser.
How many participants can I set?
You can set from 2 to 12 participants. If the number of names and results differ, the shorter list is filled in automatically.
Does it work on smartphones?
Yes. It works on smartphones, tablets, and PCs. The ladder automatically resizes to fit your screen.

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