Watch Amida-san in Action - A Fair and Transparent Lottery Tool

Introducing Amida-san, a web service for creating and sharing online amidakuji.

Watch Amida-san in Action

Get a full picture of what Amida-san can do in this 50-second video. From creating an event to adding rungs and running the drawing, the actual interface is faithfully recreated. See for yourself how transparent and fair lottery works, step by step.

What You Can Do with Amida-san

1. Easy Sharing and Participation via URL

Create an event and share the URL -- that's all it takes to get started. Participants enter their names and add rungs to join. Once everyone is ready, the administrator starts the draw.

2. Transparent and Fair Drawing

Since all participants add rungs together, no one can manipulate the results. Because everyone contributes to building the amidakuji, there's a strong sense of trust. It works great for company events, school activities, gatherings with friends, and more -- delivering a drawing that people genuinely trust. It features mathematically proven fairness.

3. Support for Large Groups

Up to 299 participants can join, and the interface is easy to use even on smartphones. You can check participation status in real time, making it smooth to run even large-scale events.

4. Various Use Cases

Amida-san can be used in situations like these:

• Event lottery: Prize distribution, winner selection
• Team division: Project teams, group work
• Role assignment: Task assignments, duty rotation, moderator selection
• Order determination: Presentation order, speech order
• Seating arrangement: Social gatherings, parties

5. Amida 3D (Premium Option)

A dynamic 3D animation designed for large groups, where balls roll through three-dimensional space in an exciting display. The suspense of not knowing the result until the very end adds to the thrill.

Recommended For

• Event organizers: Those who want to ensure transparency in draws
• Teachers and instructors: Those who want to fairly divide groups or determine order
• Project managers: Those who want to conduct fair team formation
• Party planners: Those who want a fun way to decide seating or roles

For more details, check out the introduction to Amida-san or the free online amidakuji guide.

Amida-san is a free online amidakuji tool. Experience fair decision-making that everyone can agree on.