decision-wheel-spinner
A decision wheel spinner is an animated random-choice tool where you list options as wheel segments and click to spin, landing on one at random — a fast, visually-engaging alternative to coin flips, dice, or "let's vote" deadlocks. The ZTools Decision Wheel Spinner runs entirely in the browser, uses cryptographically-strong randomness for fair outcomes, supports unlimited segments, custom colours, weighted (uneven) segments, sound-on-spin, and works on any device including projection for classroom or team use.
Use cases
Stuck-in-decision pairs
Couple deciding dinner; family choosing weekend activity. The wheel breaks deadlock without anyone "winning" the argument. Outcome rarely matters; the deadlock cost was the bigger problem.
Classroom random picker
Teacher needs to call on a student. Wheel of names ensures fairness (no bias toward extroverts). Students often experience this as fun rather than threatening.
Team standup or icebreaker
Random ordering for who speaks first; random pairing for breakout rooms; random topic for icebreaker. Lower-cognitive-load fun.
Raffle / giveaway draw
List participants on segments, spin, the landed segment wins. Visible randomness builds trust in the outcome.
How it works
- Add segments — One per option. Segments auto-size to fill the wheel evenly; can be weighted (one option larger = higher chance) for asymmetric draws.
- Customise — Colour per segment, optional emoji or icon, sound on spin start / stop.
- Click spin — Wheel rotates with deceleration. Spin angle determined by Crypto-API random (32-bit) — no shortcut to guess outcome.
- Read result — Pointer at top indicates winning segment. Result displayed below; option to remove that segment for "draw without replacement".
- Save / share (optional) — Save the wheel configuration; share a link to a pre-built wheel.
Examples
Input: 6 dinner options: pizza, sushi, tacos, salad, pasta, leftovers
Output: Spin lands on tacos (random angle 217° → segment 4 of 6). Decision in 3 seconds.
Input: 20 student names for cold call
Output: Each segment 18°; spin uniform. Over 100 spins, each name lands ~5 times — confirmed fair.
Input: Weighted wheel: 70% chance "Yes", 30% chance "No"
Output: "Yes" segment 252°, "No" segment 108°; weights respected.
Frequently asked questions
How random is the spin?
Uses crypto.getRandomValues — same cryptographic-grade RNG used for security applications. Outcomes are uniform across segments to within statistical noise.
Why use a wheel instead of just random.choice?
Visible randomness builds trust. When others see the wheel spin, they accept the outcome more readily than "the algorithm picked you".
Can I pre-rig the outcome?
No. The result is determined at spin time from the RNG; no setting to favour a specific segment outside of explicit weights.
Is the weighted wheel still random?
Yes — weights set the probability of each segment, but each spin is still randomly drawn from those probabilities. Equal weight = uniform.
Can I save my wheel?
Yes, locally. Persisted in browser storage so the same wheel reopens next session. Export JSON to share or back up.
Is this gambling?
For non-money decisions, no. For gambling-related uses, check local laws — randomness alone does not make a wheel gambling, but money + outcome does.
Tips
- Weight only when there's a real reason — equal weights are fairer and avoid suspicion.
- For draws-without-replacement (e.g. picking 3 winners), enable "remove on spin" to avoid duplicates.
- Project the wheel for classroom or team use — visibility is half the appeal.
- Use sound sparingly; a brief click on landing is enough, continuous music is distracting.
- Limit segments to ~12 for readability; more than that, group into categories or use a different tool.
Try it now
The full decision-wheel-spinner runs in your browser at https://ztools.zaions.com/decision-wheel-spinner — no signup, no upload, no data leaves your device.
Last updated: 2026-05-05 · Author: Ahsan Mahmood · Edit this page on GitHub