RANDOM · 安培熊的公平小幫手

Draw, group, or spin — fairly.

Uses browser secure randomness. Names stay on your device and are never uploaded.

Local only · Secure randomness · No hidden weighting

Name picker

Draw one or many names, with optional removal after each draw.

Random groups

Shuffle a list into balanced groups by group count or group size.

Decision wheel

Give every input line an equal chance, then spin for one result.

公平性說明：核心使用 crypto.getRandomValues() 與 rejection sampling，避免可預測的 Math.random() 與取餘數偏差。相同文字若輸入多次，就會被視為多個獨立項目；工具不會暗中移除或調整權重。正式有獎活動仍應自行保存參加名單、活動規則與抽取紀錄，並確認所在地規範。