乱数ピッカー
カスタム範囲内で乱数を即座に生成します。
Random Numbers
Click Generate to start
Custom Range Min/Max
Use this tool to generate true random numbers for lotteries, giveaways, or scientific sampling. You can control the range, quantity, and sorting.
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Picking Random Numbers Fairly
概要
Whether you are running a giveaway, choosing a winner, or making an unbiased decision, a random number picker removes human bias. This tool generates random numbers within a range you set, instantly and fairly, in your browser.
使い方（ステップ）
- 1
Set the range
Enter the minimum and maximum values.
- 2
Choose how many
Pick a single number or several, with or without duplicates.
- 3
Generate
The tool returns your random pick instantly.
仕組み
The tool uses the browser's built-in randomness to pick a number within your chosen minimum and maximum, with each value in the range equally likely. You can generate a single number or several, and optionally allow or prevent duplicates. Because it is computed locally, results are immediate and nothing is recorded.
こんなときに使う
Drawing a winner for a giveaway or raffle. Making an unbiased choice between options. Generating sample numbers for a game or test.
よくある質問
It uses the browser's random number generator, which is unpredictable and uniform enough for giveaways, games, and everyday decisions.