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🎰 随机数生成器Random Number Generator
在线生成指定范围内的随机整数，可批量生成、不重复，适合抽奖和抽签。Generate random integers in a range, in bulk, with optional no-repeat — great for draws.
使用说明与常见问题How-to & FAQ
「随机数生成器」是什么？What is the Random Number Generator?
在线生成指定范围内的随机整数，可批量生成、不重复，适合抽奖和抽签。Generate random integers in a range, in bulk, with optional no-repeat — great for draws.
如何使用「随机数生成器」？How do I use the Random Number Generator?
在「随机数生成器」中，按需设置「最小」、「最大」、「数量」等选项，然后点击「生成」按钮即可。In the Random Number Generator: Set "Min", "Max", "Count", then click "Generate".
随机数公平吗？Is it fair?
使用加密级随机数并消除取模偏差，每个数字概率相同。It uses cryptographic randomness with modulo-bias rejection, so every number is equally likely.
随机结果真的随机吗？Is the randomness truly random?
「随机数生成器」使用浏览器的 crypto.getRandomValues（密码学安全随机数）生成结果，并做了无偏处理，每个结果出现的概率相同。The Random Number Generator uses crypto.getRandomValues (cryptographically secure randomness) with unbiased sampling, so every outcome is equally likely.
「随机数生成器」免费吗？需要注册吗？Is the Random Number Generator free? Do I need an account?
「随机数生成器」完全免费，无需注册或安装，打开网页即可使用，手机和电脑都能用；输入的内容只在你的浏览器本地处理。The Random Number Generator is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.