随机数生成器
立即生成随机数。
- Tool name
- Random Number Generator
- Category
- Online random number generator
- Cost
- Free
- Platform
- Web browser — no download, no app required
- Minimum range
- Any integer, default 1
- Maximum range
- Any integer, default 100
- Numbers per generation
- 1 to 20
- Use cases
- Lottery number picking, giveaway winner selection, random decision making, board games, tabletop RPGs, statistics homework, classroom activities
如何使用
- Set Min — enter the lowest number in your range (e.g., 1).
- Set Max — enter the highest number (e.g., 100).
- 选择数量 — pick up to 20 numbers at once for lotteries or multi-winner draws.
- Click Generate — your random numbers appear instantly.
Popular Uses
Lottery Number Generator
Set Min 1, Max 49, Count 6 — get a full set of lottery picks.
Giveaway Winner Picker
Number your entries and let the generator pick the winner at random.
Random Number 1–10
Classic range for quick decisions, trivia, and games.
Random Number 1–100
The most popular range — guessing games, classrooms, statistics.
Frequently Asked Questions
这真的是随机的吗？
It uses the browser's cryptographically seeded pseudorandom number generator — high-quality randomness suited for games, giveaways, and everyday decisions.
Can I generate random numbers between 1 and 100?
Yes — just set Min to 1 and Max to 100 and click Generate. You can use any whole-number range you like.
How do I pick a random winner for a giveaway?
Number your participants from 1 to N. Set Min to 1, Max to N, Count to however many winners you need, and click Generate.
Can I generate multiple random numbers at once?
Yes — set Count to up to 20 and all numbers are generated simultaneously with no repeats configuration needed.