Random Number Generator

Generate random integers within a custom range.

Configure mode and range below

Minimum Value

Maximum Value

Decimal Precision

How Many Numbers

Only Generate Unique Numbers

Seed (Optional — for reproducible results)

Same seed + same settings = same results every time

Items to Shuffle (comma-separated)

Your Random Number

Generated Numbers ()

Shuffled Order

Configure your settings above and tap Generate to create random numbers.

Recent Generations

Pro Tips

Use a seed for reproducible results — useful for fair draws, classroom exercises, or debugging.

Unique mode ensures no duplicates — perfect for raffle draws or picking lottery numbers.

Shuffle mode is great for randomizing the order of names, tasks, or quiz questions.

Quick Presets

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About This Calculator

Generate random integers within a custom range.

Everything is worked out in your browser as you type, so your figures never leave your device.