Generate Random Number

Generate cryptographically secure random integers or decimals within any range. Generate unique numbers without duplicates, sort results, and export with zero server logging.

Private • In-browser processing • Zero server uploads

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How to Use Generate Random Number

1
Set Range Boundaries
Choose your minimum and maximum values (e.g. 1 to 100).
2
Configure Quantity & Precision
Select how many numbers to generate and toggle unique numbers or decimal precision.
3
Copy Generated Numbers
The cryptographically random values are calculated immediately.

Key Features

Cryptographic RNG
Generates entropy directly via the hardware-backed Web Crypto API.
Unique Sets
Generate non-repeating numbers for lotteries, raffles, and statistical samples.
Integer & Decimal Modes
Configure exact decimal precision or whole integer numbers.
100% In-Browser
Real-time generation runs entirely client-side with complete privacy.

Common Use Cases

  • Generating lottery ticket numbers, bingo draws, and raffle ticket picks.
  • Simulating dice rolls, coin tosses, and board game randomness.
  • Creating random test datasets and statistical sample distributions.
  • Generating cryptographic session salts and test port numbers.

Frequently Asked Questions

They are cryptographically secure. We use window.crypto.getRandomValues() which samples hardware entropy on your device, ensuring mathematically uniform and unpredictable results.

Yes! Turn on the 'Unique numbers' option, and every number in the generated batch will be distinct.

Yes! Both minimum and maximum fields support negative integers and decimals (e.g. -100 to 100).

Generate Random Password
Create strong random passwords with custom length, symbols, digits and case.
Pick a Random Item
Enter a list and the tool picks one (or more) items at random.
Random Matrix
Generate a matrix of random integers or decimals with custom dimensions and range.
Enumerate Integers
Add sequential numbers to the start of each line in a list.
Generate a Number Sequence
Generate arithmetic or geometric number sequences with custom start, step and length.