Random Number
Generator
Generate random numbers with custom ranges.
Exclude specific numbers or ranges. Perfect for games, contests, and draws.
Generate Random Numbers
Set your custom range and optionally exclude specific numbers or ranges.
Number Range
Exclude Numbers or Ranges
Current Range: 1 - 100Add specific numbers or ranges to exclude from generation (within current range)
Click generate to start
Common Use Cases
Dice Roll (1-6)
Set range 1 to 6 for a virtual die
Coin Flip (0-1)
Set range 0 to 1 for heads/tails
Lottery (1-49)
Generate numbers for lottery picks
Random Date
Day of month (1-31)
How to Use the Random Number Generator
-
1
Set your minimum and maximum range values, then click "Set Range".
-
2
Optionally add specific numbers or ranges to exclude from results.
-
3
Choose how many numbers to generate and whether duplicates are allowed.
-
4
Click "Generate Numbers" to get your random results.
What is a Random Number Generator?
A random number generator is a tool that produces numbers from a specified range with no predictable pattern. Our generator uses a cryptographically strong random number generation method suitable for games, contests, and casual random selection purposes.
You can customize the range, exclude unwanted numbers, and generate multiple results at once. This makes it perfect for lottery numbers, dice games, raffle draws, and any scenario requiring fair random selection.
Frequently Asked Questions
Yes. The tool is completely free to use and does not require registration.
Use the "Exclude Numbers or Ranges" section. Add single numbers (like 7) or ranges (like 10-20). These will never appear in your results.
Yes. Uncheck "Allow duplicates" to ensure each generated number is unique. Note that you cannot generate more unique numbers than available in your range.
The generator supports ranges from -1,000,000,000 to 1,000,000,000. You can generate up to 50 numbers at once.
The generator uses the Web Crypto API which provides cryptographically strong random values. This is suitable for games, contests, and casual use. For high-stakes scenarios (like real-money gambling), consider using specialized hardware random number generators.