Random Number Generator
Online random number generator tool. Generate random numbers within custom ranges, support integers and decimals, perfect for password generation, game development, statistical sampling and decision making.
Custom Range
Set any numerical range, support negative numbers, decimals and large values to meet various random number needs.
Batch Generation
Generate multiple random numbers at once, support duplicate settings, up to 10000 numbers can be generated.
Decimal Support
Support generating decimal random numbers with customizable decimal places for precise value control.
Sorting Options
Support ascending sorting of generated results for easy data analysis and pattern viewing.
Export Function
One-click copy results to clipboard or download as TXT file for use in other applications.
Instant Generation
Based on high-quality random algorithms, instantly generate truly random numbers without waiting.
Why Choose Our Random Number Generator?
Our online random number generator is the ideal tool for programming development, statistical analysis, game design and decision making. Supporting custom ranges, batch generation, decimal precision control and other functions, whether you are a developer, researcher, teacher or ordinary user, it can meet your random number generation needs. The tool uses high-quality random algorithms to ensure true randomness and uniform distribution of generated numbers.
Use Cases
- Password Generation: Generate random numbers for passwords or verification codes
- Game Development: Generate random events, item attributes or NPC data for games
- Statistical Sampling: Conduct random sampling surveys or experimental design
- Lottery Activities: Generate lottery numbers or randomly select winners
- Software Testing: Generate test data for program verification
- Education: Random number exercises and probability demonstrations in mathematics teaching
Technical Features
Uses JavaScript's built-in Math.random() function combined with high-precision algorithms to ensure randomness and uniform distribution of generated numbers. Supports both integer and floating-point generation, can handle large range values. Built-in input validation mechanism prevents errors caused by invalid parameters. All calculations are completed locally in the browser, fast response and data security. Provides multiple export options for convenient use of generated random numbers in different application scenarios.