Generation Options

Generate between 1 and 1000 numbers.
Turn this off for unique numbers with no repeats.

Output Options

Clear

Numbers are generated server-side with a cryptographically secure random source (PHP random_int), not a predictable pseudo-random formula.

Generated Numbers

Number of Values
0
Status
Ready

Learn how to use this random number generator tool effectively

Basic Usage Instructions

  • 11. Enter your desired range using the Lower and Upper Limit fields
  • 22. Choose how many numbers you want to generate
  • 33. Select whether you want integers or decimal numbers
  • 44. Configure additional options as needed
  • 55. Click the "Generate Random Numbers" button

Key Features

  • Generate up to 1000 random numbers at once
  • Support for both integer and decimal numbers
  • Option to include or exclude boundary values
  • Prevent or allow duplicate numbers
  • Sort numbers in ascending order
  • Flexible output format with custom separator
  • Easy copy and download options

Benefits and Use Cases

Statistical Sampling

Perfect for generating random samples for statistical analysis

Game Development

Create random values for game mechanics and simulations

Educational Purpose

Teaching probability and random number concepts

Testing and QA

Generate test data for software applications

Pro Tips

  • Use the "Sort Numbers" option to identify patterns or ranges easily
  • Download results as a text file for further analysis in other tools
  • Use custom separators to generate CSV or other formatted output

Technical Information

  • Uses a uniform distribution algorithm
  • Supports numbers up to 999 digits
  • High-precision decimal support

Use this tool from your AI agent

Free JSON API and Model Context Protocol (MCP) server. No signup, no API key, CORS open. Designed for Claude, ChatGPT, Cursor, scripts and frontend apps. 

curl -X POST https://mate.tools/api/v1/random-gen.php \
  -H "Content-Type: application/json" \
  -d '{"mode":"number","min":1,"max":100,"count":5}'
import urllib.request, json

req = urllib.request.Request(
    "https://mate.tools/api/v1/random-gen.php",
    data=json.dumps({"mode":"number","min":1,"max":100,"count":5}).encode(),
    headers={"Content-Type": "application/json"},
)
with urllib.request.urlopen(req) as r:
    print(json.load(r))
const r = await fetch("https://mate.tools/api/v1/random-gen.php", {
    method: "POST",
    headers: { "Content-Type": "application/json" },
    body: JSON.stringify({"mode":"number","min":1,"max":100,"count":5}),
});
console.log(await r.json());

Add to claude_desktop_config.json (Claude Desktop), ~/.cursor/mcp.json (Cursor), or any other MCP-compatible client: 

{
  "mcpServers": {
    "mate-tools": {
      "command": "npx",
      "args": ["-y", "@mate-tools/mcp-server"]
    }
  }
}
API documentation OpenAPI 3.1 npm 60 req/min · 600 req/hour · 1 MB body cap

Frequently Asked Questions

The generator runs on the server and uses PHP's cryptographically secure random_int() function for high-quality randomness. While not "true" random (which requires physical phenomena), the numbers are statistically random and suitable for most applications including games, sampling, and testing.

When "Include Limits" is enabled, the boundary values (lower and upper limits) can appear in the results. For example, with range 1-10, both 1 and 10 can be generated. When disabled, only values strictly between the limits are generated.

When "Allow Duplicates" is disabled, you cannot request more numbers than exist in your range. For example, if your range is 1-10, you can only generate up to 10 unique numbers. Enable "Allow Duplicates" if you need more numbers than your range size.
Random number generator — mate.tools