Random Number Generator
Creates numbers inside a custom range. It is for quick sampling, demos, test values, classroom tasks, and lightweight decisions.
Generated in your browser. Utilio does not store generated values.
Random Number Generator
Runs locally in your browser. Your data is not uploaded.
Generated 0 numbers in the 1..100 range.
What Random Number Generator does
Use Random Number Generator when you need to generate sample numeric values for forms or tests.
When to use it
- Generate sample numeric values for forms or tests.
- Pick random rows or positions from a known range.
- Create quick demo data without writing a script.
How to use it
- Set minimum, maximum, and count.
- Generate the number list.
- Copy the result into your sheet, test, or note.
What to check
- This is not suitable for cryptographic randomness.
- Define whether duplicates are acceptable before using the list.
Data, formats, and limits
What stays on your device and what is sent
Generated in your browser. Utilio does not store generated values.
Supported formats
This tool works with typed or generated values rather than uploaded files.
File limits and browser requirements
- Use an up-to-date browser and check the result on the device where you will use it.
Known limits
- Review generated values before using them in production, payments, access control, or public materials.
- For security-sensitive output, follow your team's requirements for length, entropy, and storage.
Troubleshooting
- If the result does not fit, change the settings and generate a new value.
- If the value is used for access, payments, or public material, check your system requirements before copying it.
- If copy does not work, select the result manually or repeat the action in an up-to-date browser.
Common questions
What does Utilio receive?
Generated in your browser. Utilio does not store generated values.
What is it useful for?
Use it when you need to generate sample numeric values for forms or tests. Start by set minimum, maximum, and count.
Do I need an account?
No. You can use this tool without creating an account.
Can I use it on a phone?
Yes. The tool works in a mobile browser, though longer input or detailed results may be easier to review on a larger screen.
How do I get a reliable result?
Set minimum, maximum, and count. Then generate the number list. This is not suitable for cryptographic randomness.
Does Utilio use my input or results to train AI?
No. Utilio does not use files, pasted text, settings, generated values, or results from this tool to train AI models.

