FREE · UNLIMITED · PRIVATE
Random numbers
Generate numbers within a range, with or without repeats and optional decimals.
● 100% local
✦
Ready to begin
Customize this tool
All processing happens on your device.
Recent results
History is stored only in this browser.
How to use this tool
Generate numbers within a range, with or without repeats and optional decimals.
Customize the settings and press the main button for a result without creating an account. Copy it, download it and try again as often as you like.
Frequently asked questions
Is this tool free?
Nothing. There are no accounts, subscriptions, or daily usage quotas.
Are my inputs uploaded?
No. Calculations and random selection run in your browser. Only static page files are downloaded.
How does randomness work?
We use crypto.getRandomValues and rejection sampling to avoid selection bias.