Is this truly random?
Our tool uses a cryptographic pseudo-random number generator built into modern browsers to ensure a highly randomized, unbiased distribution of numbers.
Tool Categories
Free Random Number Generator | RNG Tool | 1ClickTools
Generate true random numbers instantly. Set custom ranges, allow or disallow duplicates, and generate up to 10,000 numbers at once for giveaways and.
Frequently Asked Questions
Can I use this for giveaways?
Yes! Simply assign each entrant a number, set your min/max range, turn off duplicates, and generate your winners.
Can it generate negative numbers?
Yes. You can set the minimum number to a negative value, such as -100 to 100.
How accurate is this random generator tool?
All processing runs entirely in your browser using verified algorithms. Results are computed with full double-precision — no server-side rounding or data transmission occurs.
Is this Random Number Generator free to use for commercial and personal projects?
Yes, 1ClickTools provides completely free, unlimited access to the Random Number Generator for both personal and commercial projects. There are no registration forms, hidden fees, software downloads, or monthly subscription limits.