Random Number Generator — Randomizer for Giveaways and Games
Random number generator creates sequences of digits in a specific range or from a list
Number range can be from minus to plus 999,999,999
Numbers can be separated by space, comma or new line
Numbers quantity
Options
Random Number Generator Online
Random Number Generator is a universal tool for creating random numbers within a specified range. Cryptographically secure Crypto.getRandomValues() algorithm provides genuine, not pseudorandom, generation. Range from -999 999 999 to 999 999 999.
Simple interface allows setting range, quantity of numbers and additional parameters: duplicate exclusion, sorting, property filter (even, odd, natural). Giveaway mode adds a prize name and generates a protocol.
All calculations are performed on the client side. Zero-knowledge architecture guarantees that numbers are not transmitted to the server. Ideal for social media giveaways, lotteries, games and any tasks requiring fair randomness.
Features
- Range: from -999 999 999 to 999 999 999
- Quantity: from 1 to 10,000 numbers at once
- Modes: lotto, giveaway, range, list, array
- Filters: even, odd, natural, integer
- Zero-knowledge: data never leaves your device
- Export: image with results protocol
How It Works
Random Number in Four Steps
Intuitive interface allows getting results in seconds.
01
Choose a Category
Switch to the desired mode on the toolbar. Each mode has its own set of settings.
02
Configure Parameters
Set the range and quantity of numbers. The tool will adapt to your requirements.
03
Start Generation
Press the start button. All calculations are performed locally on your device.
04
Copy the Result
The result appears instantly. You can copy it with one click or generate a new one.
Use Cases
Where a Number Generator Is Used
From giveaways to scientific experiments — random numbers are needed everywhere.
Giveaways and Contests
Fair selection of winners on Instagram, Telegram, TikTok. A results protocol can be published.
Lotteries
15 lotto formats: Rapido, Powerball, Russian Lotto, Gosloto 5/36, 6/45, 7/49 and others.
Games
Random numbers for board games, RPG, draws. Replacement for dice and event generation.
Education and Science
Sample generation for statistics, random sequences for laboratory work.
Benefits
Why Choose Our Generator
Cryptographically secure randomness, zero-knowledge, customizable modes.
Genuine Randomness
Crypto.getRandomValues() is a cryptographically secure API, certified for security systems.
Zero-knowledge
Client-side generation. Numbers are not sent to the server. The result cannot be tampered with.
9 Operating Modes
Lotto, giveaway, properties, range, list, array, digit capacity, quantity, parity.
Results Protocol
In giveaway mode, an image is created with the date, prize name and winning numbers.
Frequently Asked Questions
About the Random Number Generator
Are the numbers truly random?
Yes. Crypto.getRandomValues() is used — a cryptographically secure API based on OS entropy. No pseudorandom algorithms.
What number range is available?
From -999 999 999 to 999 999 999. You can set any range and step within these boundaries.
Can duplicates be excluded?
Yes, the "no duplicates" option guarantees that each number within a single generation will be unique.
How to save giveaway results?
The "Giveaway" mode creates an image with a protocol: date, prize name, winning numbers. The image can be downloaded.
VKontakte
Gmail
