Professional random number generators for developers, researchers, and content creators. Secure, cryptographic, and always free to start.
Result
Status
Operational
Choose from our most used generators. Whether you need a simple number or complex datasets, we have you covered.
The classic random number generator. Perfect for giveaways, contests, and quick decisions.
Generate Now →Generate cryptographically strong passwords with custom rules and entropy checks.
Create Secure Key →Generate typical lottery sequences (6/49, Powerball) with non-repeating logic.
Pick Numbers →Batch generate version 4 UUIDs for database keys and software testing.
Generate Batch →Everything you need to generate data
Built for reliability and flexibility. Our platform handles the complexity of randomness so you can focus on your project.
Don't settle for defaults. Configure every tool with custom ranges, item counts, and unique constraints to fit your specific use case.
Never lose a result again. We automatically log your generation history so you can audit, re-export, or verify past results anytime.
Need data for Excel or code? Export your generated batches instantly to CSV, JSON, or plain Text formats with one click.
Integrate our engine directly into your applications. Our RESTful API allows for programmatic generation with simple token authentication.
We use cryptographically secure pseudo-random number generators (CSPRNG) to ensure fairness and unpredictability for sensitive use cases.
Generate numbers on the go. Our entire platform is built with a mobile-first approach, ensuring a smooth experience on phones and tablets.
Start for free and upgrade only when you need professional power features like API access and bulk exporting.
Essential tools & history
API, Exports & Advanced Tools
"The API integration saved me hours of coding time for my simulation project. Highly recommended!"
"Finally, a random number generator that doesn't feel like it was built in 1999. Beautiful interface."
Join thousands of developers and creators using RandomGen today. No credit card required to start.