Lottery Number Generator
Lottery Number Generator is a free browser tool that lets you pick six unique numbers from 1 to 49. Values come from the browser's built-in cryptographic random generator (Web Crypto), not a predictable pseudo-random function. It is used most by anyone replacing a reused password with something unguessable. Generated values exist only in your tab and are never transmitted or stored. There is no account to create, no email to hand over and no cap on how often you use it.
Key features
- Nothing is remembered, so copy the value before leaving the page.
- Uses crypto.getRandomValues — the same source browsers use for real cryptographic work.
- Works on desktop, tablet and phone — no separate app to install.
- Loads in under a second and gives its result in one action.
How to use Lottery Number Generator
- Set your requirements: Choose the length and which character types to include.
- Generate: Press the button — a fresh cryptographically random value appears immediately.
- Store it safely: Copy it into a password manager now. Nothing is kept once you leave the page.
Frequently asked questions
- Is the output from Lottery Number Generator genuinely random? — Yes. Lottery Number Generator uses the browser's Web Crypto generator, which is designed for cryptographic use — not the predictable Math.random.
- Could anyone else see the value? — No. It is created in your tab and never sent anywhere. Nothing is logged or stored.
- How long should a password be? — 16 characters or more with mixed character types is a sensible floor today; longer is better for anything valuable.
- Is this safe for production keys? — The randomness source is appropriate for it. Handle and store the value with the same care as any other secret.