Is this an official keno number generator?

No. This is an independent, unofficial tool that generates 20 numbers from a 1-80 range in the general format used by keno-style games. It isn't affiliated with any casino, lottery operator, or specific keno game.

Does keno always use 20 numbers from 1-80?

That's the most common format, but exact rules vary by operator and region. Check your specific game's rules before using generated numbers to play.

Can generated numbers improve my odds?

No — every number combination has equal odds. This tool is a fair, convenient way to pick numbers, not a prediction system.

Keno Number Generator

Generates 20 random numbers from a 1-80 range, in the format used by keno-style games.

Every valid number combination has exactly the same probability. This tool cannot improve your odds, and past draws never make any number more or less “due”. Unofficial tool — not affiliated with or endorsed by any lottery operator. Play only where you meet the legal age requirement, and gamble responsibly.

Numbers per line

1 to 20

Number of lines

Up to 20

Always include

Comma-separated numbers

Never include

Comma-separated numbers

Your lines will appear here for this session only.

What this generator does

Draws 20 numbers without replacement from a pool of 1 to 80, so no number repeats in the set. That single draw can stand in for either side of a keno game: the 20 numbers a house draw would produce, or a full 20-spot ticket if your game allows picking that many.

How to use this tool

Press generate for a set of keno numbers.
Generate again any time for a new set.

Worked examples

One draw: 20 numbers drawn without replacement from 1 to 80 in a single press — the full house-draw set, or a maximum 20-spot ticket if your particular game allows picking that many.

Common use cases

Generating your own numbers for a keno-style game
Comparing self-picked numbers against quick-pick

How this generator works

A pool of the numbers 1 to 80 is built, and 20 of them are drawn without replacement using your browser's Web Crypto random generator, so every one of the roughly 3.5 × 10^18 possible 20-number sets is reachable and none is favoured over another.

Limitations and good to know

Each line is one set of numbers — 20 unless you choose fewer spots; it does not simulate a specific bet. Real keno pays out on how many of your chosen spots match the house's drawn numbers, and how many spots you pick — commonly far fewer than 20 — changes the odds and the payout table entirely, so there is no single 'odds of winning' figure this page can state.
Formats genuinely vary: some operators draw 20 from 80, others use different pool sizes or spot counts. Confirm your specific game's rules before using generated numbers.

This is an unofficial, independent tool and is not affiliated with or endorsed by any lottery or gaming operator. Every valid number combination has exactly the same probability of being drawn — generating numbers here does not improve your odds, and past draws have no bearing on future ones. Play only where you meet the applicable legal age requirement, and gamble responsibly.

Frequently asked questions

Is this an official keno number generator?: No. This is an independent, unofficial tool that generates 20 numbers from a 1-80 range in the general format used by keno-style games. It isn't affiliated with any casino, lottery operator, or specific keno game.
Does keno always use 20 numbers from 1-80?: That's the most common format, but exact rules vary by operator and region. Check your specific game's rules before using generated numbers to play.
Can generated numbers improve my odds?: No — every number combination has equal odds. This tool is a fair, convenient way to pick numbers, not a prediction system.