Random & generator tools

Passwords, dice, wheels, teams and colors — cryptographically random, generated entirely in your browser.

Most popular

Are You Random? — The Oracle

Press left or right at random. The machine predicts your next press — and wins.

Dice Probability Lab

Exact odds for any dice expression — 4d6kh3, 2d20kh1…

Dice Roller (RPG Notation)

Roll 3d6+2, d20, 4d6 keep highest 3 — with statistics.

Passphrase Generator (Diceware)

Random word passphrases off the EFF diceware list.

Password Generator

Strong random passwords with the entropy shown in bits.

Password Strength Checker

Entropy estimate, pattern warnings and crack times.

Random Color & Palette Generator

Random colors and harmonious palettes with hex codes.

Random Number Generator

Uniform random integers in any range, with no bias.

Team & Pair Randomizer

Shuffle names into fair random teams, pairs or an order.

Wheel Spinner

Spin a colorful wheel to pick from your own entries.

Passwords & Security

Passphrase Generator (Diceware)

Random word passphrases off the EFF diceware list.

Password Generator

Strong random passwords with the entropy shown in bits.

Password Strength Checker

Entropy estimate, pattern warnings and crack times.

Dice, Coins & Wheels

Are You Random? — The Oracle

Press left or right at random. The machine predicts your next press — and wins.

Dice Probability Lab

Exact odds for any dice expression — 4d6kh3, 2d20kh1…

Dice Roller (RPG Notation)

Roll 3d6+2, d20, 4d6 keep highest 3 — with statistics.

Wheel Spinner

Spin a colorful wheel to pick from your own entries.

Coin Flip

Flip one coin or a thousand, with tallies and streaks.

Picks, Teams & Brackets

Random Number Generator

Uniform random integers in any range, with no bias.

Team & Pair Randomizer

Shuffle names into fair random teams, pairs or an order.

Tournament Bracket Generator

Single-elimination brackets with byes, seeded or random.

Weighted Random Picker

Pick from a list where some entries deserve better odds.

Colors

Random Color & Palette Generator

Random colors and harmonious palettes with hex codes.

About these tools

Generators for every kind of randomness: strong passwords and passphrases, dice rolls, coin flips, lottery numbers, random picks from a list, shuffled orders and spinning wheels. Where fairness matters the tools use cryptographically secure randomness from your browser, and each page explains how its numbers are drawn.