Mondo Knows Tools

Free Randomizers, Pickers and Shufflers

Settle a choice, run a fair draw or fill a page with test data. These randomizers shuffle lists, pick names, split teams, spin a wheel, roll dice and draw letters, colours and dates. Every draw is equally likely, it happens in your browser, and nothing you paste is uploaded.

21 free tools on this shelf, all running in your browser

Bingo Card GeneratorBuild a valid 75-ball bingo card in one click.Dice Probability CalculatorExact odds of rolling a total on any number of dice.Diceware Passphrase GeneratorMemorable passphrases built from random words.Elo Rating CalculatorExpected score and rating change for a game of Elo.List RandomizerShuffle a list into a random order.Lottery Number GeneratorDraw unique lottery numbers in sorted order.Poker Odds CalculatorWork out your outs, and the odds of hitting them.Random Alphanumeric GeneratorGenerate random letters and digits in any mix.Random Choice GeneratorLet the coin decide between your options.Random Color GeneratorGenerate random colours with hex and RGB values.Random Country GeneratorPick a random country from all 195.Random Date GeneratorDraw a random date inside any range.Random Letter GeneratorDraw random letters for word games and classrooms.Random Month GeneratorPick a random month, with or without a year.Random Name PickerFair way to pick one name, or several, from a group.Random State GeneratorPick a random US state.Random String GeneratorRandom letters, digits and symbols at any length.Random Team GeneratorSplit a list of players into evenly sized teams.Secret Santa GeneratorPair a group so nobody draws their own name.Tournament Bracket GeneratorSeed single-elimination brackets with byes.Wheel SpinnerA real spinning wheel with sound that picks your winner.

Questions people ask

How many randomizers & Pickers tools are there?
21: List Randomizer, Random Name Picker, Random Team Generator, Random Choice Generator, Wheel Spinner, Random Letter Generator, Random Color Generator, Random String Generator and more. Each one shows the formula or rule it uses, so you can check the answer rather than trusting it.
Which randomizers & Pickers tool should I use first?
List Randomizer is the most used on the shelf: shuffle a list into a random order. Every tool works the same way, with inputs at the top and the working underneath the answer.
Is it free, and is my data stored?
Free and private. The calculation runs in your browser, so figures never leave your device, there is no account, and no calculation is logged.