All random tools

Pick random numbers in any range, one or up to 10,000 at a time, with or without repeats, with decimals, sorted, or with numbers left out, and see the odds of every draw.

Calculations: One number; A list of numbers; Different numbers with no repeats; Decimals

Random lottery lines for Powerball, Mega Millions, EuroMillions, Eurojackpot, UK Lotto, Lotto 6/49 or your own game, with the exact jackpot odds of each.

Calculations: Powerball; Mega Millions; EuroMillions; Eurojackpot; UK Lotto; Lotto 6/49; Custom game

Pick random letters from A to Z, one or many, with or without repeats, capitals or small letters, vowels or consonants only, and letters left out.

Calculations: All letters A–Z; Vowels only; Consonants only; Capitals; Small letters; Mixed case

Pick random dates between any two dates, both included, one or up to 1,000 at a time, with no repeats, weekdays only, sorted, in ISO or long format.

Calculations: One date; A list of dates; Different dates with no repeats; Weekdays only

Roll 1 to 100 dice with 2 to 1,000 sides, add a modifier or use notation like 4d6d1 and 2d20k1, and see the exact chance of the total you rolled.

Calculations: Plain total; Keep highest; Keep lowest; Drop lowest; Drop highest

Flip one coin or up to 10,000 at once, or play best of three or five, with a tally of heads, tails and the longest run, and the exact odds of each result.

Calculations: One flip; Many flips at once; Best of three; Best of five

Draw 1 to 52 cards from a freshly shuffled deck, with or without jokers, or keep dealing from the same deck, and see the odds of the hand you got.

Calculations: One card; A hand from a new deck; Dealing from the same deck until it runs out

Paste a list of names or entries and draw one winner or up to 1,000 in order, with duplicates removed, winners taken off for the next round and a record of each draw.

Calculations: One winner; Several winners in order; Successive prize rounds

Paste a list and shuffle it into a random order with a Fisher–Yates shuffle, so every order is equally likely. Copy it as plain lines or numbered.

Calculations: Shuffle a list; Shuffle below a heading

Paste a list of names and split it at random into a number of teams or teams of a given size, with team sizes as even as possible and every split equally likely.

Calculations: A number of teams; Teams of a given size

Random passwords of 8 to 128 characters or passphrases from the EFF word list, with the exact strength in bits and the time to guess. Made in your browser.

Calculations: Password; Passphrase

Random PINs of 4, 6, 8 or any length from 3 to 12 digits, up to 100 at a time, skipping patterns like 1111, 1212 and 1234. Made in your browser.

Calculations: 4-digit PIN; 6-digit PIN; 8-digit PIN; Any length from 3 to 12

Random version 4 and time-ordered version 7 UUIDs following RFC 9562, up to 1,000 at a time in any format, plus a reader for the version and timestamp.

Calculations: Version 4; Version 7; Inspect a UUID