Generators (numbers & data)
Pick a generator for numbers, dates, CSV test data, or distribution samples.
Distributions
Sample from distributions, inspect histograms, and sanity-check randomness.
Test data
Generate CSV test data, IDs, and timestamps.
Random Number Generator
Integers/decimals, unique mode, and optional seeds for reproducible lists.
Random Date & Time Generator
Generate random dates, times, or datetimes within constraints and time windows.
Random CSV Generator
Build CSV test data from a schema, preview rows, and download.
Distribution sampler
Sample from common distributions, inspect histograms, and export.
Dev & test (IDs, tokens, passwords)
Generate IDs and random strings for development or QA workflows.
Token generator
Secure random strings (base64url/hex/custom), share settings only.
UUID generator
Bulk UUID v4/v7, format/validate/decode, download lists.
Password generator
Strong passwords with CSPRNG, rule options, and filters.
Passphrase generator
Random words (Diceware-style) that are easy to remember.
Shuffles & order
Shuffle lists or cards with optional seeds for reproducibility.
List shuffler
Fisher–Yates shuffle, optional seed for reproducible order.
Card deck
Shuffle & draw cards with optional seeded mode.
Draws & fairness
Pick winners and verify draws with transparent, auditable methods.
Weighted random picker
Lottery draws with weights, optional seed for reproducibility.
Random picker
Pick winners from a list with optional no-repeat draws.
Verifiable draw
Commit-reveal draws that are auditable after the fact.
Randomness beacon verifier
Verify draws using external beacon values.
Randomness tests
Quick sanity tests for bit/number sequences.
Team generator
Split names into random teams with constraints.
Seating chart
Generate random seating charts in seconds.
Secret Santa
Draw names with exclusions for gift exchanges.
Looking for a guide?
Need help choosing the right tool? See the Random & lotteries topic guide.