Return a random integer.
Return a random domain.
Property based testing for Vitest based on fast-check
The tmp package with promises support and disposers.
Generate a unique random string
Return a semi-pronounceable random (nonsense) word.
RFC9562 UUIDs
More than 150 Handlebars helpers in 17 categories. Works in browsers and in Node.js.
React Sigma - Layout random
Return a random email address.
Return a natural number.
Generate a cryptographically-random probable prime number that passes the Miller-Rabin test with the given number of bits of entropy.

Generate a cryptographically-random Uint8Array with the given number of bytes of entropy.
Deterministic pseudo-random number generator for JavaScript and TypeScript
Provides functions and types for detecting if the host environment is IE11
Return a random array-like index.
Fully-fledged collection of both 32 and 64 bit seedable random number generators whose output precisely matches their original c/c++ implementations.
CSV and object generation implementing the Node.js `stream.Readable` API
Return a semi-speakable syllable, 2 or 3 letters.
Operation with random numbers for ngraph.*
A collection of random utilities
Pick a cryptographically-random integer within a range.
A collection of utilities for better-auth