🎲 Random & UUID Generator
Generate random numbers, strings and UUID v4 values, all client-side, cryptographically secure.
The Random Number and UUID Generator uses the browser's crypto.getRandomValues() API for all generation, making all outputs cryptographically random and suitable for use in security contexts. This distinguishes it from simple random number generators that use predictable pseudo-random algorithms.
The UUID v4 generator produces universally unique identifiers following the RFC 4122 standard. UUIDs are widely used as primary keys in databases, identifiers in distributed systems, session tokens and anywhere a unique identifier needs to be generated without a central authority. The bulk generation option lets you produce up to 500 UUIDs at once for seeding test databases or generating batches of identifiers.
The Random String generator lets you combine uppercase, lowercase, digits and symbols in any combination with any length up to 512 characters. This is useful for generating API keys, session tokens, random filenames or test data. The unique-only option for bulk number generation ensures no duplicates appear in the output, important when generating lottery draws, random sampling or unique codes.