UUID Generator

Free online UUID generator. Generate cryptographically random UUID v4 identifiers in bulk. Copy single or multiple UUIDs instantly. No sign-up required.

Text
UUID
History

You might also like

Email Validator
Free online email address validator. Instantly check if an email address has a valid format, detect common typos, and validate bulk email lists. No sign-up needed.
Text
Base64 Encoder / Decoder
Free online Base64 encoder and decoder. Instantly encode text or files to Base64 and decode Base64 strings. Supports URL-safe Base64 and file uploads.
TextBinaryPopular
MD5 Hash Generator
Free online MD5 hash generator. Instantly compute the MD5 checksum of any text string in your browser. Useful for file integrity checks and data verification.
Text
SHA-256 Hash Generator
Free online SHA-256 hash generator. Compute cryptographic SHA-256 checksums from any text. Runs entirely in your browser using the Web Crypto API — 100% private.
TextNew

Frequently Asked Questions

What is a UUID?

A UUID (Universally Unique Identifier) is a 128-bit number used to uniquely identify information. UUID v4 is randomly generated and has an extremely low probability of collision.

What is the difference between UUID and GUID?

GUID (Globally Unique Identifier) is Microsoft implementation of UUID. They are functionally identical and both follow the RFC 4122 standard.