Cryptographically Secure UUID Generator — Generate UUID v4 and v1 Instantly

Need unique identifiers for mock database seeding, session tracking, or transactional keys? Toolich's UUID Generator generates RFC 4122 compliant UUID v4 (random) and UUID v1 (time-based) tokens instantly.
The tool allows bulk generation of up to 1000 UUIDs at a time with optional customization for hyphens, uppercase formatting, and JSON-array output layouts to fit your specific code environment.
Powered by cryptographically secure random number generators (Web Crypto API) inside your browser for guaranteed uniqueness and security.
Written by Chaitanya Shimpi
Cratonik Editorial Team • Scoping & Technical Scoping Consulting
Our editorial team drafts high-performance web strategies, accessibility standards reviews, and digital marketing insights to optimize corporate visibility.