Production-Ready UUID / GUID Generator

UUID / GUID Generator

Generate cryptographically secure RFC 9562 & RFC 4122 compliant UUIDs (v4, v7, v1, v5) in bulk with validation and custom formatting.

UUID Options
5 UUIDs
WebCrypto API Secure
Generated: 5Unique: 5

Curated UUID Presets

Click any preset to load UUID version parameters or bulk export rules instantly.

Cryptographically Secure

Uses WebCrypto `crypto.getRandomValues()` entropy source conforming to RFC 9562 & RFC 4122 standards.

UUID v7 Time-Ordered

Supports modern 48-bit Unix millisecond time-ordered UUID v7 for B-Tree database indexing efficiency.

Bulk Batch Generation

Generate up to 100 UUIDs at once formatted for JSON, CSV, SQL, or plain text.

What is a UUID / GUID?

A UUID (Universally Unique Identifier) or GUID (Globally Unique Identifier) is a 128-bit number used to uniquely identify information in computer systems without central coordination.