Cryptographically Secure
This tool uses the Web Crypto API, the same browser-native standard used for secure identifier generation.
UUID Generator
Generate cryptographically secure UUID version 4 identifiers for databases, APIs, sessions, and application records.
DeveloperPopularVersion: v4Generated: 1
Single UUID
7bc690a4-6b0b-4f30-a5f1-7756dfec2a7a
Bulk Generate
Click Generate All to create UUIDs.
UUID v4 Format
UUID v4 format follows xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx, where the 4 marks the random version.
Common Use Cases
Great for database keys, upload file names, API resource IDs, correlation tokens, and client-side records.