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UUID / GUID Generator
Generate secure, random Version 4 UUIDs instantly in your browser.
What this tool does
Generates cryptographically strong unique identifiers (UUID v4).
When to use it
- • Database primary keys
- • unique transaction IDs
- • Testing and development mock data
Results
Secure Online UUID v4 Generator
Need unique identifiers for your database, API, or software testing? Our UUID generator follows the RFC 4122 standard to provide cryptographically secure version 4 identifiers.
Unlike other online tools, we generate these IDs directly on your device using the `Web Crypto API`. This ensures maximum performance and privacy—nothing is sent back to our servers.