Tool
UUID Generator
Generate random UUID v4 identifiers for apps, tests, and databases.
Developer Tools
What this tool does
Generate RFC-style UUID v4 values instantly in the browser.
How to use
- Click Generate UUID.
- Copy the result.
- Generate again for additional IDs.
Examples
Sample UUID
Input: Generate
Output: 3fa85f64-5717-4562-b3fc-2c963f66afa6
Each click creates a new random UUID v4.
Common use cases
- Create test record IDs
- Generate sample API identifiers
- Prototype database schemas
FAQ
Are UUIDs cryptographically random?
Modern browsers use crypto.randomUUID when available.
Can I bulk generate IDs?
Click generate repeatedly or use future batch features.
Which UUID version is used?
This tool generates UUID v4 values.
Related tools
Last reviewed: 2026-05-23