Random UUID / GUID generator
Generate unique identifiers for databases, APIs, and client-side keys. Searches for “UUID generator” and “GUID generator” usually mean the same v4-style random ID—this tool serves both wordings in one page.
Technical Specifications & Architecture
- Technical Standard:
- RFC 4122 (A Universally Unique IDentifier URN Namespace)
- Execution Environment:
- 100% Client-Side Browser Sandbox
- Data Privacy:
- Zero Server Storage / No Tracking
- Processing Speed:
- Real-time local CPU execution
- Cross-Platform:
- Works on Windows, macOS, Linux, iOS & Android
High-Entropy Generation & Deterministic Patterns
Generators produce unique identifiers, passwords, text patterns, or graphic assets. For security-sensitive outputs (such as UUIDs and passwords), the tool uses cryptographically secure pseudo-random number generation (CSPRNG via the Web Cryptography API), ensuring maximum entropy and zero collision risk. Non-random patterns follow official standard schemas.
Provide Input
Enter, paste, or upload your data into the input field above.
Configure & Process
The tool immediately processes your input in real time according to your chosen settings.
Copy or Save
Use the Copy button to copy the output to your clipboard, or download the result to your device.
Common Use Cases
- Primary keys in prototypes before a database sequence exists
- Correlation IDs for distributed request tracing examples
- Test fixtures that need unique strings every run
- Paste into OpenAPI examples and Postman collections
Guides & platform tips
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Frequently Asked Questions
- Are these UUIDs cryptographically random?
- The tool uses your browser’s randomness APIs suitable for v4 identifiers. For regulated systems, follow your security team’s guidance on ID generation and storage.
- UUID vs GUID?
- GUID is Microsoft’s term for the same 128-bit identifier format. Our output is standard hex-with-dashes form used in PostgreSQL, MySQL, and most APIs.