UUID Generator
Generate RFC 4122 compliant UUIDs with detailed analysis. Create Version 4 random UUIDs or Version 1 timestamp-based UUIDs perfect for database primary keys, API tracking, and distributed systems.
📈 Averaging 18 uses per day
Start Generating UUIDs
Choose your UUID version and generate unique identifiers instantly
Configuration
🔑 UUID Information
Key features:
- Standards-compliant UUIDs
- Version 4 (random) and Version 1 (timestamp)
- UUID parsing and analysis
- 100% client-side generation for security
- Bulk generation up to 100 UUIDs
Ready to Generate
Select your UUID version and click generate to get started.
How to Use UUID Generator
- 1
Choose UUID Version
Select Version 4 for cryptographically secure random UUIDs, or Version 1 for timestamp-based UUIDs with node information.
Tip:Version 4 is recommended for most use cases as it provides better privacy and security. - 2
Set Generation Count
Specify how many UUIDs you need (1-100). Perfect for bulk operations or testing multiple identifiers.
Tip:For database seeding or testing, generate multiple UUIDs at once to save time. - 3
Generate and Analyze
Click generate to create your UUIDs. Each UUID comes with detailed analysis including version, variant, and additional metadata.
Tip:Version 1 UUIDs include timestamp and node information - useful for debugging and traceability. - 4
Copy and Use
Copy individual UUIDs or all generated UUIDs at once. Perfect for pasting into code, databases, or configuration files.
Tip:Use the 'Copy All' button to get all UUIDs as a newline-separated list.
Security & Privacy
- UUIDs are generated client‑side with no network requests.
- No inputs or outputs are uploaded or stored.
- Use bulk generation responsibly; very large counts can impact performance.
Features & Benefits
RFC 4122 Compliant
Generate industry-standard UUIDs that are fully RFC 4122 compliant and compatible with all major systems and databases.
Multiple UUID Versions
Support for Version 1 timestamp-based and Version 4 random UUIDs to meet different use case requirements.
Bulk Generation
Generate up to 100 UUIDs at once for bulk operations, testing, and database seeding requirements.
UUID Analysis
Detailed breakdown of UUID structure including version, variant, timestamps, and node information for debugging.
Cryptographic Security
Version 4 UUIDs use cryptographically secure random number generators for maximum unpredictability and security.
Privacy-First Processing
100% client-side generation ensures your UUIDs and data never leave your browser for complete privacy.
Frequently Asked Questions
Is my data secure and private?
Absolutely! All UUID generation happens entirely in your browser using cryptographically secure random number generators. No data is sent to any server.
What's the difference between UUID Version 1 and Version 4?
Version 1 uses timestamps and MAC addresses, making them predictable but traceable. Version 4 uses random data, making them unpredictable and more secure for most applications.
Are the generated UUIDs truly unique?
Version 4 UUIDs have a negligible collision probability (1 in 5.3 x 10^36). Version 1 UUIDs are guaranteed unique when generated on the same machine due to timestamp and sequence components.
Can I use these UUIDs in production applications?
Yes! These UUIDs are RFC 4122 compliant and suitable for production use in databases, APIs, file systems, and any application requiring unique identifiers.
How many UUIDs can I generate at once?
You can generate up to 100 UUIDs in a single batch. This limit ensures good performance while accommodating most bulk generation needs.
What information is included in UUID analysis?
The analysis shows version, variant, and for Version 1 UUIDs: creation timestamp, clock sequence, and node identifier. This helps with debugging and understanding UUID structure.
Technical Specifications
Use Cases & Applications
Database Primary Keys
Generate Version 4 UUIDs for database record IDs that need to be unpredictable and unique across systems.
File Upload Identifiers
Create unique file names or upload identifiers that prevent naming conflicts and ensure uniqueness.
API Request Tracking
Generate correlation IDs for distributed systems to track requests across multiple services.
Session Management
Create secure, unpredictable session identifiers for web applications and user authentication.
Distributed System IDs
Generate Version 1 UUIDs with timestamp information for distributed systems that require time-ordered identifiers.
Test Data Generation
Bulk generate UUIDs for testing, database seeding, or creating sample data sets for development.