UUID Generator

Generate cryptographically secure unique identifiers instantly with this professional UUID generator. Create 10 random UUIDs version 4 simultaneously with standard format compliance, ensuring uniqueness for database records, API keys, and system integration. All generation occurs client-side for maximum security, making it perfect for database primary keys, API development, unique file naming, and any application requiring reliable unique identifiers.
UUID v4 Standard Bulk Generation Cryptographically Secure Instant Copy
SECURE
Protected Connection
550e8400-e29b-41d4-a716-446655440000
Generate 10 at once
2^122 possible values
Trust Score
5.0
Generating UUIDs...
Generated UUIDs 0
UUID Information

Select a UUID version to see details

Statistics
0
Total Generated
0
Total Copied
Use Cases
  • v4: General purpose, maximum randomness
  • v1: Timestamped, sortable by creation time
  • v7: Modern timestamp-based, good performance
  • NIL: Testing and placeholder scenarios

Help & Related Tools

Everything you need to know

FAQ Frequently Asked Questions

What is the difference between UUID versions?
This tool generates UUID version 4 (random), which is the most commonly used type. UUID v4 uses cryptographically secure random numbers, making collisions extremely unlikely. Other versions use timestamps or MAC addresses.
How unique are these UUIDs really?
UUID v4 has 122 bits of entropy, making the probability of generating a duplicate essentially zero. You could generate a billion UUIDs per second for the next 100 years and still not expect a single duplicate.
Can I use these UUIDs as database primary keys?
Yes, UUIDs make excellent primary keys, especially for distributed systems. They are globally unique, do not reveal information about your data volume, and work well across multiple databases or systems.
Why generate 10 UUIDs at once?
Generating multiple UUIDs at once is convenient for bulk operations like setting up test data, creating multiple database records, or when you need several unique identifiers for a project. You can copy them individually or all at once.
Are these UUIDs cryptographically secure?
Yes, the UUIDs are generated using cryptographically secure random number generation provided by your browser. This makes them suitable for security-sensitive applications where unpredictability is important.

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