UUID Generator
Free
Generate UUID v4 identifiers in bulk.
Runs 100% in your browser — data stays private
About UUID Generator
Generate UUID v4 (Universally Unique Identifier) values instantly. Create one UUID or generate up to 100 at once for testing, database seeding, and application development.
UUIDs are 128-bit identifiers used as primary keys, session IDs, and unique references across distributed systems. Our generator uses crypto-secure random values.
Key Features
- Generate UUID v4 (random)
- Bulk generation up to 100 UUIDs
- Copy all UUIDs at once
- Cryptographically secure randomness
- No server requests
How to Use
- 1Set the number of UUIDs to generate.
- 2Click Generate.
- 3Copy individual or all UUIDs.
Common Use Cases
Database primary key generation for testing
Creating unique session identifiers
Mock data for API development
Generating correlation IDs for logging
Frequently Asked Questions
What UUID version does this generate?+
UUID v4 — randomly generated using cryptographically secure random numbers.
Are generated UUIDs guaranteed unique?+
UUID v4 has 122 random bits, making collisions astronomically unlikely for practical purposes.
Can I generate UUID v1 or v7?+
Currently only UUID v4 is supported. v4 is the most common choice for application development.
Related Tools
Browse more tools in Generators.