What is UUID Generator?
A UUID (Universally Unique Identifier) is a 128-bit number used to identify information in computer systems. Version 4 UUIDs are randomly generated using cryptographically strong pseudo-random number generators (PRNGs).
How to use this tool
- Select your desired bulk quantity (1 to 500 UUIDs).
- Toggle formatting options (Uppercase, Hyphens).
- Click "Generate UUIDs".
- Copy individual UUIDs or download the full list as a .txt file.
Example
Input:
Quantity: 2
Output:
f47ac10b-58cc-4372-a567-0e02b2c3d479 9b1deb4d-3b7d-4bad-9bdd-2b0d7b3dcb6d
Common Use Cases
- Generating primary key identifiers for database seeds.
- Assigning unique request IDs or session tokens in web services.
- Creating mock test data for frontend API stubs.
Frequently Asked Questions
What is the probability of a UUID v4 collision?
Extremely low. To have a 50% probability of even a single collision, you would need to generate 1 billion UUIDs per second for roughly 85 years.