UUID Generator
Generate random secure UUIDs and GUIDs instantly for databases, APIs, testing environments, and software development projects.
UUID Generator
Generate fresh UUIDs when options change.
About This UUID Generator
This UUID generator creates version 4 random UUIDs for development, testing, databases, and API examples.
It also supports formatting options such as uppercase output, removing hyphens, wrapping values in quotes, and comma-separated output.
How to Use This Tool
- 1
Choose how many UUIDs
Enter a count between 1 and 100.
- 2
Set formatting options
Choose uppercase, hyphen removal, quote wrapping, or comma-separated output.
- 3
Generate and copy
Create fresh UUIDs and use them in your database, API, or test fixture.
Frequently Asked Questions
What UUID version does this generate?v
The calculator generates version 4 random UUIDs.
Are UUIDs guaranteed unique?v
No random system can promise absolute uniqueness, but UUID v4 collisions are extraordinarily unlikely for normal use.
Is GUID different from UUID?v
In most development contexts, GUID and UUID refer to the same 128-bit identifier format.