Made with your browser's secure random generator. Nothing is sent to our servers.
About UUID Generator
UUID Generator creates random version 4 UUIDs, also called GUIDs, for databases, tests and software. Make one or up to 500 at a time.
Tips for best results
- Version 4 UUIDs are random, so the chance of two being the same is extremely small.
- Do not use a UUID as a secret or password.
- Some systems expect UUIDs without hyphens, so turn them off when needed.
How to use UUID Generator
- 1
Choose how many
Enter a number from 1 to 500.
- 2
Pick the format
Choose uppercase or remove the hyphens if you need to.
- 3
Copy the list
Press Copy or download the file.
Frequently asked questions
Are these UUIDs truly random?
They come from your browser's secure random generator.
Are they stored anywhere?
No. They are made on your device and never sent to us.
What is the difference between UUID and GUID?
They are the same thing. GUID is the name often used by Microsoft.