UUID Generator
Generate RFC 4122 Version 4 universally unique identifiers with customizable formatting.
How to Use the UUID Generator
Follow these simple steps to use this tool directly in your browser.
Set Quantity
Select how many UUIDs you need (1 to 50).
Choose Options
Toggle uppercase letters or hyphen delimiters.
Generate & Copy
Click Generate UUIDs and copy the list to your clipboard.
Key Features
Web Crypto Backed
Uses hardware-grade random entropy for zero collision risk.
Bulk Output
Instantly create up to 50 unique identifiers at once.
A Version-4 UUID (Universally Unique Identifier) is a 128-bit label constructed from cryptographically random numbers. With 2122 possible combinations, the probability of generating a duplicate UUID is so astronomically low as to be practically impossible.
Frequently Asked Questions
GUID (Globally Unique Identifier) is Microsoft's implementation term for the standard RFC 4122 UUID; mathematically they are identical.
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