Online UUID Generator - Version 4

UUID Version 4 generates identifiers using random or pseudo-random numbers. This version is designed to provide a completely unique ID without relying on system information like timestamps or MAC addresses.

Pros:

• Highly Random: The use of random numbers ensures a very low probability of collisions, making it ideal for general-purpose unique identifiers.
• No Privacy Concerns: Since it doesn’t use any device-specific information, there are no privacy issues.

Cons:

• Not Deterministic: The same inputs will produce different UUIDs, which may not be suitable for all use cases.
• Non-Sortable: UUID v4 values are purely random, so they cannot be sorted chronologically or lexicographically.

Best for: Use cases that require a large number of unique IDs without any dependencies on the generating system, such as database keys or tokens.

Learn more about other UUID versions: Version 1, Version 3, Version 5, Version 6, Version 7 or go back to Online UUID Version 4 Generator