What is a UUID?
A UUID is a universally unique identifier used to uniquely identify objects or records.
Tool workspace
Generate UUIDs instantly online. Create universally unique identifiers (UUID v4) for databases, APIs, and distributed systems.
Output
UUID Generator creates random universally unique identifiers (UUIDs) commonly used in databases, distributed systems, APIs, and applications that require unique identifiers.
Input
Generate UUID
Output
550e8400-e29b-41d4-a716-446655440000
UUIDs are 128-bit identifiers designed to be globally unique. Version 4 UUIDs are generated using random numbers.
A UUID is a universally unique identifier used to uniquely identify objects or records.
UUID version 4 uses random numbers to generate unique identifiers.
While not mathematically guaranteed, the probability of collision is extremely low.
In databases, APIs, distributed systems, and application identifiers.
Yes many modern systems use UUIDs as primary keys.
Yes the tool uses secure browser randomness.