UUID v4 Generator

UUID v4 provides uniqueness, not secrecy; do not embed secrets in IDs.

About UUID v4

UUID v4 is randomly generated and useful for unique identifiers. It is not a security token.

UUID v4 generator online free, no upload (FAQs)

FAQs

Is UUID v4 unique?: Practically unique with 122 bits of randomness; collisions are astronomically unlikely.
Can UUIDs store secrets?: No. They are identifiers, not secret tokens.
Does this tool upload my data?: No. Generation happens in your browser using the CSPRNG.

UUID v4 generator FAQs

FAQs

What is UUID v4?: A randomly generated 128-bit identifier formatted as 8-4-4-4-12 hexadecimal.
Is UUID unique?: Collisions are astronomically unlikely; v4 is safe for most practical uses.
UUID vs GUID?: GUID is Microsoft's implementation; terms are used interchangeably in many contexts.