🆔

UUID Generator

Generate cryptographic RFC 9562 UUIDv4 and monotonic UUIDv7 batches, or inspect UUID format, version, variant, and v7 timestamp

Browser processinguuiduuidv4uuidv7rfc-9562generatorrandominspector

Terms explained

Plain-language definitions for technical terms used by this tool.

UUID: A 128-bit identifier designed to be unique without a central counter.
UUIDv4: A UUID whose identifying bits are generated randomly.
UUIDv7: A time-ordered UUID containing a Unix timestamp plus random data, which sorts well in databases.
Variant: Bits that identify the UUID layout family; this tool uses the RFC 9562 layout.