UUID Generator

Generate unique identifiers for databases, APIs, and applications

UUID v1 Generator

Timestamp-based

Generate timestamp-based UUIDs with MAC address components

UUID v1 contains timestamp and MAC address information that may reveal system details. Consider UUID v4 for better privacy.

Contains MAC AddressTimestamp-basedSortableLess Random

UUID Settings

Count: 1Single

UUID v1 Structure

xxxxxxxx-xxxx-1xxx-xxxx-xxxxxxxxxxxx

• Timestamp (60 bits)

• Version (4 bits) = 1

• Clock sequence (14 bits)

• Node (48 bits, MAC address)

When to Use UUID v1

When sorting by creation time is important

Time-based record keeping

Legacy system compatibility

RFC 4122 Compliant

All UUIDs generated follow the official RFC 4122 standard.

Cryptographically Secure

UUID v4 uses cryptographically secure random number generation.

No Server Storage

All generation happens in your browser. Nothing is stored on our servers.