UUID Generator — Free Online

Generate UUID v1, v4 and GUID Instantly

Generate Universally Unique Identifiers (UUIDs) instantly online. Supports UUID version 1 (time-based) and version 4 (random). Generate single or bulk UUIDs for development and database use.

Version

How many?

⚡

Instant

Seconds to process

🔒

Secure

Files never stored

🆓

100% Free

No account needed

How to Use UUID Generator

Choose UUID version (v1 or v4)

Select quantity (1 to 1000)

Click Generate

Copy UUIDs individually or all at once

Frequently Asked Questions

UUID (Universally Unique Identifier) is a 128-bit identifier guaranteed to be unique across all computers and time. Used in databases, APIs, and distributed systems.

UUID v1 is time-based and includes the machine's MAC address. UUID v4 is completely random and more widely used for security reasons.

Yes! Generate up to 1000 UUIDs at once in bulk mode.