UUID Generator

Generate random v4 or time-based v1 UUIDs free in your browser. No sign-up needed.

Generate UUIDs Instantly

UUID / GUID Generator creates universally unique identifiers in version 4 (random) or version 1 (timestamp-based) format, in bulk if needed, for use as database keys, tracking IDs, or anywhere you need a guaranteed-unique value.

How to use

Choose UUID version 4 (random) or version 1 (timestamp-based).
Select how many UUIDs you want to generate at once.
Copy the generated UUID(s) for use in your database or code.

Common use cases

Generating a primary key for a new database record.
Creating a unique session or request ID for logging.
Producing test data with guaranteed-unique identifiers.

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