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UUID Generator

Random v4 UUIDs

Count
UUID v4 — Fully random, collision probability near zero (recommended)
UUID v1 — Time-based; browser substitutes a random node ID

How to use

Instantly generate several v4 (random-based) UUIDs, as used for database primary keys and temporary identifiers, and copy them to the clipboard.

Q. Can the generated UUIDs collide?

A. A v4 UUID uses a 128-bit random value, so the chance of a duplicate is practically negligible.

Q. Can I get them in uppercase?

A. Yes. You can switch the display format between uppercase and lowercase.