DevTools / Generators
UUID Generator
Generate random, unique UUIDs (version 4) — one at a time or in bulk — entirely in your browser.
Runs in your browser · No data uploaded
About this tool
A UUID (Universally Unique Identifier) is a 128-bit value used to uniquely identify information without needing a central authority to issue it. Version 4 UUIDs are generated using random numbers, making collisions practically impossible even across billions of IDs.
FAQ
Practically, yes. Version 4 UUIDs have so many possible combinations that the chance of a collision is negligible, even generating billions of them.