Free online utility · Gentooly

Generate UUIDs

UUIDs are 128-bit identifiers used for database keys, file names and request tracking. Generate random version 4 values in one click.

Use the interactive tool to complete your task. Core utilities are free to use. AI Studio, our separate AI product, is coming soon.

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How to use this tool

  1. Open the UUID Generator.
  2. Generate a new value.
  3. Copy it into your code or database.

Common questions

Is a UUID guaranteed to be unique?

Version 4 UUIDs are random. Collisions are astronomically unlikely in practice, but not mathematically impossible.

Which UUID version does it create?

Version 4, based on random numbers.

Should I use UUIDs as secrets?

No. They are identifiers, not security tokens.

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