Boring Tools
Randomness โ†’ UUID v4

Generate UUID v4 identifiers.

Create standards-shaped random IDs locally with no server request.

๐Ÿ”’ Processed locallyYour input stays on this device and is never uploaded to Boring Tools.
Result

How to use UUID Generator

UUID v4 values contain random bits and fixed version markers. They are useful for identifiers that do not need a central sequence generator.

Steps

  1. Choose how many values you need.
  2. Generate the UUIDs.
  3. Copy the newline-separated result.

Formats, limits, and accuracy

Random UUIDs are not human-friendly secrets and do not replace authorization checks. Uniqueness is probabilistic, though collisions are extraordinarily unlikely with a secure generator.

Frequently asked questions

Are these generated on a server?

No. The browser crypto.randomUUID API is used when available.

Can I use them as passwords?

Use a password or token generator designed for that purpose instead.

Practical notes

Generated identifiers are not stored by Boring Tools.

Use database constraints when uniqueness is operationally important.