UUID Generator

Generate random UUID v4 identifiers instantly. Unique IDs for databases, APIs, and more.

UUID v4Batch generateNo signup

Format

Count

Generated locally

Generated UUIDs

09f1e494-df16-4343-b0e2-1bcabfa942d4

Documentation

What is a UUID?

UUID is a 128-bit identifier formatted as 8-4-4-4-12 hex characters (e.g. 550e8400-e29b-41d4-a716-446655440000).

When do you need it?

Database primary keys, API request IDs, session tokens, file names, and any unique identifier need.

How to use

1) Click Generate to create a new UUID.
2) Copy or generate multiple at once.

FAQs

What is a UUID?

UUID is a 128-bit identifier used to uniquely identify objects in computer systems.

What is UUID v4?

UUID v4 is randomly generated using cryptographically secure random numbers.

Are UUIDs truly unique?

The collision probability is approximately 1 in 2^122 for UUID v4.

Does this tool store my UUIDs?

No. All generation happens locally in your browser. UUIDs are never uploaded or stored.

Is it free?

Yes. The UUID generator is completely free with no signup or limits.

Privacy: All processing runs in your browser. Nothing is stored.

Last updated: 2026-08-04

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