Security

UUID Generator — Create Random UUID v4 / GUID Online

Generate UUID v4 identifiers.

Local Processing What you type (or the file you choose) stays on your device — it is processed in this browser and never sent to Fah Swe servers.

What is UUID Generator?

UUID Generator is a free online tool that creates random version 4 UUIDs (also called GUIDs) in bulk using a cryptographically strong source. Copy unique IDs for databases, APIs and apps.

Generate UUID v4 identifiers online in bulk. Cryptographically strong IDs for apps and databases — free UUID generator on Fah Swe Tools.

Key features

  • UUID v4 (random) format
  • Bulk generation
  • Cryptographically secure randomness
  • Copy the whole list

Common uses

  • Primary keys for databases
  • Unique IDs for API objects and files
  • Test data for development

Also known as: GUID Generator, UUID v4 Generator, Random UUID.

How it works

  1. Choose how many UUIDs.
  2. Generate.
  3. Copy the list.

FAQ

Cryptographic?

Random version-4 UUIDs from your browser’s Web Crypto generator, made on your device.

Is a UUID the same as a GUID?

Yes. GUID is Microsoft's name for the same 128-bit identifier.

Can two UUID v4 values be the same?

In practice no — the chance of a collision is astronomically small.

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