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Tools / Generators

UUID Validator & Decoder

Validate UUIDs and GUIDs, inspect hexadecimal and decimal forms, version, variant and timestamps.

Everything runs locally in your browser.

What is UUID Validator & Decoder?

A UUID is a 128-bit identifier. Version/variant inspection helps distinguish random, timestamp, name-based and reserved representations; it does not establish authenticity.

How to use this tool

  1. Choose a UUID version or keep the default for UUID Validator & Decoder.
  2. Adjust output presentation or namespace options as needed.
  3. Generate locally, then copy or download the result.

Example

018f4de0-29ac-7e43-9c0e-4c6ba27cb849

Related developer tools

UUID v4 GeneratorBulk UUID Generator