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UUID Inspector

Inspect UUID format, version bits and variant; read the timestamp of version 7 UUIDs.

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  1. 01

    Add your input

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  2. 02

    Make it yours

    Adjust the options and run the action.

  3. 03

    Take the result

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UUID version checker online

Read structural information from a canonical UUID. Version and variant bits do not prove origin, uniqueness or authenticity.

How to use it

Enter the source input or select Try example. Review the displayed input. Select Run tool and inspect the result before copying or downloading.

Worked examples

Read structural information from a canonical UUID.

Worked example — UUID Inspector

Settings: No additional options

Input:

550e8400-e29b-41d4-a716-446655440000

Output:

{
  "uuid": "550e8400-e29b-41d4-a716-446655440000",
  "version": 4,
  "variant": "RFC",
  "nil": false,
  "max": false
}

For this input, “version” is 4; “nil” is false. These are the named fields in the example output.

Limitations and common mistakes

  • Version and variant bits do not prove origin, uniqueness or authenticity.

Frequently asked questions

How can I examine a UUID online?

Enter the source input or select Try example. Review the displayed input. Select Run tool and inspect the result before copying or downloading.

Where is my input processed?

The bundled tool processes input in your browser. It does not upload tool input to a conversion service. Other site plugins, analytics, advertising and browser extensions may have separate behavior.

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