Convert tools

UUID Inspector

Inspect UUID text for its version, variant, nil and max values.

Convert in your browser · No sign-up

Requires canonical 8-4-4-4-12 hexadecimal syntax. Non-RFC variants have a null version; inspection does not prove uniqueness, randomness or authenticity.

Up to 100,000 UTF-16 units per input and 1,000,000 per result. See the supported formats and examples below.

How to use

  1. Inspect UUID text for its version, variant, nil and max values.
  2. Choose the mode or options, then run the tool.
  3. Review the result, then copy or download the TXT file.

Example

550e8400-e29b-41d4-a716-446655440000 → version 4, RFC variant

Details and limitations

Requires canonical 8-4-4-4-12 hexadecimal syntax. Non-RFC variants have a null version; inspection does not prove uniqueness, randomness or authenticity.

Text stays in your browser; it is not sent to a conversion server.

FAQ

UUID Inspector — What are the supported inputs and limits?

Requires canonical 8-4-4-4-12 hexadecimal syntax. Non-RFC variants have a null version; inspection does not prove uniqueness, randomness or authenticity.

Format references

Tool page updated: