๐ UUID Validator
Valid UUID โVersion: 4Variant: RFC 4122 (standard)
Enter a UUID (universally unique identifier, in the 8-4-4-4-12 hex digit format) to validate its format and determine the version number and variant defined by RFC 4122.
How to use
- Enter the UUID you want to validate.
- Whether itโs correctly formatted, along with its version and variant, is shown automatically.
FAQ
What is a UUID version?
A number (1โ8) indicating how the UUID was generated. For example, version 4 means random generation, while version 1 means timestamp- and MAC-address-based generation.
What is a variant?
A classification of the UUIDโs internal layout. Nearly all UUIDs in wide use today are the standard variant defined by RFC 4122.
Can this check for duplicates?
No. This tool only validates whether the input string is correctly formatted as a UUID. Checking for actual duplicates within your system requires a separate check.