UUID v6 Validation – Check Version 6 UUID Online

Local only

Validate the encoded UUID version using the same canonical UUID inspector as the main UUID tool.

36 chars · 1 line

Waiting for input

Valid UUID v6

UUID version validation

UUID v6 Validation: what does the validator actually check?

UUID v6 uses a reordered time-based layout designed for improved sort behavior compared with older time-based forms. VetaTool can identify the version 6 nibble but does not decode or validate its embedded timestamp fields. This tool is free to use. No account or payment is required.

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What you can do here

  • Canonical 8-4-4-4-12 UUID validation
  • UUID version inspection
  • RFC 4122 variant checking
  • Nil UUID recognition
  • Uppercase hexadecimal support
  • Browser-local validation

Steps

  1. Paste the UUID and confirm the first hexadecimal digit of the third group is 6.
  2. Confirm canonical text and an RFC-compatible variant nibble before accepting the Valid UUID v6 structural result.
  3. If you need time semantics, decode the reordered Gregorian timestamp, clock sequence, and node with a UUIDv6-aware parser; this inspector does not validate those fields.

UUID v6 is recognized from its encoded version

A version nibble of 6 produces the Valid UUID v6 label when canonical format and variant checks also pass.

The validator does not extract a v6 timestamp or compare its time fields for internal consistency.

Version detection is not full semantic validation

VetaTool reads the UUID version nibble and RFC-compatible variant range. It does not reconstruct how the identifier was generated or validate every version-specific timestamp, namespace, hash, random, or custom field.

Treat the result as structural UUID inspection. Protocols and applications can impose additional requirements beyond the encoded version number.

UUID v6 Validation example

RFC 9562 UUIDv6 test vector with the reordered Gregorian time layout; VetaTool validates the encoded version and variant but does not decode its timestamp fields.

UUID input

1ec9414c-232a-6b00-b3c8-9f6bdeced846

Validation result

Valid UUID v6

Common questions

Frequently asked questions

Does the validator decode a UUID v6 timestamp?

No. For UUID v6, the inspector reports the encoded version and validates format and variant bits without decoding the reordered Gregorian timestamp fields.

Does this prove the UUID was generated by a version 6 algorithm?

No. The validator confirms canonical text, the encoded version nibble, and RFC-compatible variant bits. It does not verify generator provenance or all version-specific field semantics.

Recommended next steps

UUID v7 ValidationInspect canonical UUID text whose version nibble identifies time-ordered UUID v7.UUID Version DetectionRead the version nibble from a canonical UUID and identify values such as UUID v1.UUID Generator & Validator OnlineGenerate UUID v4 batches or validate canonical UUID format, version, and variant locally.

Debugging a specific UUID issue? Browse UUID troubleshooting.