UUIDLens
Open generator

No trimming or repair

Validate one exact canonical UUID

UUIDLens checks all 36 characters, 16 bytes, variant, version and Nil or Max classification without removing wrappers or whitespace.

Runs locally

Generate or validate UUID text

UUIDs stay in this browser

Exactly one lowercase 8-4-4-4-12 UUID; no braces, URN, uppercase or whitespace.

UUIDv4 and UUIDv7 generation only; validation recognizes RFC versions 1–8 plus Nil and Max.

UUIDs are identifiers, not passwords, access tokens, signatures or proof that a record exists.