Generate UUID

Generate UUID is a free online UUID Tools tool that generates an RFC 9562 (formerly RFC 4122) compliant Universally Unique Identifier (UUID), instantly in your browser. Paste your data, adjust the options and get the result in real time — no installation, no sign-up, and nothing is ever uploaded to a server.

How to use: Generate UUID →

Description

Generates an RFC 9562 (formerly RFC 4122) compliant Universally Unique Identifier (UUID),

  • This tool runs the official CyberChef engine on the 26173 server. Avoid pasting secrets you would not send to any server.

How to use

Using Generate UUID takes three steps:

  1. Paste your data into the input box (or load the example).
  2. Configure the options to match your target format or scenario.
  3. Copy, download or inspect the output — it updates live as you type.

Use cases

Common situations where Generate UUID helps:

  • Generates an RFC 9562 (formerly RFC 4122) compliant Universally Unique Identifier (UUID),
  • This tool runs the official CyberChef engine on the 26173 server. Avoid pasting secrets you would not send to any server.

FAQ

What is Generate UUID?

Generate UUID generates an RFC 9562 (formerly RFC 4122) compliant Universally Unique Identifier (UUID),. It runs entirely in your browser, so your data stays private.

Is Generate UUID free to use?

Yes. Generate UUID is free, unlimited and works without registration or installation.

Does my data get uploaded?

Is my data uploaded for this tool? — This tool is processed on our server by design; input is used only for the computation and is not stored.

Related tools

Add line numbersAdds line numbers to the output.Affine Cipher EncodeThe Affine cipher is a type of monoalphabetic substitution cipher, wherein each letter in an alphabet is mapped to its numeric equivalent, encrypted using simple mathematical function, (ax + b) % 26 , and converted back to a letter.Alternating CapsAlternating caps, also known as studly caps, sticky caps, or spongecase is a form of text notation in which the capitalization of letters varies by some pattern, or arbitrarily. An example of this would be spelling 'alternative caps' as 'aLAscon HashAscon-Hash256 produces a fixed 256-bit (32-byte) cryptographic hash as standardised in NIST SP 800-232. Ascon is a family of lightweight authenticated encryption and hashing algorithms designed for constrained devices such as IoT sensors anBLAKE3Hashes the input using BLAKE3 (UTF-8 encoded), with an optional key (also UTF-8), and outputs the result in hexadecimal format.Bcryptbcrypt is a password hashing function designed by Niels Provos and David Mazières, based on the Blowfish cipher, and presented at USENIX in 1999. Besides incorporating a salt to protect against rainbow table attacks, bcrypt is an adaptive f