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Tool Factory

Generators & Randomness

UUID Generator

Create UUID from the selected options. Enter input, adjust the options, then copy or download the result.

Tool workspace

Your input stays in this browser.

Add the required input to continue.

Needs input

You can run the tool again after any change.

Options

UUID version

UUID namespace (UUID; valid for v3 and v5)

Your result appears here

Create UUID from the selected options. Enter input, adjust the options, then copy or download the result.

This tool runs open-source code from CyberChef by GCHQ (Apache License 2.0). See open-source credits.

UUID Generator creates RFC 9562 UUIDs in supported versions v1, v3, v4, v5, v6, and v7.

It returns a UUID text value. The operation runs in your browser. Processing runs in the browser.

Instructions

  1. Provide text or data for this tool.
  2. Choose a supported UUID version.
  3. Provide namespace data for name-based versions.
  4. Store the generated identifier with its intended record.

Example

Input: namespace name for a name-based version

Settings: UUID Generator: Version: v4; namespace: default.

Result: It returns a UUID text value. The operation runs in your browser.

Limits

  • UUID Generator: Random UUIDs are identifiers, not secrets.
  • UUID Generator: Name-based output depends on namespace and name.
  • UUID Generator: Timestamp versions can reveal timing information.

Questions

What input does UUID Generator accept?

UUID Generator accepts text. Generates an RFC 9562 (formerly RFC 4122) compliant Universally Unique Identifier (UUID), also known as a Globally Unique Identifier (GUID). We currently support generating the following UUID versions: v1: Timestamp-based, v3: Namespace w/ MD5, v4: Random (default), v5: Namespace w/ SHA-1, v6: Timestamp, reordered, v7: Unix Epoch time-based, UUIDs are generated using the uuid package.

Which settings does UUID Generator provide?

UUID Generator provides controls for Version, Namespace.

What does UUID Generator return?

UUID Generator returns text. Generates an RFC 9562 (formerly RFC 4122) compliant Universally Unique Identifier (UUID), also known as a Globally Unique Identifier (GUID). We currently support generating the following UUID versions: v1: Timestamp-based, v3: Namespace w/ MD5, v4: Random (default), v5: Namespace w/ SHA-1, v6: Timestamp, reordered, v7: Unix Epoch time-based, UUIDs are generated using the uuid package.