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UUID v4 Generator

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Generate UUID v4 identifiers in bulk.

All generated data is fictional and intended for development, testing, QA, prototyping, and automation only. Do not use it for fraud, impersonation, or illegal activity.

Configuration

Output

Configure the options and press Generate to produce output.

About this tool

RFC-4122 version-4 UUIDs for primary keys, idempotency keys and correlation ids. Set a seed for reproducible ids in tests.

Example output

[
  "3399bb01-a23b-436d-b90c-5129adcdda1c",
  "a22c1d20-cecf-4262-a228-541a69fc7eba"
]

API endpoint

curl "https://codetoolshub.dev/api/v1/common/uuid?count=3"
API

Frequently asked questions

Are these cryptographically secure?
When no seed is set they are suitable for ids; for security-sensitive randomness use a dedicated CSPRNG.

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