uuid generator

Home / UUID Use Case

UUID Use Case

UUID Client ID

An OAuth client needs a public client_id and a secret. A UUID client_id is unique, opaque, and easy to rotate.

OAuth2Public id + secretv4

Generated locally with the Web Crypto API — nothing leaves your browser.

What Is UUID Client ID?

How to generate

  1. Generate a v4 UUID client_id at registration.
  2. Generate a separate secret (hashed) for the client.
  3. Rotate the secret without changing the id.

Use Cases

Code Examples

JavaScript
const id = crypto.randomUUID();
Python
import uuid
id = uuid.uuid4()

Frequently Asked Questions

Is client_id a secret?
No — it identifies the app in redirects. Only the client_secret is secret.
Can I use the same UUID for many apps?
No — each app needs its own id so you can revoke one without breaking others.

Related tools

UUID v1 GeneratorUUID v3 GeneratorUUID v4 GeneratorUUID v5 GeneratorUUID v6 GeneratorUUID v7 GeneratorUUID v8 GeneratorBulk UUID GeneratorShort UUID GeneratorUUID ValidatorUUID FormatterUUID as a Primary KeyUUID Database IDUUID Foreign KeyUUID Shard KeyUUID Partition KeyUUID in a Composite KeyUUID Surrogate KeyUUID API KeyUUID Session TokenUUID Access TokenUUID Refresh TokenUUID Idempotency KeyUUID Request IDUUID Correlation IDUUID Trace IDUUID CSRF TokenUUID NonceUUID FilenameUUID Object KeyUUID S3 KeyUUID Upload IDUUID Cache KeyUUID Blob NameUUID Temp FileUUID User IDUUID Account IDUUID Customer IDUUID Device IDUUID Tenant IDUUID Client IDUUID Anonymous IDUUID Member IDUUID Message IDUUID Event IDUUID Job IDUUID Task IDUUID Queue Message IDUUID Transaction IDUUID Order IDUUID Invoice IDUUID Payment IDUUID Reset TokenUUID Verification TokenUUID Invite CodeUUID API SecretUUID Share LinkUUID Magic LinkUUID Node IDUUID Worker IDUUID Lock IDUUID Cluster IDUUID Test DataUUID Seed DataUUID FixtureUUID Mock IDUUID Placeholder IDUUID Sample ID