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Encoding & Security

UUID Generator

Generate one or more RFC 4122 v4 UUIDs.

Category

Encoding & Security

Tags

uuidguidgenerator
More Encoding & Security
Input

UUID Generator

uuidguidgenerator
Output

Generated UUIDs

Count
5
d0f6d23d-9ac0-4a37-abab-fc31ee6808bc
75ebad4a-8b0f-4977-aab0-ab489147f8df
f09c0099-97d3-4d84-bcdd-97055c0ff228
7d8c0b52-765a-402b-9ade-496b7829ad43
0296c0f2-2985-47c1-a6d3-4adbf01e8ccd

Why UUID generation is common

A UUID generator is useful when you need unique identifiers for records, mock data, API payloads, or testing. It gives you IDs that are easy to copy into databases, fixtures, and app state.

This is especially helpful for developers working with forms, sample objects, migration scripts, or frontend state where duplicate IDs cause bugs quickly.

UUID generator FAQ

What is a UUID used for?

UUIDs are commonly used as unique identifiers for database rows, API resources, test fixtures, sessions, and application objects.

Why use a UUID instead of an incremental ID?

A UUID is easier to generate independently across clients and systems without coordinating a single numeric sequence.

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