Fluxkit

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UUID Generator

Generate UUID v4 identifiers in bulk for databases, APIs, and testing. Copy one or many with a click.

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When to use UUID v4

A UUID (Universally Unique Identifier) is a 128-bit value often written as 36 characters with hyphens. Version 4 UUIDs are random and are widely used as primary keys, request IDs, and test fixtures when you do not need time-ordered IDs.

Steps

  1. Set how many UUIDs you need (up to 100).
  2. Click Generate to create a fresh list.
  3. Copy all IDs for fixtures, seed data, or API examples.
  4. Paste them into your database script, test file, or ticket.

Tips

  • UUID v4 collision risk is extremely low for normal application volumes.
  • If you need sortable IDs, consider ULID or UUID v7 instead of v4.
  • Keep IDs opaque in URLs; do not encode private meaning into them.

Frequently asked questions

Which UUID version is generated?

This tool generates UUID version 4 (random) using the browser crypto API when available.

Can I generate multiple UUIDs?

Yes. Choose how many IDs you need and copy them all at once as a newline-separated list.

Is a UUID the same as a GUID?

GUID usually refers to Microsoft’s implementation of the same UUID concept. The string format is compatible for most practical uses.

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