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UUID/GUID Generator

Create one or many UUID v4 values instantly, adjust quantity, and copy the full set for database or API work.

Universally Unique Identifiers (UUIDs) are 128-bit values used to uniquely identify records, sessions, objects, and entities across distributed systems. Version 4 UUIDs are randomly generated and have extremely low collision probability.

This tool generates version 4 UUIDs in the standard 8-4-4-4-12 format. Generate one UUID at a time or batch multiple copies for seeding databases, populating test data, or creating unique identifiers for frontend, backend, and API workflows.

UUID Generator Tips

Short comparisons and tips to help you choose the right option faster.

UUID vs auto-increment IDs

UUIDs are useful when uniqueness matters across distributed systems, clients, or merged datasets. Auto-increment IDs are simpler when a single database controls all records.

When bulk UUID generation helps

Generating many UUIDs at once is useful for mock data, fixture generation, test setups, import templates, and batch workflows.

How to Use

Follow these quick steps to get the result you need.

1

Choose how many UUIDs you want to generate in one batch.

2

Generate the values and review them in the output panel.

3

Copy a single set or all generated UUIDs together, then clear the list when you are done.

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