Free browser tool
UUID Generator
Generate UUID v4 values in bulk directly in your browser.
Last updated:
UUID options
Generate one or many unique UUID v4 IDs with browser crypto.
Free UUID v4 generator
Generate identifiers for development, testing, seed data, and database records without sending anything to a server.
Tool description
Generate UUID v4 identifiers in bulk. UUIDs are commonly used as database IDs, test data, request IDs, and unique labels.
Common uses
- Create IDs for database rows, fixtures, logs, or API examples.
- Generate multiple UUIDs at once for development and testing.
- Copy clean UUID v4 values without installing a tool.
How to use UUID Generator
- 1. Choose how many UUIDs you need.
- 2. Generate the UUID list.
- 3. Copy or download the values for your project.
FAQs
What version of UUID is generated?
The tool generates UUID v4 values, which are random UUIDs.
Are UUIDs guaranteed unique?
UUID v4 collisions are extremely unlikely, but uniqueness still depends on proper random generation.
Can I generate many at once?
Yes. Use the quantity setting to create a batch.