UUID Generator
Generate one or many UUID v4 values instantly with options for uppercase output and no dashes.
Options
Generated UUIDs
0 generatedWhat is a UUID generator?
A UUID generator creates universally unique identifiers that are commonly used in databases, APIs, distributed systems, and testing.
UUID v4 values are random and are often used when you need identifiers that are extremely unlikely to collide.
How to use the UUID Generator
- Choose how many UUIDs you want to generate.
- Optionally enable uppercase or remove dashes.
- Click Generate.
- Copy the result and use it in your app, fixtures, or database.
Tips
- UUID v4 is useful for IDs in distributed systems.
- Bulk generation helps with test data and imports.
- Removing dashes can be useful for systems that require compact IDs.
- Uppercase output is mostly a formatting preference unless your system requires it.
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UUID Generator FAQ
Are generated UUIDs sent to the server?
No. Everything runs locally in your browser.
Can I generate multiple UUIDs at once?
Yes. You can generate one or many UUIDs in a single click.
Is UUID v4 random?
Yes. UUID v4 is based on random values and is commonly used for unique identifiers.