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UUID / GUID Generator
Generate cryptographically secure v4 UUIDs in bulk with hyphen and uppercase formatting options.
UUID / GUID Generator Workspace
This tool runs directly in your browser using local CPU execution. Enter your input below to process.
About UUID / GUID Generator
Create universally unique identifiers (UUIDs) conforming to RFC 4122 v4 standards.
How to Use UUID / GUID Generator
- 1Select the quantity of UUIDs to generate.
- 2Toggle formatting (hyphens, uppercase, braces).
- 3Click generate and copy the list.
When to Use This Tool
- •Database primary keys.
- •Mocking API IDs and session tokens.
- •Distributed system identifiers.
What to Expect from the Result
Unique, cryptographically random v4 UUID strings.
Your Privacy is Guaranteed (100% Client-Side)
UUIDs are created via window.crypto.getRandomValues on your device.
Frequently Asked Questions
Can UUIDs collide?
The probability of a collision in UUID v4 is negligible (approx 1 in 2.71 quintillion).
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