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UUID Generator
Use this UUID generator to create random UUID v4 identifiers for development, APIs, test data, databases, and internal tooling.
Frequently Asked Questions
UUID v4 is a random identifier format commonly used for database keys, API resources, and distributed systems.
How this calculator works
Formula explanation
A UUID v4 is a randomly generated identifier formatted in five groups separated by hyphens.
Worked example
Example: 550e8400-e29b-41d4-a716-446655440000
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