UUID Generator
Generate universally unique identifiers instantly. Free, fast, and secure.
Generated UUIDs (0)
What is UUID v4?
UUID Version 4 generates random universally unique identifiers. Each UUID has 122 bits of randomness, making collisions extremely unlikely. Perfect for database keys, session IDs, and general-purpose unique identifiers.
What is UUID v7?
UUID Version 7 includes a timestamp component, making them sortable by creation time. This is useful for distributed systems where chronological ordering is important, such as database primary keys that benefit from sequential insertion.
Frequently Asked Questions
What is a UUID?
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What is a UUID?
▼A UUID (Universally Unique Identifier) is a 128-bit number used to uniquely identify information in computer systems. The probability of generating duplicate UUIDs is so low that it's considered negligible.
What is the difference between UUID v4 and v7?
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What is the difference between UUID v4 and v7?
▼UUID v4 is randomly generated with 122 bits of randomness, while UUID v7 includes a timestamp component making them sortable by creation time. v7 is useful for database keys where chronological ordering is beneficial.
Is this UUID generator secure?
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Is this UUID generator secure?
▼Yes, all UUIDs are generated locally in your browser using JavaScript's crypto API. No data is sent to our servers, ensuring complete privacy and security.
Can I generate multiple UUIDs at once?
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Can I generate multiple UUIDs at once?
▼Yes, you can bulk generate up to 1,000 UUIDs at once. Simply enter the desired quantity and click Generate.