UUID Generator
Generate random UUID v4 strings online. Create single or bulk UUIDs instantly for free.
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Click “Generate” to create UUIDs
About UUID Generator
Generate cryptographically random UUID v4 strings instantly. Our UUID Generator lets you create one or hundreds of unique identifiers at once - perfect for database primary keys, session tokens, and API identifiers.
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Your privacy is built in
Everything in UUID Generator runs locally in your browser — your data never leaves your device and is never uploaded to a server, so nothing you enter is stored or seen by anyone else. No account, no sign-up, no watermark, and completely free.
Frequently asked questions
What is a UUID?
UUID (Universally Unique Identifier) is a 128-bit label used to uniquely identify information in computer systems without central coordination.
What is UUID v4?
UUID v4 is randomly generated using cryptographically secure random numbers, making collisions extremely unlikely.
Can I generate multiple UUIDs at once?
Yes! Use the bulk generate option to create up to 1000 UUIDs at once.