Can two generated UUIDs collide?

UUID Generator (v4)

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Create cryptographically random UUIDs (Universally Unique Identifiers) in bulk. Options for uppercase, lowercase, with or without hyphens.

Browser-based: this tool works on your device and does not send your input to an Alona Tool server. See the Privacy Policy for details.

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Standard UUID v4

Input Scenario:

Count: 1

Generated Result:

f47ac10b-58cc-4372-a567-0e02b2c3d479

Calls the native browser `crypto.randomUUID()` API which provides 122 bits of true cryptographic entropy.

The odds of a duplicate UUID v4 collision are 1 in 2.71 quintillion, making collisions virtually impossible.

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