UUID / GUID Generator
Generate version 4 UUIDs using the browser cryptographically secure random number generator (Web Crypto API). Choose quantity, uppercase/lowercase, and hyphens.
Key Features
- Generates standard RFC 4122 Version 4 UUIDs
- Uses browser native crypto.randomUUID() for true randomness
- Generate 1 to 500 UUIDs at once
- Format options: uppercase/lowercase and with/without hyphens
Unlike traditional utility websites that upload your personal documents to cloud servers, Privatify Tools executes entirely inside your browser using WebAssembly and modern browser APIs.
Your files never leave your device, ensuring maximum confidentiality for contracts, financial statements, and personal photos.
Frequently Asked Questions
How random and unique are these UUIDs? ▼
They use your operating system and browser cryptographic entropy (crypto.randomUUID()). The probability of a duplicate is virtually zero.
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