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UUID
UUID v4 Generator
developer
1255075100
Data Source & Legal Disclaimer
Effective: Current
Sources: RFC 4122 — UUID URN Namespace

UUIDs are generated locally using the browser's cryptographic random number generator (crypto.getRandomValues). No data is uploaded — everything runs in your browser. Generated UUIDs are collision-resistant for practical use but should not be treated as cryptographically authenticated identifiers.

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About This Tool

Generate RFC 4122 random UUIDs with this free online tool. Batch create up to 100 UUID v4 per click using crypto.getRandomValues for cryptographically secure true randomness. Perfect for database primary keys, file names, session tokens, and any unique identifier needs. No signup, no limits, no tracking — 100% browser-based. Copy all results instantly.

Batch 100Crypto secureRFC 4122📖 View Full Guide

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