UUID Generator

Data & Encoding

Generate UUID v4 (random) and v7 (timestamp-sortable) identifiers. All generated client-side using Web Crypto API.

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Generated UUIDsV4 · 1 id

c8a641c1-e7bb-4f28-b9d6-43e63558718c

Random-based UUID. 122 bits of randomness from Web Crypto API. Best for general-purpose unique identifiers where ordering doesn't matter.

Timestamp-based UUID (RFC 9562). Millisecond precision, naturally sortable by creation time. Great for database primary keys.

Use when you need unique IDs for database records, API keys, or request tracing. v4 for randomness, v7 for sortable timestamps.

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