UUID Generator

Generate random UUID v4 and timestamp-ordered UUID v7 identifiers in bulk. Everything runs locally in your browser using the Web Crypto API.

UUID v4 identifiers are fully random and ideal for general-purpose unique IDs. UUID v7 identifiers embed a 48-bit Unix millisecond timestamp (per RFC 9562), so they sort chronologically — a better fit for database primary keys and event ordering. All UUIDs are generated with cryptographically secure randomness and never leave your browser.

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