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UUID Generator
Generate UUID v4 and v7 identifiers in bulk, offline.
About this tool
Generate one or thousands of UUIDs at once using your browser's cryptographic random number generator. Version 4 gives fully random UUIDs; version 7 produces time-ordered UUIDs that sort naturally in databases and logs. Formatting options cover uppercase, braces and hyphens, and everything can be copied or downloaded as a text file.
- Seed test databases with realistic identifiers
- Create sortable primary keys with UUID v7
- Generate request IDs for log correlation
- Produce bulk IDs for fixtures and spreadsheets