UUID Generator

Generate v4 (random) and v5 (name-based) UUIDs instantly. Bulk-generate dozens at once, free and client-side.

Version

Count (5)

Namespace (v5)

Uppercase

Generated UUIDs

0 items · 0 chars

v4 uses cryptographic randomness; v5 produces the same UUID for the same name + namespace — ideal for deterministic IDs.

Get the ID strategy we use in real systems — ULID, NanoID, UUID trade-offs, and when NOT to use UUIDs in databases.

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