Developer Utilities
UUID & ULID generator
Generate UUID v4, time-ordered UUID v7 or ULIDs, in bulk, from a cryptographically secure source.
Time-ordered, RFC 9562. Sorts by creation time, keeps B-tree inserts sequential, and still carries 74 bits of randomness.
Generated locally with crypto.getRandomValues — a cryptographically secure source, not Math.random. Nothing is transmitted, so these are safe to use as real identifiers.
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