Bulk-generate UUID v4, time-ordered UUID v7, ULID, Nano ID, and short alphanumeric IDs.
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Format Reference
UUID v4
128-bit random identifier, RFC 4122 layout — version nibble 4, variant bits 10xx. 36 chars with hyphens.
UUID v7
48-bit Unix millisecond timestamp followed by randomness, so IDs sort chronologically as text. Great for database primary keys.
ULID
26 characters of Crockford base32 (no I, L, O, U): 10 chars of timestamp + 16 chars of randomness. Lexicographically sortable.
Nano ID
21 URL-safe characters from A–Za–z0–9_-. Compact, collision-resistant alternative to UUIDs.
Short alphanumeric
8 characters of unbiased A–Za–z0–9. Useful for share codes and slugs — not for high-volume unique keys.