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ULID Generator

Generate lexicographically sortable unique identifiers (ULID)

101KPW2CJ0S74V2S5MR5DN3N7ET

Timestamp: 2026-04-23 02:23:29.817 UTC

201KPW2CJ0SXF9J91H0ER5HV7HG

Timestamp: 2026-04-23 02:23:29.817 UTC

301KPW2CJ0S0Y8QCX51WY5NXKRH

Timestamp: 2026-04-23 02:23:29.817 UTC

401KPW2CJ0S2K1A5CWTMXJH6KD9

Timestamp: 2026-04-23 02:23:29.817 UTC

501KPW2CJ0S06V4W1DMCBQNPVMY

Timestamp: 2026-04-23 02:23:29.817 UTC

About ULIDs

26 characters, Crockford's Base32. 48-bit timestamp (ms) + 80-bit random. Lexicographically sortable.

About this tool

ULID (Universally Unique Lexicographically Sortable Identifier) is a modern UUID alternative — 26 characters, time-sortable, more readable. Supports bulk generation and timestamp decoding.

uliduuid唯一标识sortableidgenerator