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ULID Generator

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Built: 4/8/2026, 12:01:12 PM

ULID Generator

Generate time-sortable ULIDs (Universally Unique Lexicographically Sortable Identifiers) — a modern, URL-safe alternative to UUID.

Count

LowercaseSplit timestamp|random

Decode / Parse a ULID

Paste a ULID to reveal its embedded timestamp and random bits.

About ULID

Format: 26 Crockford Base32 characters (128-bit)
First 10 chars: millisecond-precision timestamp (until the year 10889)
Last 16 chars: 80 bits of cryptographic randomness
Sortable: lexicographic sort = chronological order
URL-safe: no special characters, case-insensitive