ULID Generator

Generate Universally Unique Lexicographically Sortable Identifiers (ULIDs)

How to Use

ULID Generator Guide

A ULID (Universally Unique Lexicographically Sortable Identifier) is a 26-character string that combines:

  • A timestamp (first 10 characters)
  • A random string (last 16 characters)

Features:

  • Time-ordered: Can be sorted by creation time
  • Case-insensitive
  • URL-safe characters
  • 128-bit compatibility with UUID
  • No special characters (hyphens)

Common use cases:

  • Database IDs
  • Distributed systems
  • Event tracking
  • Log entries