Online ULID Generator - Generate Time-sortable Unique Identifiers (ULIDs)

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What is a ULID?

A ULID (Universally Unique Lexicographically Sortable Identifier) is a 26-character string that preserves roughly sortable order based on creation time. ULIDs are useful as database keys and identifiers in distributed systems where time-based ordering is desired.

How to Use

Click 'Generate New ULID' to create a single identifier

Use bulk generation to create many ULIDs at once (up to 1000)

Copy or download the generated list for use in your apps

Why ULIDs?

ULIDs are lexicographically sortable, compact, and URL-friendly. They combine a time component and randomness, making them good for indexed database keys and distributed systems.

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