SecurityFree Tool

ULID Generator

Provided byIT Toolsit-tools.tech

Generates Universally Unique Lexicographically Sortable Identifiers (ULIDs), a sortable alternative to UUIDs based on...

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About this tool

What ULID Generator does

The ULID Generator creates Universally Unique Lexicographically Sortable Identifiers, a 26-character alternative to UUIDs that sorts by generation time. Each ID combines a timestamp with random components, ensuring global uniqueness while maintaining chronological order. Users receive a ready-to-use identifier that can be copied directly for database keys, API tokens, or file naming without additional processing.

Step by step

How to use the IT Tools ULID Generator

  1. 1

    Open the ULID Generator on IT Tools

  2. 2

    Click the generate button to produce a new ULID

  3. 3

    Copy the 26-character identifier displayed

  4. 4

    Paste the ID into your application, database, or project

Is it right for you

Best for

Developers and database administrators who need unique, time-ordered identifiers that avoid the randomness of UUIDs and simplify sorting and indexing.

Limitations

  • No unit switching between identifier formats
  • Results are estimates based on system clock and randomness
  • Page may contain advertisements or tracking elements
Questions

ULID Generator FAQ

How does a ULID differ from a UUID?
ULIDs are 26-character strings that sort lexicographically by timestamp, while UUIDs are 36-character hex strings with no inherent ordering. ULIDs combine a 48-bit timestamp with 80 bits of randomness for global uniqueness.
Can I generate multiple ULIDs at once?
The tool generates one ULID per click. Each identifier is unique and incorporates the current timestamp plus random components, so repeated clicks produce sequentially sortable IDs.
Are ULIDs compatible with existing systems?
ULIDs can replace UUIDs in most applications since they follow a standard format. The lexicographic sorting property makes them particularly suitable for database primary keys and time-series data organization.
Is there a limit to how many ULIDs I can generate?
The tool does not specify generation limits. As ULIDs combine timestamp and randomness, the probability of duplicates is negligible for typical application needs.
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