Generatore di ULID

Genera ULID univoci e ordinabili per sistemi di identificazione robusti.

ULID Generator is loading, please wait seconds...
Share this tool:

ULID Generator - Create Sortable Unique Identifiers

In the digital world, the need for unique identifiers is everywhere. From database entries to transaction IDs, having a system that can generate unique and sortable identifiers is crucial. That's where the ULID Generator comes in. This tool offers a modern solution to the age-old problem of creating unique IDs, providing a robust alternative to traditional UUIDs.

What is a ULID?

A ULID, or Universally Unique Lexicographically Sortable Identifier, is a type of identifier that not only guarantees uniqueness but also maintains a chronological order. Unlike UUIDs, ULIDs are designed to be sortable, making them incredibly useful for a wide range of applications where order matters.

Key Features of the ULID Generator

Our ULID Generator is packed with features that make it the go-to tool for generating identifiers:

  • Random and Unique: Ensures that every ID generated is both random and unique.
  • Sortable: ULIDs maintain a lexical order, which means they can be sorted in a way that reflects the order of creation.
  • Format Options: Choose between JSON or Raw format for your IDs, depending on your application's needs.
  • Easy to Use: Simply select the quantity, choose your format, and copy the ULID to your clipboard with a single click.
  • Secure: Runs directly in your browser, ensuring that no data is sent to the server and your information remains private.

How to Use the ULID Generator

Generating ULIDs with our tool is straightforward and hassle-free:

  1. Select Quantity: Decide how many ULIDs you need for your project.
  2. Choose Format: Pick between JSON or Raw format based on your requirements.
  3. Generate: Hit the refresh button to generate a new ULID.
  4. Copy: Use the copy function to save the ULID directly to your clipboard.

It's that simple! In just a few clicks, you have a unique, sortable identifier ready for use.

Applications of ULIDs

ULIDs can be incredibly versatile, finding applications in various fields:

  • Databases: Use ULIDs as primary keys for database entries to ensure uniqueness and maintain order.
  • Transaction IDs: Generate transaction IDs for e-commerce platforms, where tracking the order of transactions is vital.
  • Event Logging: In event logging systems, ULIDs can help sort logs chronologically, making it easier to trace events.
  • Distributed Systems: ULIDs are perfect for systems where data is spread across multiple servers, as they ensure global uniqueness and sortability.

The ability to sort IDs can significantly enhance the performance and reliability of your systems, making ULIDs an excellent choice for modern applications.

Benefits of Using ULIDs Over UUIDs

While UUIDs are widely used, ULIDs offer several advantages that make them a preferable choice in many scenarios:

  • Sortability: Unlike UUIDs, ULIDs are lexicographically sortable, which can be crucial for performance and organization.
  • Readability: ULIDs are more compact and easier to read compared to traditional UUIDs.
  • Timestamped: The first part of a ULID is a timestamp, providing useful information about when the ID was generated.

These features make ULIDs particularly suited to applications where order and readability are important factors.

Enhancing Your Applications with ULIDs

Incorporating ULIDs into your applications can lead to significant improvements in efficiency and organization. Their unique combination of randomness, uniqueness, and sortability makes them an excellent choice for a wide range of use cases, from database management to system logging.


The ULID Generator offers a powerful and user-friendly solution for generating unique and sortable identifiers. Whether you're a developer working on a complex system or a designer in need of a reliable ID scheme, this tool provides the functionality you need with the simplicity and security you want.

Start using the ULID Generator today and take the first step towards a more organized, efficient, and modern approach to unique identifiers.

For more information on ULIDs and their advantages, consider these resources:

  • Learn more about the importance of unique identifiers in digital systems: UUID - wikipedia
  • Understand the differences between ULIDs and UUIDs and why sortability matters: UUID vs ULID - medium
  • Explore the technical specifications of ULIDs: github

These resources will provide you with a deeper understanding of how ULIDs can enhance your digital projects and systems.