uuid VS ulid

Compare uuid vs ulid and see what are their differences.


Generate RFC-compliant UUIDs in JavaScript (by uuidjs)


Universally Unique Lexicographically Sortable Identifier (ULID) in Python 3 (by ahawker)
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uuid ulid
13 4
12,662 384
0.8% -
6.4 0.0
26 days ago about 1 year ago
JavaScript Python
MIT License Apache License 2.0
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.


Posts with mentions or reviews of uuid. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2022-03-15.


Posts with mentions or reviews of ulid. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2022-08-05.

What are some alternatives?

When comparing uuid and ulid you can also consider the following projects:

ksuid - K-Sortable Globally Unique IDs

python-ulid - ULID implementation for Python

ksuid - Java implementation of K-Sortable Globally Unique IDs

UUID - A PHP library for generating universally unique identifiers (UUIDs).

Redis - 🚀 A robust, performance-focused, and full-featured Redis client for Node.js.

simpleflake - Distributed ID generation in python for the lazy.

nanoid - A tiny (130 bytes), secure, URL-friendly, unique string ID generator for JavaScript

EXREX - Irregular methods on regular expressions

TypeORM - ORM for TypeScript and JavaScript (ES7, ES6, ES5). Supports MySQL, PostgreSQL, MariaDB, SQLite, MS SQL Server, Oracle, SAP Hana, WebSQL databases. Works in NodeJS, Browser, Ionic, Cordova and Electron platforms.

xeger - Library to generate random strings from regular expressions.

essential-generators - Dead Simple Document Generation