UUID Guides & Resources

Understand how UUIDs actually work, which version to use, and how to generate them in your language or database of choice.

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Latest Articles
Reference

UUID Versions Explained: v1 vs v4 vs v7 (Which Should You Use?)

How each UUID version is generated, what it leaks, and which one to pick for database keys, API IDs, and distributed systems.

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📅 September 2026 · 6 min read
Code Guide

How to Generate a UUID in JavaScript, Python, and SQL

Copy-paste UUID v4 generation code for JavaScript, Node.js, Python, PostgreSQL, MySQL, SQL Server and SQLite.

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📅 September 2026 · 5 min read