UUID Alternatives: ULID, NanoID, CUID, and Short UUID Compared
Compare UUID alternatives like ULID, NanoID, CUID, and short UUIDs. Learn when to use each and their trade-offs for unique ID generation.
How to Generate UUIDs in JavaScript, Python, Java, and Go
Code examples for generating UUIDs in every major programming language. Copy-paste snippets for JavaScript, Python, Java, Go, and more.
GUID vs UUID: What's the Difference? (2026 Guide)
Are GUID and UUID the same thing? Learn the key differences between GUID and UUID, when to use each, and why most developers use them interchangeably.
UUID as Database Primary Key: Best Practices
Should you use UUIDs as primary keys? Learn the trade-offs, performance implications, and best practices for UUIDs in PostgreSQL, MySQL, and more.
UUID Versions: V1 vs V4 vs V5 vs V7 Explained (2026)
UUID v4 vs v7: which version should you use? Complete guide to all UUID versions — v1, v3, v4, v5, v7 — with examples and database performance tips.
Need UUIDs?
Generate UUID v1, v4, v5, and v7 instantly — single or bulk, with formatting options.
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