Free CUID2 Generator | Secure & Unique IDs

ID Generator

Generate cryptographically strong UUIDs, ULIDs, NanoIDs, CUIDs, and ObjectIds. Now with validation support.

Configuration

ID Type

Quantity: 10

Length: 21

Seed (Optional)

Reproducible generation (Experimental)

Uppercase

Results (0)

Ready to generate

Select options and click Generate

How to use CUID2 Generator

Need a unique identifier? Our CUID2 generator creates cryptographically strong IDs that you can use in your database, API, or frontend application.

What is a CUID2?

Secure, collision-resistant id optimized for horizontal scaling.

How to use this generator

Choose the quantity of IDs you need.
The generator will automatically create unique CUID2s.
Click "Copy All" or copy individual IDs to your clipboard.

All generation happens locally in your browser, ensuring that the IDs never stay on our servers.

💡 Did you know? You can bookmark this tool for offline access in some browsers.

Last Verified: February 2026

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