Free NanoID 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

Custom Alphabet (Optional)

Default: URL-friendly characters

Seed (Optional)

Reproducible generation (Experimental)

Uppercase

Results (0)

Ready to generate

Select options and click Generate

How to use NanoID Generator

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

What is a NanoID?

Tiny, secure, URL-friendly, unique string ID generator.

How to use this generator

Choose the quantity of IDs you need.
The generator will automatically create unique NanoIDs.
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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