CUID2 Generator
Create secure, collision-resistant CUID2 identifiers in the browser with bulk generation and copy options.
Generate CUID2 identifiers
CUID2 is a modern, collision-resistant ID format designed for distributed databases and public APIs. Generate batches locally in your browser, then copy or download values in plain text, JSON, or comma-separated form.
Related: ULID Generator, NanoID Generator, and UUID Generator.
Frequently Asked Questions
How is CUID2 different from UUID?
CUID2 is shorter, URL-safe, and optimized for horizontal scaling without coordination servers.
Are IDs cryptographically random?
IDs use secure randomness from the browser via the official CUID2 library implementation.
Can I regenerate without changing the count?
Yes. Use the generate new batch button to refresh IDs while keeping the same quantity.
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