Generate CUID2 & KSUID Database Identifiers
Create collision-resistant horizontal database keys using CUID2 and Segment K-Sortable KSUIDs.
About This Tool
CUID2 and KSUID are modern identification standards designed for distributed databases, horizontal scalability, and high-concurrency systems where sequential auto-increment IDs cause security leaks or bottlenecks.
Key Features
CUID2 and KSUID generation
Collision-resistant horizontal design
Batch generation support
Ideal for Prisma and PostgreSQL
How to Use This Tool
- Choose your identifier type: CUID2 (24-char) or KSUID (27-char).
- Select batch quantity and length controls.
- Click 'Generate' to export clean primary keys for your database models.
Why Use This Tool
- Designed specifically for modern ORMs like Prisma, Drizzle, and TypeORM.
- Prevents enumeration attacks while maintaining high insertion performance.
Pro Tips
- CUID2 is the recommended default ID format for Prisma ORM
Frequently Asked Questions
What is KSUID?
KSUID (K-Sortable Unique Identifier) is a 27-character identifier developed by Segment that combines a 32-bit timestamp with 128 bits of randomness.