Last updated: April 13, 2026
UUID Generator for TypeScript Developers
Quick Answer
DevToolHQ's uuid generator works great alongside TypeScript. Use it to quickly uuid generator during development, then integrate the pattern into your TypeScript codebase using the code example below.
Use Cases in TypeScript
- 1.Generate unique primary keys for database records
- 2.Create idempotency keys for API requests
- 3.Assign unique request IDs for distributed tracing
- 4.Generate unique filenames for uploads
TypeScript Code Example
import { randomUUID } from 'crypto';
// Type-safe UUID generator
type UUID = `${string}-${string}-${string}-${string}-${string}`;
function generateId(): UUID {
return randomUUID() as UUID;
}
// Branded type for type safety
declare const _brand: unique symbol;
type UserId = string & { readonly [_brand]: 'UserId' };
function makeUserId(): UserId { return randomUUID() as UserId; }
// UUID validation type guard
function isUUID(value: string): value is UUID {
return /^[0-9a-f]{8}-([0-9a-f]{4}-){3}[0-9a-f]{12}$/i.test(value);
}Try the tool directly
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Frequently Asked Questions
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