UUID Generator

Identity

Generate unique UUIDs instantly with batch creation, validation, and version inspection.

Import

import { uuid } from 'toolmetry';

API Reference

Function	Parameters	Returns	Description
`uuid.v4`	`—`	`string`	Generate a v4 UUID
`uuid.v4Short`	`—`	`string`	Generate a v4 UUID without dashes
`uuid.v4Batch`	`count: number`	`string[]`	Generate multiple UUIDs at once
`uuid.isValid`	`input: string`	`boolean`	Validate a UUID string
`uuid.getVersion`	`input: string`	`number \| null`	Get UUID version number
`uuid.nil`	`—`	`string`	Generate a NIL UUID
`uuid.isNil`	`input: string`	`boolean`	Check if a UUID is NIL

Examples

Generate UUID

import { uuid } from 'toolmetry';

const id = uuid.v4();
// "550e8400-e29b-41d4-a716-446655440000"

const short = uuid.v4Short();
// "550e8400e29b41d4a716446655440000"

Batch Generation

import { uuid } from 'toolmetry';

const ids = uuid.v4Batch(5);
// ["uuid1", "uuid2", "uuid3", "uuid4", "uuid5"]

Validation & Version

import { uuid } from 'toolmetry';

uuid.isValid('550e8400-e29b-41d4-a716-446655440000'); // true
uuid.getVersion('550e8400-e29b-41d4-a716-446655440000'); // 4
uuid.isNil(uuid.nil()); // true

Try It Live

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