# fakerjs

> Publicly sourced profile assembled by Optimly, in the Optimly AI Brand Index. Last refreshed 2026-10-04.

- **Business Profile:** https://optimly.ai/brand/fakerjs
- **Dataset:** https://optimly.ai/brand/fakerjs.json
- **Markdown:** https://optimly.ai/brand/fakerjs/llms.txt
- **Official website:** https://fakerjs.dev
- **Slug:** fakerjs
- **Categories:** developer-tools

## Overview

- **Tagline:** Provides a wide range of realistic data generation categories, extensive localization support with over 70 locales, and is freely available and community-driven.
Source: Brand's website (https://fakerjs.dev) · 2026-10-04

- **Description:** Faker is a JavaScript library for generating massive amounts of fake (but realistic) data for testing and development purposes.
Source: Brand's website (https://fakerjs.dev) · 2026-10-04

## Offerings

- **Core capabilities:**
  - A comprehensive JavaScript library offering functions to generate various types of realistic fake data including names
  - addresses
  - dates
  - financial information
  - commerce details
  - and localized content.
Source: Brand's website (https://fakerjs.dev) · 2026-10-04

- **Pricing:** Open-source, free under the MIT license, with optional community donations via Open Collective.
Source: Brand's website (https://fakerjs.dev) · 2026-10-04

## Audience

- **Target industry:** Software developers, QA engineers, data scientists, and anyone requiring synthetic data for unit testing, integration testing, database seeding, prototyping, and demonstration environments.
Source: Brand's website (https://fakerjs.dev) · 2026-10-04

Page last updated 2026-10-17.