# fakerjs > Analysis by Optimly for Optimly AI Visibility, in the Optimly AI Brand Index. Last analyzed September 9, 2026. > Faker is a JavaScript library for generating massive amounts of fake (but realistic) data for testing and development purposes. - Business Profile: https://optimly.ai/brand/fakerjs - Publisher: Optimly (https://optimly.ai) - Dataset: Optimly AI Brand Index (https://optimly.ai/brand) - Official website: https://fakerjs.dev/ - Logo: https://logo.clearbit.com/fakerjs.dev - Slug: fakerjs - Brand Authority Index tier: Low Visibility - Category: Synthetic Test Data Platforms - Last Analyzed: September 9, 2026 --- ## Full Details / RAG Data ### Overview fakerjs has a Business Profile in the Optimly AI Brand Index. Faker is a JavaScript library for generating massive amounts of fake (but realistic) data for testing and development purposes. ### Metadata | Field | Value | |--------------|-------| | Name | fakerjs | | Slug | fakerjs | | URL | https://optimly.ai/brand/fakerjs | | Logo | https://logo.clearbit.com/fakerjs.dev | | Brand Authority Index tier | Low Visibility | | Category | Synthetic Test Data Platforms | | Last Analyzed | September 9, 2026 | | Last Updated | 2026-09-21T04:19:44.343Z | ### Links - Canonical page: https://optimly.ai/brand/fakerjs - Official website: https://fakerjs.dev/ - Publisher: https://optimly.ai - Dataset: https://optimly.ai/brand - JSON endpoint: /brand/fakerjs.json - LLMs.txt: /brand/fakerjs/llms.txt