About ExtFoundry

What is ExtFoundry?

ExtFoundry is an independent digital product studio that designs and develops Chrome extensions, AI-powered tools, and web utilities for designers, developers, marketers, creators, and businesses.

What does ExtFoundry build?

ExtFoundry builds Chrome extensions and free, browser-based web utilities. Extensions are distributed through the Chrome Web Store; web utilities like the GPTBot Checker and Website Image Size Checker run directly at extfoundry.com, with no installation required.

Who are ExtFoundry products for?

ExtFoundry products are built for designers, developers, marketers, creators, and businesses who want a focused tool for a specific job — inspecting a website's design system, finding the fonts a page uses, checking whether AI crawlers can read a site, or cleaning up everyday browser workflows — without adopting a large, general-purpose platform.

What areas does ExtFoundry focus on?

Current focus areas include:

• Chrome Extensions
• AI Tools
• Developer Tools
• Design Tools
• Marketing Tools
• Productivity Tools
• Web Utilities
• AI Visibility & Website Analysis

Where can ExtFoundry products be found?

Most ExtFoundry extensions are published on the Chrome Web Store. Free web-based tools are hosted directly on extfoundry.com and require no account or installation. The full, current list of products is on the products page.