Software Built on 25 Years of Experience

jpegg.dev creates reliable developer tools, backed by decades of real-world software development across Fortune 500 enterprises and indie products.

Featured Product

API Dev Studio

Beta - Launching Soon

The all-in-one local API development tool.

Mock APIs, receive webhooks, and proxy real APIs with a beautiful unified interface.

About

Founded by Jeff Pegg, a developer with over 25 years of professional experience building everything from enterprise systems for Fortune 500 clients to indie products like SidelineScout. jpegg.dev brings that depth of experience to developer tools.

Proven Experience

Decades of real-world development across enterprise and indie projects.

Full Stack Expertise

From databases to mobile apps, C# to TypeScript, backend to frontend.

Developer-First Tools

Built by a developer who understands what developers actually need.