About Us

JSON API Diff Tool is a free developer utility built for backend engineers, API testers, and DevOps professionals.

We focus on solving one single pain point: quickly identifying structural differences between two REST API JSON responses without uploading sensitive data to any remote server.

All JSON comparison logic runs locally inside your browser. We never store, collect, or transmit your JSON payloads to external servers, protecting your internal API data privacy.

This site is built and maintained by an independent full-stack developer focused on lightweight, ad-supported developer tools.