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Description
Compare JSON API responses across Dev, QA, and Prod from a browser popup. API Response Comparator helps developers and QA teams compare JSON API responses across Dev, QA, and Prod directly from a browser popup. Paste JSON, upload response files, fetch HTTPS API URLs, or import safe cURL commands, then inspect added, removed, changed, and type-changed fields. The first populated environment in Dev, QA, Prod order becomes the baseline. Any two environments are enough, so you can compare Dev vs QA, QA vs Prod, or all three together. Features include: - Manual JSON paste, format, upload, and clear controls - Direct HTTPS URL fetch comparison - Safe cURL parsing with structured browser fetch execution - Ignore leaf fields and volatility-based ignore suggestions - Contract-change alerts - Count filters and path search - Table and color-coded JSON tree views - Copy, JSON download, and Excel-compatible export - Full reset with in-flight request cancellation - Light and dark themes The extension runs locally in the browser. It does not include analytics, ads, tracking, or a remote backend.