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JSON Mapper

Paste two JSONs to auto-map and transform your data

JSON Mapper product image

Overview

JSON Mapper lets you map and transform JSON data between formats right in your browser. Paste example source and target JSONs to auto-generate links by matching paths, values, and keys, then refine them in a manual editor to build a reusable transformation map. Apply the map to real data, save outputs, and with a subscription, save and load maps. All processing stays client-side for privacy.

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