Developer Builds Browser-Based JSON Formatter to Keep Data Private

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A developer created a privacy-focused JSON formatting and validation tool called FormatJSON.dev after growing concerned about pasting sensitive API data into third-party websites. The tool runs entirely within the user's browser, meaning no data is sent to or processed by any external server. It is designed to be simple and fast, with no advertisements and no backend infrastructure. The project addresses a common developer concern about data privacy when using online formatting utilities.

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