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Convert JavaScript object and configuration data into valid JSON directly in your browser.
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JavaScript to JSON Converter is a free browser-based tool for converting JavaScript object and configuration-style data into valid JSON. The conversion is performed locally in your browser without executing the supplied JavaScript program.
It converts JavaScript object and configuration-style data into valid JSON without executing the supplied JavaScript.
No. JSON is a data format and cannot represent JavaScript functions, executable statements, undefined values, or other JavaScript-specific constructs. This tool is intended for JavaScript object and data-like structures.
No. The tool processes the supplied source text and does not execute it.
The conversion is performed directly in your browser by the tool's JavaScript.
Yes. Enable the Format JSON option to generate readable, indented JSON output.
Yes. Use the Download button to save the converted data as a JSON file.