DataLensia is a privacy-first, browser-based data toolkit that lets you visualize CSV datasets and work with JSON/NDJSON using tools like a JSON comparator, schema generator, editor, and converter — all processed locally.



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DataLensia is a privacy-first, browser-based data toolkit that lets you visualize CSV datasets and work with JSON/NDJSON using tools like a JSON comparator, schema generator, editor, and converter — all processed locally.




JSONViewerTool is a free, browser-based suite of JSON utilities designed for developers, testers, and anyone working with APIs or structured data.



Free browser-based tools for PDF, image & data processing. 100% client-side - your files never leave your device. No limits, no watermarks.



