I m building JsonExport, a JSON to Excel/CSV converter that runs entirely in the browser.
The main motivation was privacy and scale. I kept running into tools that required uploading sensitive logs or customer data, or that completely fell apart once nested JSON or larger files were involved.
I decided to go fully client-side using streaming parsers and Web Workers, which has worked surprisingly well so far, even with very large files.
I m curious. For those of you who work with messy or sensitive JSON: