For maximum flexibility, nothing beats a custom script. Python, with its robust libraries, is arguably the top "tool" for this job, specifically for JWS files containing JSON data.
If your JWS file comes from lab equipment (like a CD spectrometer), it is likely a binary format. Standard text converters will not work. jws to csv converter top
That’s where a becomes your best friend. In this post, I’ll explain what a JWS is, why you’d convert one to CSV, and—most importantly—how to pick the top tool for the job. For maximum flexibility, nothing beats a custom script