The task of converting JSON to an Excel CSV file won’t take a long time. We suspect it can take less than a minute if you move fast enough and have the relevant knowledge.

JSON to Excel Converter CONVERSION TOOLS is a free online tool that lets you convert a JSON file into Microsoft Excel format. It has both free and paid plans for users.

How to convert an XLS file to CSV Let’s say you have the file clients.xlsx and you need it converted to clients.csv to be then uploaded as a client list in your new CRM tool.

That shouldn't be a problem, after all, Excel can handle JSON. So, you try to open the file in Excel using its data import tooling, which usually works very well indeed as a basic ETL system.