If your CSV files are small ( < 10M ) and simple, you may try convert CSV to JSON online: /data-convert/csv-to-json.html.
Otherwise, you can convert CSV to JSON offline (locally):Sometimes you need to convert CSV to JSON, you can use Withdata DataFileConverter as CSV to JSON Converter (Transferor / Transformer).
Works GREAT in 2025.
Support Windows, Linux, and macOS.
Can run in GUI mode, Step by Step, just a few mouse clicks.
Can run in CLI (Command Line Interface), for Scheduled Tasks and Streams, for Automation.
After converting CSV to JSON in GUI, and Saving "CSV to JSON" session, then you can:
After converting CSV to JSON in Command Line, then you can schedule and automate "CSV to JSON" conversion task by: