How do I convert CSV to JSON?

Upload your CSV file using the box above, confirm JSON as the output format, then select Convert. The converted file is ready to download as soon as processing finishes — usually in a few seconds.

Is converting CSV to JSON free?

Yes, and there is nothing to sign up for. Every conversion is free, there is no paid tier, and the limits are the same for everyone.

Will the quality change when converting to JSON?

Both formats store data losslessly, so the conversion preserves the original quality exactly.

What happens to my file afterwards?

The uploaded file is deleted as soon as the conversion completes, and the converted file is removed automatically once its retention window ends. Download links are signed and expire within minutes.

csvjson

Convert CSV to JSON

Free online converter for CSV files. Structured data interchange format. Nothing to install, no watermark, and every file is deleted automatically.

Drag and drop your files

Upload a CSV file to convert it to JSON. Up to 200 files at once, 10 GB each.

Free · up to 200 files · 10 GB each · files deleted automatically after 168 hours.

About CSV and JSON

CSV

Delimiter-separated tabular data.

text/csv

JSON

Structured data interchange format.

application/json

Other CSV conversions

csv to xlsx
csv to pdf
csv to ods

Other ways to get JSON

xlsx to json