CSV to JSON
Converter
Convert CSV rows into an array of JSON objects using the first row as property names. Quoted commas, line breaks, and escaped quotes are supported.
Your converted JSON
will appear here.
Maximum file size: 10 MB · Nothing is uploaded
From CSV to JSON
in three steps.
- 01
Add your CSV
Drop a file into the converter or paste your data directly into the input panel.
- 02
Convert locally
Press convert. Your browser handles the transformation without sending the file to us.
- 03
Copy or download
Review the result, copy it to your clipboard, or save it as a .json file.
Clean conversion.
No surprises.
- ✓The header row becomes the set of JSON property names.
- ✓Numbers, booleans, and null values are detected automatically.
- ✓Quoted values can contain commas, quotes, and line breaks.
CSV to JSON,
explained.
Does the first CSV row need headers?+
Yes. TidyFormat uses the first row as the property names for every JSON object.
Are numbers preserved as numbers?+
Yes. Clear numeric, boolean, and null values are converted to their matching JSON types.
Are my files uploaded?+
No. TidyFormat processes the conversion locally in your browser. Your input and output files are not sent to our servers.