CSV rows become JSON objects
The first CSV row becomes the field names. Each following row is exported as one JSON object.
CSV to JSON Converter
Upload CSV, preview rows, then download JSON. No login. No upload.
Free
No login
Local only
Visible columns
Private CSV to JSON converter
CSV to JSON Converter
Convert CSV files to JSON directly in your browser. Upload a CSV, check the parsed table, choose visible columns, and download a JSON array without sending your file to a server.
CSV rows to JSON objects
Encoding detection
Your data stays local
Upload CSV Open a local .csv file.
Preview first Check columns before download.
JSON output Download rows as a JSON array.
Check before downloading
Search rows and hide columns in the preview before exporting the JSON file.
No upload required
CSV parsing and JSON export run in your browser, so your data does not need to be sent to a cloud converter.
CSV to JSON FAQ
Can I convert CSV to JSON online?
Yes. Upload a CSV file, preview the parsed rows, then download JSON.
Is my CSV uploaded?
No. CSV parsing happens in your browser and is not uploaded to a server.
What JSON format is exported?
The tool exports a JSON array of objects. CSV headers become object keys.
Can I exclude columns?
Yes. Use Columns in the preview toolbar before downloading JSON.