CSV to JSON Converter
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Jsonic's CSV to JSON converter transforms CSV data into a JSON array of objects. The first row is treated as column headers. Numeric strings are automatically coerced to JSON numbers. Quoted fields containing commas or line breaks are handled correctly. Each row becomes one JSON object. The result can be copied or downloaded.
How to convert CSV to JSON
- Paste your CSV into the left panel, or load a file.
- The first row is treated as column headers.
- Click Convert to generate a JSON array.
- Each CSV row becomes one JSON object.
- Click Copy or Download to save the result.
FAQ
Does the first row need to be headers?
Yes. The first row is treated as column names and becomes the JSON keys.
Are numbers and booleans auto-detected?
Yes. Values that look like numbers (integers or decimals) are converted to number type. "true" and "false" (case-insensitive) become boolean.
How are quoted fields handled?
Fields wrapped in double quotes are supported, including values that contain commas or newlines inside the quotes.
What delimiter does this support?
Standard comma (,) delimiter. Tab-separated files are not currently supported.
Is my data uploaded?
No. Conversion runs entirely in your browser.
Can I download the JSON output?
Yes. Click Download to save the result as a .json file.
What if some rows have missing values?
Missing values (empty cells) are included as empty strings in the output. They are not omitted.