CSV to JSON Converter
Convert CSV data to JSON and back.
[
{
"name": "Ada",
"age": "36",
"city": "London"
},
{
"name": "Alan",
"age": "41",
"city": "Manchester"
}
]About CSV to JSON Converter
Convert CSV data into structured JSON that applications and APIs can consume. CSV is the common export format from spreadsheets and databases, but most code prefers JSON, and converting by hand is tedious and error-prone. Paste or upload your CSV and this tool turns each row into a JSON object using the header row as keys, giving you a clean array ready to copy into a project. It is a daily helper for developers importing data, seeding test fixtures, or wiring up a frontend to a dataset. The conversion runs locally in your browser, so your data is never uploaded, and the tool is free with no signup.
How to use this tool
- 1Paste CSV (with a header row) or JSON (an array of objects).
- 2Pick the conversion direction.
- 3Copy the converted output.
Frequently asked questions
How are commas inside values handled?
Standard CSV quoting is supported: values wrapped in double quotes can contain commas and escaped quotes.
What JSON shape does it expect?
An array of flat objects, e.g. [{"name":"A","age":1}]. Each object becomes a CSV row.