Convert CSV data to JSON with custom delimiter and header options.
Copy and paste your CSV data into the input area.
Select the correct delimiter and toggle whether the first row contains headers.
The JSON output updates instantly. Click Copy to grab it.
A CSV to JSON converter turns spreadsheet-style rows and columns into structured JSON that applications can consume. The first CSV row becomes the field names, and every following row becomes a JSON object with those fields.
Paste CSV exported from Excel, Google Sheets, or a database, and get clean JSON out instantly. The converter handles quoted fields, commas inside values, and different delimiters. Conversion happens in your browser, so business data in your spreadsheets is never uploaded anywhere.
Spreadsheets are where data lives in most businesses, but modern APIs, databases, and JavaScript apps expect JSON. This converter is the bridge: export your sheet as CSV, paste it here, and get an array of objects ready to seed a database, feed an API request, or load into a front end.
The header row supplies the keys. A CSV with columns name, email, and age becomes objects like {"name": "Sara", "email": "[email protected]", "age": "29"}. Every row becomes one object, and the whole file becomes a JSON array you can iterate over in code.
Real CSV files contain commas inside quoted values, line breaks within cells, and sometimes semicolon or tab delimiters from European locales. The parser follows CSV quoting rules rather than naively splitting on commas, which is exactly where hand-written conversion scripts usually break.
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