CSV to JSON Converter
Turn CSV data into clean JSON — quoted commas handled, download included.
The CSV to JSON Converter parses comma-separated data — including quoted fields with commas — into a JSON array of objects using the first row as headers. Copy the result or download it as a .json file in one click. Perfect for preparing spreadsheet exports for APIs and apps, processed privately in your browser.
How to use the CSV to JSON Converter
- Paste your CSV data into the box — the first row is treated as column headers.
- Click Convert to JSON to see the data as a formatted JSON array of objects.
- Use Copy JSON to copy it, Download .json to save a file, or Clear to reset.
CSV to JSON Converter — FAQs
Is the CSV to JSON converter free?
Yes, completely free with no signup and no limits. Convert as many CSV datasets as you like, any time, directly in your browser, with no file uploads needed and no row limits to worry about.
How does it handle commas inside fields?
Fields wrapped in double quotes may contain commas, quotes and even line breaks — the parser follows standard CSV rules, including doubled quotes for a literal quote character. For example, "Sara, Jr." stays one field.
Is my data uploaded anywhere?
No. Parsing and conversion run entirely in your browser with JavaScript, and the download is generated locally as a Blob file. Your data never leaves your device at any point during the process end to end.
What if a row has fewer columns than the header?
Missing cells are filled with empty strings so every object has the same keys. Extra cells beyond the header count are kept under generated column names so no data is ever silently dropped or lost.