CSV to JSON
Convert CSV spreadsheets to JSON arrays instantly. Free online CSV to JSON converter — first row becomes keys, numbers a
JSON will appear here...
How to Use CSV to JSON
- Paste your CSV: Paste CSV data with a header row into the input box, or load the sample with the Example button.
- Click Convert to JSON: Press the Convert to JSON button. The first row becomes keys; numbers are auto-detected.
- Copy the JSON: Copy the JSON array of objects for use in your application or database.
About CSV to JSON
CSV to JSON Converter parses CSV data and produces a JSON array of objects.
- Header Mapping: The first row becomes the JSON keys for every data row.
- Smart Typing: Numbers, booleans and null values are detected and typed automatically.
- Quoted Fields: Fields containing commas, quotes or newlines are parsed correctly.
Perfect for importing Excel/Google Sheets exports into web applications, databases and APIs.
Frequently Asked Questions
How does CSV to JSON conversion work?
The first row of your CSV becomes the JSON object keys. Each following row becomes an object, and numeric values are detected and converted automatically.
Does it handle quoted CSV fields?
Yes. Fields wrapped in double quotes with embedded commas, quotes or newlines are parsed correctly.
What happens with empty cells?
Empty cells are converted to empty strings, keeping the JSON structure clean and complete.