Guide
CSV to JSON online
Convert CSV text into JSON objects using the first row as column names. Quoted fields, commas inside quoted values, and empty cells are handled in the browser.
developer tool
CSV to JSON
Convert CSV files or text into structured JSON data.
0 / 500,000 characters
How to use CSV to JSON
Paste CSV
Add CSV text with column names in the first row.
Convert to JSON
Parse the rows and create formatted JSON objects.
Copy or download
Copy the JSON result or download it as a .json file.
Common uses for CSV to JSON
- Converting spreadsheet exports
- Preparing API payloads
- Data import cleanup
- Transforming tabular samples
Why use this developer tool?
- Parse quoted CSV fields safely.
- Turn rows into structured JSON objects.
- Keep empty cells as empty string values.
- Process data locally in the browser.
CSV to JSON FAQ
Does the CSV parser support quoted commas?
Yes. Commas inside quoted fields are preserved as part of the value.
How are JSON object keys created?
The first CSV row is used as the list of column names.
What happens if a row has too many values?
The tool shows a validation error instead of creating mismatched JSON.