CSV to JSON Converter

Convert CSV data to JSON format instantly. Preview as table. Also supports JSON to CSV.

CSV Input

Delimiter

First row is header Trim whitespace

Output

How to use

Paste your CSV data into the input box, or click Load Sample to try an example.
Choose the delimiter that your CSV uses (comma, semicolon, tab, or pipe).
Check First row is header to use column names as JSON keys.
Click Convert to generate JSON. A table preview shows the first 10 rows.
Switch to JSON → CSV tab to reverse the conversion.
Copy the output or download it as a file.