How does CSV to JSON conversion work?

The first row of your CSV becomes the JSON object keys (property names), and each subsequent row becomes a JSON object in an array.

Are data types preserved?

All values are converted as strings by default. You may need to parse numbers or booleans in your application after conversion.

Empty cells are converted to empty strings in the JSON output. You can process these as null values in your application if needed.

The tool handles CSV data of reasonable size in the browser. For very large files (>10MB), consider using a desktop application or command-line tool.

Converters

Convert CSV data to JSON format instantly. Transform spreadsheet data into structured JSON arrays and objects. Free online tool.

CSV Input

Convert JSON data to CSV format instantly. Transform JSON arrays and objects into spreadsheet-ready CSV files. Free online tool.

Convert CSV data to Markdown tables instantly. Paste your CSV and get a beautifully formatted Markdown table. Free online tool.