QuickFormatter.com

Best CSV to JSON Converter - Convert CSV to JSON Online

Our free CSV to JSON online converter transforms CSV data into hierarchical JSON format by converting rows and columns in a CSV file to JSON objects with properties.


Conversion Tool

Convert your data in 3 Easy Steps

Converting using our tool is simple:

  1. Copy and paste or upload your CSV data
  2. Click the "Convert" button
  3. Download the converted JSON file

Why Convert?

Here are some common reasons:

  • Import CSV data into JSON databases and applications
  • Add structure and meaning to tabular CSV data
  • Simplify analyzing CSV data using JSON libraries
  • Exchange data between CSV and JSON-based systems
  • Migrate CSV datasets to web APIs and microservices
  • Build hierarchical data API responses from flat CSV

Converting facilitates structured data exchange and web integration.


Key Benefits of Our Converter

  • Transforms any CSV file into structured JSON
  • User-friendly web interface requiring no software install
  • Download the converted JSON for offline usage
  • Handles large CSV files up to 1 GB in size
  • Flexible options for controlling the JSON output
  • Free to use with unlimited conversions

Mapping Structure

Our tool converts data to JSON as follows:
  • CSV headers become JSON property names
  • CSV rows become JSON objects with property values
  • Cells values get mapped to property values
  • Nested JSON objects for multi-column headers

Downloading the Converted JSON

After the conversion completes, the converted JSON data can be downloaded as a .json file. The JSON will contain:

  • Root JSON object encapsulating the array of rows
  • JSON objects for each CSV row
  • Property values populated from cell values

Advanced Usage and Options

Our converter tool also provides:

  • Control over the root JSON object name
  • Configuring property names generated from headers
  • Data type handling for numbers, booleans, etc.
  • Pretty print option for formatted JSON output

These options enable customizing the resulting JSON format as needed.