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:
- Copy and paste or upload your CSV data
- Click the "Convert" button
- 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.