CSV ↔ JSON Converter
A free online tool for bi-directional conversion between CSV and JSON formats. Transform your tabular data to JSON for APIs, or convert JSON arrays back to CSV for spreadsheets and databases.
Supports custom delimiters, header row detection, nested JSON flattening, and multiple output formats including JSON arrays, JSON objects with custom keys, and minified output.
How to Use the CSV ↔ JSON Converter
- Select conversion direction: Choose whether you want to convert CSV to JSON or JSON to CSV using the toggle buttons.
- Enter your data: Paste your data directly into the input area or upload a .csv or .json file.
- Configure parsing options: Set the delimiter, quote character, and other parsing options for your source data.
- Set output format: Choose how you want your converted data structured and formatted.
- Convert and export: Click convert to process your data, then copy to clipboard or download the result.
Benefits of Using CSV ↔ JSON Converter
- API Data Preparation: Convert spreadsheet exports to JSON format ready for API consumption or database imports.
- Data Analysis: Transform JSON API responses into CSV for analysis in Excel, Google Sheets, or other spreadsheet tools.
- Flexible Formatting: Support for various delimiters, nested JSON flattening, and multiple output structures.
- Data Type Handling: Automatically parse numbers and booleans, or preserve all values as strings based on your needs.
- Privacy First: All processing happens locally in your browser. Your data never leaves your device.
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