JSON to CSV Converter
Convert JSON arrays of objects to CSV format. All processing happens in your browser.
Preview (first 10 rows)
What is JSON to CSV Conversion?
JSON (JavaScript Object Notation) is a popular data interchange format used in APIs and web applications, while CSV (Comma-Separated Values) is widely used in spreadsheets and data analysis tools. Converting JSON to CSV allows you to work with structured API data in spreadsheet applications like Excel or Google Sheets. This tool handles the conversion entirely in your browser.
How to Use
- Paste your JSON array of objects into the input area, or upload a .json file.
- Choose your preferred delimiter and configure options.
- Enable Flatten nested objects if your JSON contains nested structures.
- View the CSV output and preview table.
- Copy or download the resulting CSV file.
Features
- Convert JSON arrays to CSV with one click
- Flatten nested objects (e.g., address.city becomes a column)
- Handle nested arrays by joining with semicolons
- Custom delimiter support (comma, semicolon, tab)
- Preview table showing first 10 rows
- Copy to clipboard and download as file
- 100% client-side processing
FAQ
What JSON format is supported?
The tool expects a JSON array of objects, like [{key:value}, ...]. Each object becomes a row in the CSV.
How are nested objects handled?
When "Flatten nested objects" is enabled, nested keys are joined with dots (e.g., address.city). Nested arrays are joined with semicolons.
Is my data safe?
Yes. All processing happens in your browser. No data is sent to any server.