JSON to CSV – Convert JSON Array to CSV Online Free
Convert JSON array of objects to CSV format. Flatten nested structures and choose columns.
Converted output will appear here
Convert JSON array to CSV online free. Flatten nested objects, custom delimiter. Perfect for Excel and data analysis.
JSON to CSV – Online Converter
Convert a JSON array of objects into a CSV file that can be opened in Excel, Google Sheets, or any data analysis tool.
Example Conversion
// Input JSON
[
{"name": "Alice", "age": 30, "city": "Boston"},
{"name": "Bob", "age": 25, "city": "New York"}
]// Output CSV
name,age,city
Alice,30,Boston
Bob,25,New YorkAdvanced Options
- Flatten nested objects – e.g., "address.street"
- Delimiter – comma, semicolon, tab, pipe
- Quote all fields – RFC 4180 compliance
- Include headers – first row as column names
- Null handling – empty string or "NULL"
Use Cases
- Export API responses to Excel for reporting
- Convert JSON logs to structured CSV for analysis
- Migrate data from NoSQL to relational databases
Frequently Asked Questions
Everything you need to know about this tool
FAQs
JSON to CSV conversion is the process of transforming structured JSON (JavaScript Object Notation) data into CSV (Comma-Separated Values) format. This is commonly used for exporting data into spreadsheet applications like Excel or Google Sheets for analysis and reporting.
Yes, most online JSON to CSV converter tools are completely free and allow unlimited conversions for normal usage without requiring any registration.
Typically, the converter expects an array of objects where each object represents a row and each key represents a column. If the structure is different, many tools can automatically normalize or flatten the data.
Nested objects are flattened using dot notation. For example, a nested key like address.city becomes "address.city" in the CSV column header.
Yes, most converters allow you to manually select specific fields or columns to include in the CSV output, giving you full control over the exported data.
Yes, you can choose different delimiters such as comma (,), semicolon (;), tab (\t), or pipe (|) depending on your requirements.
Most tools support JSON files up to 10 MB or more, depending on system capabilities and performance optimization.
Yes, you can paste raw JSON data directly into the tool and instantly convert it into CSV format.
Yes, advanced tools support large datasets and may use streaming techniques to handle big files efficiently without memory issues.
Yes, CSV output usually includes column headers derived from JSON keys, but you can also customize or disable headers if needed.
Null or missing values can be represented as empty cells, the word NULL, or a custom value based on your configuration.
Yes, arrays inside objects can either be flattened, joined as strings, or expanded into multiple rows depending on tool settings.
Yes, most tools ensure security by processing data locally in your browser or automatically deleting uploaded files after processing.
Yes, after conversion, you can download the CSV file instantly or copy it to your clipboard.
Yes, UTF-8 encoding is supported by default, ensuring compatibility with international characters and symbols.
Yes, the generated CSV files are fully compatible with Microsoft Excel, Google Sheets, and other spreadsheet tools.
Yes, numeric values remain numbers and boolean values are converted to true/false strings in CSV format.
Yes, nested structures are flattened using dot notation or custom separators for better readability in CSV format.
Yes, some tools allow batch conversion where multiple JSON files can be converted into separate CSV files.
Yes, you can reorder columns manually before exporting the CSV file.
Yes, most tools provide a preview feature so you can verify the output before saving it.
Yes, JSON to CSV converters are usually responsive and work on mobile, tablet, and desktop devices.
All modern browsers such as Chrome, Firefox, Safari, and Edge are supported.
Yes, CSV format is widely used for data analysis, making it easy to import into tools like Excel, Power BI, or Python pandas.
Yes, you can configure whether fields are quoted and which quote character to use, such as double quotes.
The converter will merge all keys and fill missing values with empty cells or defaults.
Yes, you can paste API response JSON directly into the tool and convert it into CSV format.
Partially. While CSV can be converted back to JSON, some structure or hierarchy may be lost.
Yes, special characters are handled correctly using proper escaping and encoding.
Common use cases include exporting API data, preparing datasets for analysis, generating reports, and sharing structured data in a simple tabular format.
Tags
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