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How to Convert JSON to CSV, XML, or YAML
This converter transforms JSON data into CSV, XML, or YAML — and back again. Useful for data migration, API testing, and format compatibility.
- Paste your JSON (or CSV/XML/YAML) into the input editor.
- Select the target format from the output dropdown.
- Copy or download the converted result.
Understanding Data Format Conversion
JSON, CSV, XML, and YAML are all ways to represent structured data. JSON is the web standard for APIs. CSV is the spreadsheet standard for tabular data. XML is common in enterprise systems and SOAP APIs. YAML is the standard for configuration files (Docker, Kubernetes, CI/CD). Converting between them is a common developer task during data migration and integration.
Why Use Our JSON Converter?
- Four formats — JSON, CSV, XML, and YAML all supported bidirectionally.
- Smart CSV flattening — nested JSON objects are flattened into dot-notation columns.
- No data upload — conversion runs entirely in your browser.
- Download option — save the result as a file in the target format.
Frequently Asked Questions
How does nested JSON convert to CSV?
Nested objects are flattened using dot notation. For example, {user: {name: 'Alice'}} becomes a column 'user.name' with value 'Alice'.
Can I convert CSV back to JSON?
Yes. Paste CSV into the input, set the output format to JSON, and the tool will produce an array of objects using the header row as keys.
Is YAML output compatible with Kubernetes configs?
Yes. The output is standard YAML 1.2 that can be used directly in Kubernetes, Docker Compose, or any other YAML-based tool.
Is my data private?
Completely. No data is sent to a server. The conversion runs in your browser.