XML Tools
XML to JSON Converter Online Free
Convert XML to JSON online and inspect how elements, attributes and repeated nodes map to objects and arrays.
Structured data conversion guide
Convert XML to JSON without hiding XML semantics
XML can contain attributes, namespaces, mixed text and repeated elements that do not map uniquely to JSON. Conversion creates a practical representation, but it may simplify ordering, namespace information or mixed content. Review the mapping before using the result in an API or application.
Step-by-step
A reliable workflow
Paste well-formed XML.
Convert it to JSON.
Review attributes, repeated elements and namespaces.
Validate the JSON and compare representative records with the XML source.
Practical use cases
Legacy API migration
Inspect XML service responses in JSON form.
Data analysis
Convert hierarchical XML into objects and arrays.
Frontend integration
Prepare XML-origin data for JavaScript workflows.
Testing
Create JSON fixtures from stable XML examples.
Common mistakes
- ⚠Ignoring namespaces
- ⚠Assuming every repeated element becomes an array consistently
- ⚠Losing attributes during mapping
- ⚠Treating mixed-content XML as simple key-value data
Professional tips
- ✓Keep the original XML
- ✓Check attributes and text nodes separately
- ✓Review single-item and multi-item collections
- ✓Validate the converted JSON
Continue the workflow
Frequently asked questions
How are XML attributes represented in JSON?+
Converters commonly use a prefix or a dedicated attribute object, but conventions differ.
How are repeated elements handled?+
They are often converted to arrays, although a single occurrence may be represented differently.
What happens to namespaces?+
Namespace prefixes and URIs may be preserved, simplified or omitted depending on the mapping.
Can mixed XML content convert cleanly?+
Not always. Text interleaved with child elements requires a special representation.
Is the conversion lossless?+
Usually not. Formatting, comments, processing instructions and some ordering semantics can be lost.
Should the JSON be schema-validated?+
Yes, when the receiving application expects a defined contract.
Is my input uploaded to a server?+
These FormatForge tools process supported input in your browser. Still, remove passwords, tokens, personal data and confidential production values before using any online utility.
Can I use the tool on mobile?+
Yes. Large documents, deep nesting and side-by-side comparisons are usually easier on a desktop browser with more memory and screen space.
Should I use the result directly in production?+
Review the output, validate it with the target system and test it in a safe environment before using it in production code, APIs or deployments.
Why do very large files take longer?+
Parsing, rendering, comparing and reformatting structured documents use your device processor and memory. Reduce the sample size when possible.