XML to XSD Generator
Infer W3C XML Schema (XSD) definitions from XML instance documents with automatic type detection, cardinality analysis, and attribute handling - free and in-browser.
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What is XML to XSD Generator?
The XML to XSD Generator infers a W3C XML Schema from your XML instance documents: element types (integer, decimal, boolean, date, string), cardinality (minOccurs/maxOccurs), and attributes are detected from the data and emitted as a standard XSD file you can validate against.
Key Benefits
- Skip hand-writing XSD - get a working schema in one paste
- Type inference covers integers, decimals, booleans, and dates
- Cardinality detection handles repeated and optional elements
- Completely local - XML documents never leave your device
Common Use Cases
- •Creating validation schemas for legacy XML feeds
- •Documenting expected XML structure for API consumers
- •Generating schemas for B2B integration projects
- •Speeding up SOAP and configuration file contracts
- •Learning how XSD maps to real XML documents
Generate XSD from XML
- Paste your XML: Paste a representative XML instance document - the more examples of each element, the better the type inference.
- Review detected types: The tool maps every element to an XSD type: integers, decimals, booleans, dates, and strings are detected from the values.
- Check cardinality: Elements that repeat or are sometimes absent get maxOccurs unbounded and minOccurs 0 respectively.
- Copy the schema: Copy the generated XSD and save it as a .xsd file to validate future XML documents against it.
Key Features
- Type inference: integer, decimal, boolean, date, dateTime, and string
- Cardinality detection - minOccurs and maxOccurs from repeated or optional elements
- Attributes inferred with their own types from instance values
- Complex types with sequences and simpleContent extensions
- XML parse errors surfaced instead of silently producing broken XSD
- Entirely client-side - documents stay on your device