📜 XSD Generator & Validator

Generate XML Schema from XML, or validate XML against XSD.

XML Input

XML to Validate

XSD Schema

📌 Embed This Tool

Add the XSD Generator & Validator to your website for free. Just copy and paste the code below.

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    title="XSD Generator & Validator | ToolStand"
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📋 When to Use the XSD Generator & Validator

The XSD Generator & Validator is essential for developers working with XML data exchange, web services, and configuration files. Use it when you need to create schema definitions from existing XML documents, validate XML payloads against contract definitions, or quickly understand the structure of unfamiliar XML data. It's perfect for API integration work, ETL pipeline development, and enforcing XML data contracts across teams. No uploads needed — everything processes locally in your browser.

⚙️ How the XSD Generator & Validator Works

The XSD Generator & Validator uses the browser's native DOMParser to parse XML and generate schema definitions entirely on your device. In Generate mode, it recursively analyzes the XML tree: elements with child elements become complexTypes with sequences, text-only elements get inferred types (string, decimal, boolean, or integer), and attributes are extracted into xs:attribute definitions. In Validate mode, both XML and XSD are parsed and compared structurally — element names, nesting, attributes, and cardinality are checked against the schema. Your data never leaves your browser.

How to Use the XSD Generator & Validator

Paste your XML — Drop any XML content into the input area in the Generate tab. A sample book catalog XML is pre-loaded.
Click Generate XSD — The tool analyzes element nesting, attributes, and data types to produce a complete XSD schema with complexTypes and sequences.
Switch to Validate tab — Paste your XML and corresponding XSD schema. Click Validate XML to check structural compliance.
Copy the output — Use the Copy button to grab the generated XSD or validation report for use in your project.

Frequently Asked Questions

What is XSD used for?

XSD (XML Schema Definition) defines the structure, content, and data types for XML documents. It's used to validate XML data in web services, ETL pipelines, configuration files, and data exchange formats.

Can I validate an XSD against my XML?

Yes! Switch to the Validate tab, paste your XML in the top textarea and your XSD schema in the bottom one. The validator checks element names, nesting, attributes, and data type compatibility.

How are data types inferred?

Text content is analyzed to infer types: if it parses as a number it becomes xs:decimal, if it's a boolean it becomes xs:boolean, if it's an integer it becomes xs:integer. Everything else defaults to xs:string.

Does the validator support xs:choice and xs:sequence?

The validator uses the browser's DOMParser to analyze XSD structure. It recognizes xs:sequence and xs:choice constraints and validates element order and alternatives accordingly.