XML Tools

XML Validator

Paste XML to catch parser-level errors and review structure locally; well-formedness is not the same as XSD, DTD or business-rule validity.

XML source

—Root

—Elements

—Attributes

—Depth

ReadyChecks XML well-formedness with the browser XML parser. It does not validate an XSD, DTD business model, or remote schema.

XML diagnostics, namespaces & normalized copy

Go beyond a pass/fail parser result by listing namespace bindings and creating a normalized serialization for downstream comparison.

—Root element

0Namespace bindings

0Non-empty text nodes

0Maximum element depth

Prefix	Namespace URI

Well-formedness is parser-level validation only. XSD/DTD business rules are not silently treated as validated.

Well-formed XML is only the parser-level gate.

A well-formed document can still violate an XSD, DTD, API contract or business rule. Remote schemas are never fetched by this preflight.