Skip to content
Controlled server processing

Free Online XML Validator

Validate XML syntax and optionally a self-contained XSD. External entities, XSD includes and imports are blocked. This tool processes bounded inputs on this server without retaining submitted content.

Inputs are sent to this server. Uploads are processed temporarily and not retained. Network diagnostics may query public resolvers or the destination website.

Result



How to use XML Validator
Validate XML syntax and optionally a self-contained XSD. External entities, XSD includes and imports are blocked. This tool processes bounded inputs on this server without retaining submitted content.
  1. Set Text.
  2. Set Schema.
  3. Run the tool, review the result and its stated limitations, then copy or download if needed.
Example & practical use
Validate XML syntax and optionally a self-contained XSD. External entities, XSD includes and imports are blocked. This tool processes bounded inputs on this server without retaining submitted content. The example below demonstrates Text; Schema.
Example input:
{
  "text": "<root><a>1</a></root>",
  "schema": ""
}
Expected result (relevant fields):
{
  "valid": true,
  "root": "root"
}
Features & result limitations
Validate XML syntax and optionally a self-contained XSD. External entities, XSD includes and imports are blocked. This tool processes bounded inputs on this server without retaining submitted content.
Frequently asked questions
What inputs does XML Validator accept?
Text; Schema
How should I interpret the XML Validator result?
Validate XML syntax and optionally a self-contained XSD. External entities, XSD includes and imports are blocked. This tool processes bounded inputs on this server without retaining submitted content.
Where does XML Validator process my data?
Inputs are processed on this server. Uploads use temporary files removed at request end. Public diagnostics contact the named resolvers or website. Private text is not stored in usage counters.