XML validation and XSLT for Mac

Validate XML and run local XSLT 1.0 on Mac

XML Lens checks XML well-formedness and can validate a document against an XSD schema on macOS. XSLT Studio runs XSLT 1.0 locally and deliberately does not load remote imports, includes, document calls, external entities, or other remote stylesheet resources.

Catch structural and schema problems

Open or paste XML, inspect parse errors, and use the validation workspace before handing a document to another system. XSD validation uses a schema you select locally, so the document and schema remain within the desktop workflow.

  • Well-formedness feedback for malformed XML
  • XSD schema validation
  • Visible validation errors and success state
  • Local processing with no online validator upload

Transform with XSLT 1.0

XSLT Studio accepts an editable local stylesheet, shows the transformed output, and lets you open that output in the editor. The app’s implementation is XSLT 1.0; it does not promise newer XSLT versions or extension functions.

  • Open or edit a stylesheet locally
  • Transform the current XML document
  • Copy output or open it in the editor
  • Remote stylesheet resources are not loaded

Security and fidelity boundaries

Remote imports/includes, remote document calls, external entities, and remote resources are blocked to keep transformations private and predictable. Validate and review the output for your stylesheet and XML before shipping it.