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XML XPath Tester

Evaluate bounded XPath1 location paths against local XML and inspect scalar or node results.

✓ Browser-local processing

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How to use XML XPath Tester

Evaluate bounded XPath1 location paths against local XML and inspect scalar or node results. Supply a JSON prefix-to-namespace map when using namespaced elements. Node output is serialized as text, and no XML or linked content is mounted in the page.

  1. Provide the input and select the documented mode or options.
  2. Run the tool and review its result and any limits reported below.
  3. Copy the text result or download a separate output file.

Good to know

  • 100,000 XML characters;1,000 expression characters;1,000 nodes. DTDs, entity declarations and excessive XML depth are rejected.
  • Requires browser DOMParser/XPath1 APIs. Only location paths, numeric/attribute equality predicates and count/string/boolean wrappers; at most20 steps and two descendant separators. No external documents or extension functions.
  • Processing happens in this browser tab. Inputs and results are not automatically saved or uploaded.

Common questions

What does XML XPath Tester process?

Supply a JSON prefix-to-namespace map when using namespaced elements. Node output is serialized as text, and no XML or linked content is mounted in the page.

What happens to my original input?

The tool creates a separate result. Selected files and pasted data remain on this device; inspect the result before using it in another system.

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