XPath Tester
Runs an XPath 2.0/3.0 query against an XML document and shows matching nodes, useful for XSLT and XML config debugging.
What XPath Tester does
XPath Tester is a browser-based tool that validates and formats XPath expressions against user-provided XML data. Users input an XML structure into one pane and write their desired query in another, and the tool processes the request to identify and display all nodes that successfully match the specified criteria. This provides visual confirmation of the selection process, making it useful for debugging XSLT transformations and complex XML configurations. The interface separates the raw XML input from the query logic, allowing developers to see exactly which elements are returned by their expression.
How to use the FreeFormatter XPath Tester
- 1
Open the XPath Tester on FreeFormatter and paste your XML data into the left pane.
- 2
Enter your XPath query into the right pane, using XPath 2.0 or 3.0 syntax.
- 3
Click the 'Test XPath' button to execute the query against your XML.
- 4
Review the list of matching nodes displayed in the output area below the panes.
- 5
Use the formatted results to debug or refine your transformation logic.
Best for
Developers and data analysts working with XSLT or XML configurations who need to validate query syntax and visually confirm which nodes are selected by an expression.
Limitations
- Requires valid XML input to function; empty or malformed data will not produce results.
- No explicit mention of unit conversion or advanced axis navigation beyond standard XPath support.
- Results are dependent on the specific XML structure provided in the test pane.
XPath Tester FAQ
- Can I test XPath expressions without providing XML data?
- No, the tool requires you to paste an XML structure into the left pane before it can evaluate any query against that data set.
- Does the tool support XPath 1.0 or only newer versions?
- The tool executes XPath queries using modern syntax standards like XPath 2.0 and 3.0, so older 1.0 expressions may not be fully supported.
- What happens if my XPath query has a syntax error?
- The tool will identify and display errors in the query, helping you locate and fix syntax issues before using the expression in production code.
- Can I use this tool to debug XSLT transformations?
- Yes, the tool is specifically useful for debugging XSLT transformations and complex XML configurations by showing which nodes match a given XPath expression.
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