Online XSLT Checker

A developer-focused tool to verify XSLT transformations by feeding XML and XSLT inputs and inspecting results and error messages.

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3,000+

Total Calculations Run

< 15ms

Browser Execution Speed

100%

Client-Side Privacy

4.9 / 5.0

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About This Tool

A browser-based validator that applies an XML input to an XSLT stylesheet to produce a transformed result and diagnostic output.
It validates well-formed XML and XSLT syntax, captures execution details, and reports line/column errors to guide fixes.
Users include developers, data engineers, QA teams, and integrators who need repeatable transformation verification during development, migration, or testing.
Conceptually, the tool parses XML and XSLT, applies templates, and emits a chosen output format (XML, HTML, or text) while reporting diagnostics and timing.

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How to Use

Provide inputs: supply the XML input string and the XSLT stylesheet string.
Optionally provide parameters and a base URI.
Run transformation to generate the transformed output.
Review the transformed output and the diagnostic log for correctness.
Export the result and logs for QA or CI.

Frequently Asked Questions

Find Quick Answers

What formats are supported for output?

The tool can emit XML, HTML, or plain text as the transformed output. You can select the desired format before or after processing and use the diagnostics to verify structural integrity.

Can I compare results with an expected output?

Yes; optional diffing compares the actual transformed_output to a provided reference value and reports deviations, enabling regression checks during development and CI workflows.

Does it support XSLT 2.0?

In a browser-based environment, support is primarily for standard XSLT 1.0 features; some XSLT 2.0 constructs may be limited. For full 2.0 capabilities, server-side engines are recommended.

Can I export results?

Yes; both the transformed output and diagnostic logs can be downloaded or copied, and you can export multiple results for CI integration.

Need to run multiple calculations?

Create a free account today to unlock unlimited daily runs, access advanced parameters, save your history, and request custom features.

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