Online XSLT Formatter

Format and transform XML documents using XSLT stylesheets with this online tool

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4,532+

Total Calculations Run

< 15ms

Browser Execution Speed

100%

Client-Side Privacy

4.9 / 5.0

User Satisfaction

Worked Example & Common Values

Below is a sample worked calculation demonstrating how Online XSLT Formatter processes input data instantly inside your browser.

Sample Input Minified string: {"id":1,"status":"active","roles":["admin"]}

Computed Result

{
  "id": 1,
  "status": "active",
  "roles": [
    "admin"
  ]
}

Execution Mode Client-Side In-Browser JS

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About This Tool

This XSLT Formatter tool allows you to format XML and XSLT code for better readability and apply XSLT transformations to convert XML documents into HTML, text, or other XML formats. Simply paste your XML and XSLT code, adjust formatting options, and see the transformed result instantly. The tool includes syntax highlighting, error validation, and a clean, responsive interface.

Save your calculation history with a free account

How to Use

Paste your XML code in the left editor
Paste your XSLT code in the right editor
Adjust formatting options (indentation, line wrapping)
Click 'Format & Transform' to process
View the transformed result in the output panel
Use 'Clear All' to reset or 'Copy Result' to save output

Frequently Asked Questions

Find Quick Answers

What is XSLT?

XSLT (Extensible Stylesheet Language Transformations) is a language for transforming XML documents into other formats like HTML, text, or different XML structures.

Does this tool require an internet connection?

Yes, the tool runs in your browser but requires an internet connection to load the interface. All processing happens locally in JavaScript.

Can I transform large XML files?

The tool handles moderate-sized XML documents efficiently. Very large files may impact browser performance due to client-side processing limitations.

What browsers are supported?

All modern browsers with JavaScript enabled (Chrome, Firefox, Safari, Edge). The tool uses standard XSLTProcessor API available in most browsers.

Need to run multiple calculations?

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