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WSDL Formatter & Validator

This free online tool allows you to format and beautify WSDL files instantly for better readability and debugging.

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Input

Output

What is WSDL?

WSDL (Web Services Description Language) is an XML-based language used to describe the functionality of web services, especially those that follow the SOAP (Simple Object Access Protocol) standard.

It acts like a contract between a service provider and a client, defining:

  • What operations the web service offers
  • What input and output messages are expected
  • Where the service is located (its endpoint URL)
  • How to communicate with the service (protocols like HTTP, SOAP, etc.)

What is a WSDL Formatter

A WSDL Formatter (also known as a WSDL beautifier or WSDL viewer) is an online tool that takes raw, minified, or unstructured WSDL (Web Services Description Language) data and converts it into a clean, indented, and human-readable format. This is especially useful for developers working with SOAP APIs and service integrations.

Key Features

  • Instant Formatting: Paste your WSDL and get a beautified version immediately.
  • Improves Readability: Proper indentation and line breaks make it easier to understand.
  • Secure & Online: No downloads or installations needed, format WSDL files right in your browser.
  • Free to Use: 100% free with no usage limits or hidden charges.

How to Use the WSDL Validator Tool

  • Enter WSDL Content: In the "Input" section at the top, paste your raw or unformatted WSDL or XML string.
  • Enable Auto Update: By default, the "Auto Update" checkbox is selected, which means the tool will automatically format your WSDL content as you type or paste it.
  • Click “WSDL Formatter” Button: If you want manual control, uncheck "Auto Update" and then click the “WSDL Formatter” button in the center to trigger the formatting.
  • View Formatted Output: The clean, beautified WSDL will appear in the "Output" section below.
  • Use Editor Tools: You can copy, clear, or expand the input/output areas using the buttons on the right side of each box.

Key Components of a WSDL File

  • Types: Defines data types used by the web service (usually via XML Schema).
  • Messages: Defines input and output messages.
  • PortType: Groups operations (like functions or methods) offered by the service.
  • Binding: Specifies the communication protocol (e.g., SOAP) and message format.
  • Service: Defines the endpoint (URL) where the web service can be accessed.

Frequently Asked Questions (FAQs)

Is this WSDL formatter free to use?

Yes, it’s completely free with no registration required.

Is my WSDL data secure?

Yes, all formatting is done in your browser. No data is stored or sent to a server.

Can I format large WSDL files?

Yes, the tool supports both small snippets and full-length WSDL documents.

What is WSDL used for?

WSDL stands for Web Services Description Language. It's an XML-based format for describing network services in a standardized way, primarily used with SOAP APIs.

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