SOAP Formatter
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SOAP traffic almost never arrives in a readable state. Captured requests and responses come off the wire as one continuous line, and the part you actually need — a fault code, a single field in the body, the contents of a security header — is buried in the middle of it. This SOAP formatter re-indents the envelope so its anatomy is obvious: the Envelope element, the optional Header, the Body, and any Fault within it, each at its proper depth with namespace prefixes preserved. Paste a captured request or response and read it as a structured document instead of a string. It is particularly useful when debugging an integration where one side reports an error and you need to see exactly what was sent or returned. Formatting is entirely client-side, which matters because SOAP headers routinely carry authentication tokens.
Features
- Indents SOAP envelopes so Header, Body, and Fault are clear
- Preserves soap: and custom namespace prefixes exactly
- Formats both requests and responses
- Makes Fault codes and reasons easy to locate
- Handles WS-Security and other header blocks
- Reports well-formedness errors with position
- Configurable indentation width
- Fully client-side — auth tokens are never uploaded
Why use this soap formatter?
- Turns captured wire traffic into a readable document
- Makes fault diagnosis much faster
- Keeps security headers and tokens on your machine
- Instant results with no server involvement
- Free with unlimited use
Frequently asked questions
What is a SOAP envelope?
It is the XML wrapper around every SOAP message. The Envelope element contains an optional Header for metadata such as authentication, and a mandatory Body carrying the request, response, or Fault.
How do I read a SOAP fault?
Format the response and look inside the Body for the Fault element. It contains the fault code and a human-readable reason, and often a detail element with service-specific information.
Is it safe to paste a SOAP message with credentials?
Yes. Formatting happens entirely in your browser — the envelope is never transmitted, stored, or logged. That matters because WS-Security headers often carry tokens.
Does formatting change the message?
No. Only whitespace between elements is adjusted. Namespace prefixes, attributes, and element content are preserved exactly.
Why will my envelope not format?
It is not well-formed XML. Captured traffic is often truncated mid-document, or includes HTTP headers above the envelope that need removing first.
What is the difference between this and the WSDL formatter?
A SOAP envelope is an individual message exchanged with a service. A WSDL is the document describing the service itself. Both are XML, but they are read for different reasons.