XML Formatter

Format XML markup into readable nested output in your browser.

Input
Output
0 characters 0 lines

What does XML Formatter do?

XML Formatter formats XML markup with readable indentation and nested structure.

  • Primary use: XML Formatter formats XML markup with readable indentation and nested structure.
  • Key technical fact: XML documents use elements, attributes, text nodes, and a single document root element.
  • Practical check: Run the formatted or minified output through your parser, tests, or runtime when exact syntax behavior matters.
Topic Direct answer Source
Direct answer XML Formatter formats XML markup with readable indentation and nested structure. W3C XML 1.0
Key fact XML documents use elements, attributes, text nodes, and a single document root element. W3C XML 1.0
Processing model Runs locally in the browser; no production Node server receives the input. Browser JavaScript

Indent XML while preserving markup structure

XML Formatter makes compact XML easier to inspect by adding line breaks and indentation around nested elements. It is useful for SOAP payloads, feeds, configuration files, sitemap fragments, and exported data.

XML is more whitespace-sensitive than JSON: attributes, text nodes, CDATA, processing instructions, and mixed content can all matter. Use the formatted output as a readability aid and verify documents that rely on exact text spacing.

How to use

  1. Paste your XML data into the input editor.
  2. Click Format XML to indent the markup.
  3. Review the formatted XML for the expected root element, attributes, and nested text.
  4. Use Copy for the clipboard, Download for a file, or Clear to reset.

What is XML Formatter?

XML Formatter is a browser-based utility for making XML documents easier to read without manually reflowing tags. It highlights hierarchy by placing child elements under their parent elements.

A well-formed XML document normally has one root element and correctly nested tags. Formatting cannot safely guess missing closing tags or repair invalid markup, so syntax errors should be fixed at the source.

Input notes

Paste only XML content. Remove transport wrappers, log prefixes, or Markdown fences first. Be careful with mixed-content XML, where added line breaks between text and child elements may be meaningful.

Example

A compact XML fragment becomes easier to read when each child element is placed on its own line:

--- Minified Input ---
John30

--- Formatted Output ---

  John
  30

MCP integration

MCP (Model Context Protocol) lets AI agents and apps discover and run Coding.Tools utilities for repeatable conversions, formatting, hashing, and generation workflows.

MCP tool name: xml-formatter

MCP endpoint: https://coding.tools/mcp

Call tools/list first. Each tool entry includes inputSchema, outputSchema, and examples so an AI agent or client can build valid arguments without guessing.

For tools/call, read result.content[0].text for the display value and result.structuredContent for machine parsing. Tool-level failures return isError: true; protocol failures return a JSON-RPC error.

Example tools/call request:

curl -s https://coding.tools/mcp \
  -H "Content-Type: application/json" \
  -H "Accept: application/json" \
  -H "MCP-Protocol-Version: 2025-06-18" \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"xml-formatter","arguments":{"input":"<invoice><id>1001</id><total>58.40</total></invoice>"}}}'

Most text and data tools accept an input string plus optional options. Browser-only image tools are listed for discovery and return a web UI link when they need browser image APIs.