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XML File Merger

Merge multiple XML files into a single file with options for handling root elements and namespaces

Click to upload files or drag and drop files here

Maximum file size: 10MB Maximum files: 5
Supported formats: application/xml, text/xml, text/plain

Key Facts

Category
Data Processing
Input Types
file, select
Output Type
file
Sample Coverage
4
API Ready
Yes

Overview

The XML File Merger is a streamlined utility designed to combine multiple XML documents into a single, cohesive file while providing granular control over root elements, namespaces, and output formatting.

When to Use

  • •Consolidating fragmented data exports from multiple system logs or database dumps.
  • •Aggregating configuration files into a single master document for easier management.
  • •Preparing batch XML data for ingestion into applications that require a unified input source.

How It Works

  • •Upload your XML files using the file selector (up to 5 files).
  • •Select a merge strategy to define how root elements and child nodes are combined.
  • •Configure advanced settings like namespace preservation and output formatting.
  • •Download the merged XML file once the processing is complete.

Use Cases

Merging daily server log exports into a single weekly report file.
Combining localized language XML files into one master translation document.
Aggregating individual user profile exports into a single dataset for migration.

Examples

1. Consolidating System Logs

System Administrator
Background
The admin has 5 separate XML log files generated by different server nodes that need to be analyzed together.
Problem
Manually copying and pasting XML content is error-prone and risks breaking the document structure.
How to Use
Upload the 5 log files, select 'Combine Root' to keep them distinct, and choose 'Formatted XML' for readability.
Example Config
mergeStrategy: combine-root, handleRootElements: wrap, preserveNamespaces: yes, outputFormat: pretty
Outcome
A single, well-formatted XML file containing all log entries wrapped in a parent container for easy parsing.

2. Merging Configuration Files

Software Developer
Background
A project requires merging multiple module-specific configuration XMLs into one main application config.
Problem
The developer needs to merge children nodes into a single root without creating redundant root tags.
How to Use
Upload the configuration files and select 'Merge Children' to append all settings under the primary root.
Example Config
mergeStrategy: merge-children, handleRootElements: direct, preserveNamespaces: no, outputFormat: xml
Outcome
A clean, compact XML file containing all configuration parameters consolidated under one root element.

Try with Samples

xml, text, file
XML Samples
XML (eXtensible Markup Language) format examples from simple to complex structures
title token xml
xml, text
Web Data Serialization Rust Samples
Web Rust data serialization examples including JSON serialization, deserialization, and XML parsing
preferred input family xml,text
xml, text
Windows Serialization C++ Samples
Windows C++ data serialization examples including JSON serialization/deserialization and XML parsing
preferred input family xml,text
xml, text
Web Data Serialization Go Samples
Web Go data serialization examples including JSON encoding/decoding and XML parsing
preferred input family xml,text
xml, text

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FAQ

How many files can I merge at once?

You can upload and merge up to 5 XML files in a single session.

What is the difference between 'Combine Root' and 'Merge Children'?

Combine Root creates a new parent element containing all source roots, while Merge Children appends the contents of subsequent files under the first file's root element.

Can I preserve my original namespaces?

Yes, by selecting 'Yes' in the Preserve Namespaces option, the tool will maintain existing namespace declarations in the output.

What is the maximum file size allowed?

Each individual file must be under 10MB.

Does this tool support raw concatenation?

Yes, the 'Concatenate' strategy allows you to join files as raw XML strings without structural modification.

API Documentation

Request Endpoint

POST /en/api/tools/xml-merger

Request Parameters

Parameter Name Type Required Description
xmlFiles file (Upload required) Yes -
mergeStrategy select Yes -
handleRootElements select Yes -
preserveNamespaces select Yes -
outputFormat select Yes -

File type parameters need to be uploaded first via POST /upload/xml-merger to get filePath, then pass filePath to the corresponding file field.

Response Format

{
  "filePath": "/public/processing/randomid.ext",
  "fileName": "output.ext",
  "contentType": "application/octet-stream",
  "size": 1024,
  "metadata": {
    "key": "value"
  },
  "error": "Error message (optional)",
  "message": "Notification message (optional)"
}
File: File

AI MCP Documentation

Add this tool to your MCP server configuration: 

{
  "mcpServers": {
    "elysiatools-xml-merger": {
      "name": "xml-merger",
      "description": "Merge multiple XML files into a single file with options for handling root elements and namespaces",
      "baseUrl": "https://elysiatools.com/mcp/sse?toolId=xml-merger",
      "command": "",
      "args": [],
      "env": {},
      "isActive": true,
      "type": "sse"
    }
  }
}

You can chain multiple tools, e.g.: `https://elysiatools.com/mcp/sse?toolId=png-to-webp,jpg-to-webp,gif-to-webp`, max 20 tools.

Supports URL file links or Base64 encoding for file parameters.

If you encounter any issues, please contact us at [email protected]