# XML File Merger Merge multiple XML files into a single file with options for handling root elements and namespaces > Canonical page: https://elysiatools.com/en/tools/xml-merger - **Category:** Data Processing - **Keywords:** xml, merge, combine, concatenate, files, data ## 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. ## Inputs - **XML Files** (file): Select XML files to merge... - **Merge Strategy** (select) - **Handle Root Elements** (select) - **Preserve Namespaces** (select) - **Output Format** (select) ## 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. ## Frequently asked questions ### 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. ## Related tools - [Data URI Generator](https://elysiatools.com/en/tools/data-uri-generator): Convert files into Data URIs (Base64 or percent-encoded) for inlining images, fonts, and assets directly into HTML, CSS, or Markdown - [JSON-LD Generator from CSV](https://elysiatools.com/en/tools/json-ld-generator-from-csv): Turn CSV or Excel rows into Schema.org JSON-LD for articles, products, or events, with validation-ready output for SEO workflows - [Word Text Extractor](https://elysiatools.com/en/tools/word-text-extractor): Extract text content from Word documents with support for formatting options, paragraph selection, and multi-language processing - [HTML to PDF Renderer](https://elysiatools.com/en/tools/html-to-pdf-renderer): Render a limited HTML subset into a PDF with a deterministic layout - [Convert SVG to JPG](https://elysiatools.com/en/tools/svg-to-jpg): Convert SVG vector graphics to JPG raster format with customizable resolution, quality, and background options - [Convert SVG to PNG](https://elysiatools.com/en/tools/svg-to-png): Convert SVG vector graphics to PNG raster format with customizable resolution, quality, and transparency options - [XLSX CSV Batch Converter](https://elysiatools.com/en/tools/xlsx-csv-batch-converter): Batch convert CSV/TSV to XLSX or convert XLSX back to CSV/TSV with delimiter and encoding handling - [CSV / Excel Diff Tool](https://elysiatools.com/en/tools/csv-excel-diff-tool): Compare two CSV or XLSX datasets and export a PDF report with row, column, and cell-level differences ## Samples - [Android Serialization Java Samples](https://elysiatools.com/en/samples/android-serialization-java): Android Java serialization examples including JSON serialization, deserialization, and XML parsing - [Android Serialization Kotlin Samples](https://elysiatools.com/en/samples/android-serialization-kotlin): Android Kotlin serialization examples including JSON serialization, deserialization, and XML parsing - [ODS Samples](https://elysiatools.com/en/samples/ods-samples): Sample OpenDocument Spreadsheet files for worksheet parsing and report conversion tests - [Web Data Serialization Go Samples](https://elysiatools.com/en/samples/web-serialization-go): Web Go data serialization examples including JSON encoding/decoding and XML parsing ## Related content - [XML Conversion, Mapping, and XPath Tools](https://elysiatools.com/en/hubs/xml-convert): Curated tools for XML conversion, mapping, merging, and XPath extraction in one hub. - [Text Case, Encoding, and Normalization Conversion Tools](https://elysiatools.com/en/hubs/text-convert): Compare text case conversion, character-width conversion, encoding conversion, quoted-printable handling, and inline text normalization tools in one hub. - [Text Tools](https://elysiatools.com/en/hubs/text-utility): Explore 33 text tools for utility workflows and compare closely related utilities quickly. - [Text Analysis, Readability, and Content Inspection Tools](https://elysiatools.com/en/hubs/text-analyze): Compare text statistics, language detection, readability scoring, sentiment analysis, moderation review, and pattern analysis tools in one hub.