Withdata DataFileConverter converts XML files to Fixed-Width Text locally — single file, batch, or merge multiple XML files into one Fixed-Width Text. 100% local, secure, and cross-platform.

XML is a markup format with nested elements and attributes.

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Why Choose Withdata XML to Fixed-Width Text Converter?

🔒 100% Local & Secure

XML files are read and converted on your own computer. Nothing is uploaded to any cloud server.

⚡ Fast Streaming Conversion

Large XML files are processed in streaming mode with low memory usage — millions of rows within a minute.

📁 Batch & Merge

Batch convert many XML files to Fixed-Width Text files, or merge multiple XML files into one Fixed-Width Text.

🔄 Column Widths, No Delimiter

Define the width of every column (N columns need N-1 widths). No delimiter and no quoting are needed.

🖥 Windows, macOS, Linux

Native builds for Windows, macOS and Linux, with a step-by-step GUI wizard and a command line interface.

⏱ CLI & Scheduled Tasks

Save a conversion session and run it automatically from Windows Task Scheduler or crontab.

Full Feature Comparison

Feature	Supported details
Input source	Local XML, batch XML, merged XML
Output format	Fixed-width text with detected or custom column widths
Conversion mode	Single file · merge many XML files into one Fixed-Width Text · batch (one to one)
Running mode	GUI wizard · command line · scheduled tasks
Source options	Element selection, encoding (UTF-8 / UTF-16)
Output options	Column mapping, encoding, date format, empty value handling
Platform	Windows, macOS, Linux (native, 64-bit)

All XML to Fixed-Width Text Conversions You Need

Single XML file → Fixed-Width Text file, step by step in the GUI wizard
Batch convert multiple XML files → multiple Fixed-Width Text files
Merge multiple XML files into one Fixed-Width Text — merge tool
Convert XML to Fixed-Width Text in the command line, and run it as a scheduled task
All XML conversion tools and all Fixed-Width Text conversion tools

XML to Fixed-Width Text Notes

Repeated elements are read as rows; elements and attributes become columns.
UTF-8 and UTF-16 encoded files are supported.
Output column widths are detected from the data (measured width + 15% slack, at least 2 and at most 15 extra characters), or set manually.

How to Convert XML to Fixed-Width Text (4 Steps)

Open Withdata DataFileConverter and select XML as the input type and Fixed-Width Text as the output type.
Load your XML data — a single file, a folder / list of files for batch conversion, or several files to merge into one.
Check the preview table, then adjust the source options and the output options.
Click Convert — the Fixed-Width Text output is written in seconds. Save the session if you want to run it again from the command line.