Withdata DataFileConverter converts plain text files to YAML locally —
single file, batch, or merge multiple TXT files into one YAML.
Delimited or fixed-width — both are supported. 100% local, secure, and cross-platform.
Plain text files can be unstructured, delimited, or fixed-width.
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Why Choose Withdata TXT to YAML Converter?
🔒 100% Local & Secure
TXT files are read and converted on your own computer. Nothing is uploaded to any cloud server.
⚡ Fast Streaming Conversion
Large TXT files are processed in streaming mode with low memory usage — millions of rows within a minute.
📁 Batch & Merge
Batch convert many TXT files to YAML files, or merge multiple TXT files into one YAML.
🔄 Nested YAML → Dotted Columns
Nested mappings become address.city-style column names; sequences and block scalars are expanded automatically.
🖥 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 text files, batch text files, merged text files |
| Output format | YAML with configurable indent (default 2) and flow style |
| Conversion mode | Single file · merge many TXT files into one YAML · batch (one to one) |
| Running mode | GUI wizard · command line · scheduled tasks |
| Source options | Delimiter or column widths, quote character, header row, start row, encoding |
| Output options | Column mapping, encoding, date format, empty value handling |
| Platform | Windows, macOS, Linux (native, 64-bit) |
All TXT to YAML Conversions You Need
TXT to YAML Notes
- Text can be parsed as delimited (by a delimiter character) or as fixed-width (by column widths).
- Line breaks, quoting and the encoding can be configured.
- A header row is optional; leading rows can be skipped.
- The output indent can be set (2 spaces by default).
- Flow style (
{ } / [ ]) can be enabled or disabled.
- Dotted column names can be written back as nested YAML mappings.
How to Convert TXT to YAML (4 Steps)
- Open Withdata DataFileConverter and select TXT as the input type and YAML as the output type.
- Load your TXT 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 YAML output is written in seconds. Save the session if you want to run it again from the command line.
Convert TXT to YAML in GUI
In GUI mode the conversion is a step-by-step wizard: choose the TXT source, choose the YAML destination, check the preview, and click Convert.
See Withdata DataFileConverter.
FAQ
It converts millions of rows within a minute. Large files are processed in streaming mode with low memory usage.
Yes. All conversions run locally on your computer — nothing is uploaded to any server, so your data stays private.
Yes. Withdata DataFileConverter has native builds for Windows, macOS and Linux, with both a GUI and a command line.
Yes. You can batch convert a whole folder of TXT files to YAML files in one run.
Yes. Multiple TXT files can be merged into a single YAML file in one run.
Yes. Save the conversion session in the GUI, then run it from the command line, Windows Task Scheduler or crontab.
Yes. Choose fixed-width parsing and specify the width of each column.
Start Converting TXT to YAML Today
Download Withdata DataFileConverter for a free trial. Runs on Windows, macOS and Linux.
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