YAML to XLSX Converter [2025]

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Transform YAML data into Excel spreadsheets with support for nested structures and multiple sheets. Perfect for data organization and analysis.

✓ Multi-sheet Support✓ Live Preview✓ Smart Formatting
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Key Features

  • Create multi-sheet Excel files from nested YAML structures.
  • Smart handling of nested objects and arrays with customizable options.
  • Live preview of data before download.
  • Automatic column generation from YAML structure.
  • Support for large YAML files up to 10MB.
  • Browser-based conversion with no server dependency.
  • Excel-compatible output in XLSX format.
  • Customizable sheet names and formatting options.

Structure Examples

Multi-sheet Example

YAML Input:

- name: John Doe
  department: IT
  projects:
    current:
      - name: Project A
        role: Lead
    completed:
      - name: Project B
        role: Developer

Generated Sheets:

Main Sheet:

name,department

Projects Sheet:

name,role,status

Common Use Cases

Data Organization

  • • Configuration data
  • • System exports
  • • Inventory lists
  • • Product catalogs

Analysis

  • • Data processing
  • • Statistical analysis
  • • Report generation
  • • Data visualization

Integration

  • • Data migration
  • • System integration
  • • Batch processing
  • • Content import

Frequently Asked Questions

How does multi-sheet creation work?

When enabled, the converter analyzes your YAML structure and creates separate sheets for nested objects. This is particularly useful for complex data structures where different types of information should be organized in different sheets.

What about nested arrays and objects?

You can choose between flattening nested structures using dot notation or creating separate sheets. Arrays can be either stringified into single cells or expanded into multiple columns, depending on your needs.

Is the Excel output compatible with all versions?

Yes, the converter generates standard XLSX files that are compatible with Microsoft Excel 2007 and newer versions, as well as other spreadsheet applications like Google Sheets and LibreOffice Calc.

Can I customize the Excel formatting?

The converter focuses on data transformation rather than styling. However, once you have the XLSX file, you can apply any Excel formatting you want. The generated sheets include headers and properly typed cells for easy formatting.

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