Tools/Spreadsheet data/Spreadsheet Converter
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Spreadsheet Converter

Convert spreadsheet data between XLSX, CSV, TSV, and JSON.

Spreadsheet previews and results will appear here

Input and result notes

XLSX input uses the first worksheet and exports data rather than a fully preserved workbook. CSV, TSV and JSON express types differently; verify identifiers, dates and empty values.

Spreadsheet data
  • JSON to Markdown Table

    Convert an array of JSON objects into a Markdown table with columns based on object properties.

  • Spreadsheet Viewer

    Preview, lightly edit, and export a spreadsheet without uploading it.

  • CSV to Markdown Table

    Convert CSV headers and records into an aligned Markdown table for documentation and reports.

  • Spreadsheet Data Quality Checker

    Check required values, duplicate keys, and column types in XLSX, CSV, TSV, or JSON data. Edit cells and export an issue report locally.