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 Column Extractor for Excel

Use this column extractor to extract Excel columns from a worksheet and export selected columns to Excel, CSV, JSON, or TXT. Preview extracted spreadsheet columns before download with all processing done locally in your browser.

📂 Step 1 - Upload Excel File
Filename
-
Worksheets
-
File size
-
⚙️ Steps 2-3 - Worksheet and Column Selection
Column actions
Detected columns
🔎 Step 4 - Preview Extracted Data
Selected columns
0
Extracted rows
0
Preview rows
0
Showing approximately the first 20 rows from the extracted output.
📦 Steps 5-6 - Choose Format and Download
All processing happens locally in your browser. No spreadsheet data is uploaded to a server.

⭐ Column Extractor for Excel - How It Works

The Column Extractor for Excel lets you extract Excel columns from a selected worksheet and export only the columns you need. Upload one .xlsx or .xls file, choose the worksheet, select one or more columns, preview the extracted rows, and download the result as Excel, CSV, JSON, or TXT. Everything runs locally in your browser.

🔎 Step-by-Step Workflow

  1. Upload one Excel file (.xlsx or .xls).
  2. Choose the worksheet you want to process.
  3. Select the columns to extract from the detected header list.
  4. Review the first 20 extracted rows in the preview table.
  5. Choose a download format from Download as.
  6. Save your extracted file to your device.

⚙️ Header Detection and Column Labels

The tool checks the first row of the selected worksheet for headers. If headers are present, those names are used in preview and export. If no headers are detected, columns are automatically labeled A, B, C... so you can still extract spreadsheet columns accurately.

⚙️ Extraction Options

  • Include header row: Adds column names to exported output (enabled by default).
  • Preserve original row order: Keeps rows in worksheet order (enabled by default).
  • Keep empty cells: Keeps rows where selected cells are empty (enabled by default).
  • Trim whitespace from text: Removes leading and trailing spaces from text values before export.

⭐ Export Formats

After preview, export selected columns in one of four formats:

  • Excel (.xlsx) for spreadsheet workflows.
  • CSV (.csv) for database imports and lightweight processing.
  • JSON (.json) for APIs and structured data pipelines.
  • TXT (.txt) as tab-separated plain text.

⚠️ Error Handling

The tool shows clear messages if:

  • No file is uploaded.
  • The file cannot be read.
  • The worksheet contains no data.
  • No columns are selected.
  • Export fails.

🔒 Privacy and Performance

This online Excel tool works entirely in your browser. Your file data is never uploaded to a server, helping keep spreadsheet content private. Large files are handled using browser-side parsing and a limited preview for better responsiveness on desktop and mobile browsers.

This tool is also known as

  • column extractor
  • extract excel columns
  • excel column export
  • export selected columns from excel
  • extract spreadsheet columns online

Frequently Asked Questions

Column Extractor for Excel is an online Excel tool that lets you select one worksheet, choose specific columns, preview the extracted data, and export only those columns to Excel, CSV, JSON, or TXT.

You can upload one Excel file in .xlsx or .xls format. The tool reads worksheets locally in your browser and keeps all data on your device.

After upload, the tool automatically detects all worksheets in the workbook. You can switch between sheets and the column list plus preview refreshes immediately.

The tool checks the first row in the selected worksheet. If header values are found, they are used as column names. If no headers are detected, columns are labeled A, B, C, and so on.

Yes. You can select one or more columns using the checkbox list, and the preview updates instantly so you can verify the extraction before download.

The preview shows approximately the first 20 extracted rows. Summary counters display selected column count and total extracted row count for the full output.

You can export selected columns as Excel (.xlsx), CSV (.csv), JSON (.json), or TXT (.txt tab-separated). This makes the tool useful for spreadsheet, data, and API workflows.

When enabled, rows with empty values in selected columns are kept in the output. When disabled, rows where all selected column values are empty are skipped.

It removes leading and trailing spaces from text values before export. This helps clean inconsistent spreadsheet entries without modifying the original file.

No. All processing is done locally in your browser with JavaScript. Your file stays on your device and is never uploaded to the server.

Yes. Exports are generated with UTF-8 compatible output so accented letters, symbols, and multilingual text are preserved as accurately as possible.

Try selecting fewer columns, switching export format, or re-uploading the file. Very large files can be memory-intensive depending on your browser and device.

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