CSV Column Deleter

The CSV Column Deleter Tool lets you remove specific columns from a CSV file using either header names or column indexes. Customize the delimiter, trim whitespace, and preview results instantly. Supports file import, export, and live output.

Paste your input above or import a file below.
No file chosen
Supported file types: .csv, .txt
Rows: 0, Columns: 0
Options
Header Row Present
Trim Whitespace

How to Use:

  1. Paste your CSV data into the Input CSV field or import a .csv or .txt file.
  2. In the Columns to Delete field, enter the names or index numbers of the columns you want to remove:
    • Use column names (e.g., Science,Year) if Header Row Present is ON.
    • Use indexes (e.g., 2,3) if Header Row Present is OFF (0 = first column).
  3. Use the Options panel to adjust settings:
    • Toggle Header Row Present if the first row contains column headers.
    • Toggle Trim Whitespace to clean up each value.
    • Set a custom Delimiter if needed (default is comma).
  4. Click Delete Columns to update the output instantly.
  5. Use Copy Output or Export to File to save your result.
  6. Click Clear All to reset everything.

What CSV Column Deleter Tool Can Do:

  • Deletes multiple columns by name or index.
  • Works with CSVs with or without headers.
  • Supports custom delimiters and live preview with flashing updates.
  • Displays updated row and column count instantly.
  • Allows importing, exporting, and copying results with ease.

Example:

Input CSV:

Name,Math,Science,Year  
Alice,85,90,2024  
Bob,88,76,2024  
Charlie,90,88,2024

Columns to Delete:

Science,Year

Result:

Name,Math  
Alice,85  
Bob,88  
Charlie,90

Common Use Cases:

Use this tool to clean up exported datasets by removing unnecessary or sensitive columns before sharing or importing. It’s ideal for streamlining CSV files for analysis, reporting, or integration with other systems.

Useful Tools & Suggestions:

After removing columns from your CSV, CSV Column Exporter can help you save a clean version with just the data you need. And if you’re reordering things next, CSV Column Swapper makes it easy to shift fields around without touching the rest of the file.

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