CSV Tools

Sum Column

Calculate the total of all values in each numeric column

CSV Input

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Results

Paste or upload a CSV to sum columns...

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CSV Format

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How to Use This Tool

This tool calculates the total of all values in each numeric column of your CSV. Non-numeric columns are automatically skipped.

  1. Provide your CSV — Paste CSV text into the input area, drop a CSV file onto the File tab, or enter a URL on the URL tab.
  2. View your results — The sum for each numeric column appears instantly.
  3. Copy or save — Copy the results to your clipboard (tab-separated for Excel) or save as a CSV file.

FAQ

3 questions
Does this tool upload my data?
No. It runs entirely in your browser using JavaScript. Your CSV data is never sent to a server.
Which columns are summed?
Only numeric columns are included. A column is numeric if every non-empty cell contains a valid number.
How are empty cells handled?
Empty cells are excluded from the sum. They are not treated as zero.

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