Explain Why Totals Don’t Match

Analyze specific columns for summation errors. 100% private—your data stays in your browser.

No uploadsNo signupInstant results
1

Upload Data

Drop the file with summation issues.

2

Recalculate

We sum the column and compare with expectation.

3

View Explanation

See why the numbers don't match.

Click to upload or drag & drop

Supported files: CSV, TXT, JSON (Max 20MB)

Drop your file here

or click to browse

CSV with numeric column.

Max 20MB 100% Private

What This Tool Does

This tool recalculates the sum of a column and compares it to your expected total, identifying rows that are excluded (e.g. text) or subtle rounding errors.

How It Works

1Upload the file.
2Specify the column and the expected total.
3The tool calculates the actual sum.
4It explains the discrepancy.

Input Format

Financial or numeric data CSV.

Output Format

Summation analysis report.

When to Use This Tool

  • Your Excel sum doesn't match the invoice total.
  • You suspect hidden characters are breaking the math.
  • Checking for floating point rounding issues.