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Scan CSV Files for Spreadsheet Formulas

Find formula-like values in CSV files before opening them in Excel or Google Sheets and review a safe findings report locally.

Quick start

Built for finding formula-like cells before opening or sharing a csv in spreadsheet software.

Everything runs in your browser, so you can test the workflow with sample data when available before using production files.

Output: A CSV report of formula-like values.

  1. 1Upload the CSV.
  2. 2Review the row, column, and suspicious value report.
  3. 3Remove or verify findings before distributing the source file.
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How to CSV Formula Scanner

  1. 1Upload the CSV you plan to open in a spreadsheet
  2. 2Review formula-like cells and their row numbers
  3. 3Remove or verify findings before sharing the file

Why Use This Tool?

  • ✓Catches common formula prefixes
  • ✓Preserves the source file
  • ✓Creates a reviewable CSV report
  • ✓Helpful for safer data exchange

Frequently Asked Questions

Does scanning execute formulas?

No. The scanner only checks text patterns and never evaluates spreadsheet formulas.

Why are negative numbers excluded?

Normal numeric values such as -12.5 are not formula injections, so the scanner avoids reporting them as suspicious.