Spreadsheet Formula Injection Checker

Paste CSV or TSV rows to find cells that spreadsheet apps may execute as formulas, then create a safer escaped copy before import or sharing.

Spreadsheet rows

Safe export

Run the check to create an escaped export.

Delimiter

Escape risky cells

First row is header Trim cells before checking

Strictly flag negative numbers

Checks formula prefixes after whitespace: =, +, -, and @. Negative numbers are allowed unless strict mode is enabled.

Rows

Columns

Risky Cells

Escaped

Copy-ready report

Ready to check spreadsheet rows.

Findings

No findings yet.

Interpretation

Paste spreadsheet rows to check for formula-injection risk.

Ready.