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CSV Formula Injection Scanner

Inspect every cell, including headers, or export quoted CSV with dangerous formula prefixes neutralized for review.

csv-formula-injection-scannerLOCAL WORKSPACE

Enabling local controls…

Local memory only: no upload, storage, host connection or credential operation. The report describes limited structural checks and risk hints.

32 KiB / 1000 rows / 200 columns / 10000 cells. Prefix heuristic may flag negative numbers. Sanitization adds an apostrophe and quotes all cells; consumer import settings and re-export can remove it. Review in the target spreadsheet; no universal safety guarantee.

Source reviewed 2026-10-19: ToolHub source · OWASP CSV Injection

Edit input and inspect. Changes clear old results and cancel pending work.

How to use this tool

Edit the bounded input, inspect locally, then explicitly copy or download the complete report. Changes cancel and clear old results.

When not to use it

32 KiB / 1000 rows / 200 columns / 10000 cells. Prefix heuristic may flag negative numbers. Sanitization adds an apostrophe and quotes all cells; consumer import settings and re-export can remove it. Review in the target spreadsheet; no universal safety guarantee.