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About
Upload an Excel file, get a 0-100 risk score. Detects formula errors (circular references, #REF!, deeply nested formulas), data quality issues (empty rows, mixed types, duplicates), structural problems (file size, merged cells, hidden sheets), VBA macro risks, PII exposure, and external data connections. Scoring is fully deterministic — no AI, no randomness, same file always gets the same score. Free web app with drag-and-drop upload, CLI tool, and API. Built because spreadsheet errors are a multi-billion-dollar problem and most people have no idea their workbooks are broken.
💻 Tech Stack
Core languages and frameworks
PythonTypeScriptReactNext.jsFastAPI
🤖 AI Tools Used
AI assistants and tools that helped build this project
No AI tools listed
☁️ Infrastructure
Hosting, databases, and deployment tools
Google CloudDocker
Tags
spreadsheetrisk-analysisexcelvalidationdeterministic
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Project Details
Categorytool
CreatedFebruary 11, 2026