Excel Formula Extractor - Analyze Spreadsheet Calculations

Extract and analyze Excel formulas with function statistics, cell references, and dependencies. Export formula audit reports. Browser-based.

Drop XLSX file here

Analyze formulas and functions

Formula analysis will appear here

Security: Only process files from sources you trust. All processing happens locally in your browser.

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Frequently Asked Questions

The Extractor focuses on analysis: function usage statistics, cell reference extraction, complexity scoring, and audit-ready reports. The Viewer is for browsing.

Function frequency counts, unique cell references, formula complexity scores, cross-sheet references, and potential circular reference detection.

No. All processing happens locally in your browser using JavaScript. Your spreadsheets never leave your device.

All Excel functions including SUM, VLOOKUP, INDEX/MATCH, IF, SUMIF, array formulas, and custom add-in functions.

Yes. The tool extracts all cell and range references from each formula, showing dependencies for audit purposes.

A score based on nesting depth, number of functions used, and reference count. Higher scores indicate more complex formulas.

The tool shows formulas that may have issues like unbalanced parentheses or unusual patterns. It doesn't evaluate formulas.

Yes. Export full audit reports as JSON (complete data) or CSV (summary tables) for documentation and review.

Functions like NOW(), TODAY(), RAND(), and INDIRECT() are flagged as they recalculate on every change.

Only XLSX format (Excel 2007+) is supported. Save older .xls files as XLSX first.

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