Excel Error Finder
Find hidden errors in your spreadsheet
Excel Error Finder launched on June 13, 2026 with 6 votes, #2,066 of 22,647 launches that month and more than 75% of that year's launches.
What it does
Excel Error Finder is a free, browser-based audit tool that scans yourxlsx/.xls/.xlsm/.xlsb files for hidden errors broken formulas (#REF!, #VALUE!, #DIV/0!), inconsistent formulas in columns, hidden/very-hidden sheets, broken external links, hardcoded "magic numbers," and more. Every issue comes with a plain-English explanation of what caused it and how to fix it.
Free Excel formula auditor. Find #REF! errors, hidden sheets, hardcoded values, inconsistent formulas, and more in seconds. 100% private — your files never leave your browser.
Instantly audit .xlsx files for broken formulas, hardcoded values, hidden sheets, and more — with plain-English explanations for every issue found. Every tool runs entirely in your browser. Your files never leave your device. Full audit in seconds — formula errors, hidden sheets, hardcoded values, broken links, and 10 more checks. Convert .xlsx or .xls to CSV with your choice of delimiter. Multi-sheet support, preview, instant download. Find duplicate rows by any column combination. Download a clean deduplicated file in one click. Convert any CSV file to Excel (.xlsx) instantly. Auto-detects delimiter, numbers stay as numbers. Combine multiple workbooks into one. Stack rows vertically or…from excelerrorfinder.com
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