Excel Error Finder
Free Online Spreadsheet Audit & Error Checker
Excel spreadsheet auditing and error detection tool
Our Take
Excel Error Finder hunts down hidden #REF!, #VALUE!, and circular reference errors lurking in your spreadsheets — honestly, anyone who actually lives in Excel knows that one corrupted formula can wreck an entire model and you won't find it for hours. Too early to tell traction, but the problem is painfully real and the target user is obvious: analysts, accountants, and founders who can't afford to ship broken numbers.
Instantly audit .xlsx files for broken formulas, hardcoded values, hidden sheets, and more — with plain-English explanations for every issue found.
Key Features
Error Cell Detection — pinpoints #REF!, #VALUE!, #DIV/0!, #NAME?, #N/A, #NULL! errors with exact cell address, cause, and fix, Inconsistent Formula Scanner — detects cells whose formula breaks the established pattern in columns, Hidden Sheet Detector — reveals both 'hidden' and 'very hidden' sheets (xlSheetVeryHidden), Broken External Link Finder — flags formulas referencing other files that break when source is moved/renamed/deleted, Magic Number Finder — finds numeric constants hardcoded inside formulas (e.g. =A1*0.08), Error Explanation Panel — plain-English explanation of cause, impact, and step-by-step fix, 100% Client-Side Processing — files never leave the browser, 16 Free Excel Tools — Auditor, Converter, Data Cleaner, Merger, Optimiser, Transform
Problem It Solves
Spreadsheet errors are expensive, embarrassing, and preventable — broken #REF! cells, hidden sheets affecting calculations, formulas that silently paste-overwrote their own calculations, and month-end reports built on inconsistent formulas.
Target Customer
Financial analysts, accountants, and data teams who need full confidence in their models.
Use Cases
Audit spreadsheets for broken formulas and error cells, Detect hidden and very hidden sheets, Find hardcoded values inside formulas, Identify inconsistent formulas across columns, Fix broken external file references, Clean and transform Excel files (transpose, deduplicate, merge), Reduce Excel file size, Convert between Excel and CSV formats
Pricing Details
Completely free with no signup, no usage limits, and no paywall. Supported by Google AdSense advertising. No premium tier.
Free Tier
100% free — every check, every report, and every guide available to everyone at no cost
Differentiator
100% client-side processing (files never leave device — genuine architectural constraint), plain-English explanations for every issue (not just cell references), detects both hidden and very hidden sheets (xlSheetVeryHidden cannot be found through normal Excel right-click menu), analyzes formula patterns across entire columns to find inconsistent formulas.
Why Now
Spreadsheet errors cause expensive mistakes in financial models and reports, and existing tools either upload files to servers (not appropriate for confidential data) or are buried in expensive enterprise platforms.
Traction
Notable Metrics: Files up to 50 MB and 100,000 rows work well
Key Facts
Category
Excel spreadsheet auditing and error detection tool
Pricing
Free
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