Security-first flow
Macro-enabled and legacy formats are blocked before analysis. Supported files are inspected locally as static workbook data.
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Tools
Excel Workbook Doctor
Flagship Excel audit tool
Upload your Excel file. Get a complete health report in seconds.
Find broken formulas, hidden risks and performance problems in your Excel files.
Upload your workbook and get a structured audit report covering formulas, workbook structure, data quality, performance, security, and maintainability.
Static analysis only
No macros executed
VBA blocked
XLSX & CSV supported
Built for Excel users
82/100
Workbook health report
This workbook is usable, but several formula, structure and security issues should be reviewed before sharing or using it for reporting.
Report-first dashboard
The result is structured for quick review: health score, top risks, category scores, checklist, and prioritized recommendations.
Backend-ready structure
The browser flow can later be connected to a safe POST /api/tools/workbook-doctor/analyze endpoint without redesigning the UI.
Try it now
Start with the sample report or upload a supported workbook to generate a local, file-specific static report.
Security & Upload
Clear limits are part of the product design.
Security-first workbook analysis
Clear limits are part of the product design.
We never execute macros.
We never run VBA.
We never open your file in Excel.
We only inspect workbook structure and metadata.
Macro-enabled and legacy Excel files are blocked by default.
Drop your Excel file here
Supported formats: .xlsx, .csv
Max file size: 10 MB
Macro-enabled or legacy Excel files are blocked for security reasons. Please save a macro-free copy as .xlsx and upload again.
Unsupported file type. Please upload a macro-free .xlsx workbook or a .csv file.
Ready to scan
workbook.xlsx
0 KB · .xlsx
Scan
Run the safe local audit preview. No workbook code, macros, formulas or VBA are executed.
No scan is running
Upload a supported .xlsx or .csv file, or use the sample workbook to open the report preview.
Workbook audit running
Static analysis in progress. No macros or VBA are executed.
Preparing safe workbook checks…
- Checking file type
- Validating safe workbook format
- Reading workbook structure
- Scanning formulas
- Checking hidden risks
- Reviewing data quality
- Building health report
Sample report
Workbook health report
Generated safely in the browser from static workbook inspection. Your file is not uploaded, opened in Excel, or executed.
82/100
Good, but needs cleanup
This workbook is usable, but several formula, structure and security issues should be reviewed before sharing or using it for reporting.
Category scores
Category scores summarize the main workbook risk areas in the current report preview.
Boss Summary
This workbook is generally usable, but it contains several risks that should be reviewed before sharing. The most important problems are broken references, inconsistent formulas, external links, hidden sheets, and data quality issues in key columns.
Review before sending
Safe to send?
The workbook can probably be shared after the highlighted formula, privacy and structure risks are reviewed.
Before sending this workbook
Items marked attention should be checked manually.
Workbook profile
Top 5 issues
Formula Doctor
Formula issues are shown as audit cards with severity, location and recommendation.
Filter report findings
Critical
Sales!F42
Broken reference detected: #REF!
Recommendation: Fix or restore the missing referenced cell/range.
What this means
The formula points to a cell, row, column, or sheet reference that no longer exists in the workbook.
Possible impact
Reports, dashboards, and downstream formulas using this cell can return wrong or incomplete results.
Evidence shown in this report
- Cell value contains #REF!.
- The issue is located in the Sales sheet at cell F42.
- This usually happens after deleting rows, columns, or worksheets used by a formula.
Suggested next steps
- Open the Sales sheet and inspect F42.
- Check the formula bar for the missing reference.
- Restore the deleted reference or replace it with the correct range.
- Review dependent dashboard and summary formulas after the fix.
High
Sales!G2:G500
Inconsistent formula pattern in Margin column
Recommendation: Review formulas around rows 148–151 and copy the correct formula pattern.
What this means
This item needs a manual review before the workbook is shared or used for reporting.
Possible impact
The issue may reduce trust in the workbook output if it is not reviewed.
Medium
Forecast!H12
Long nested IF formula detected
Recommendation: Consider using LET, XLOOKUP, or a mapping table.
What this means
This item needs a manual review before the workbook is shared or used for reporting.
Possible impact
The issue may reduce trust in the workbook output if it is not reviewed.
Medium
Budget!D18
Hardcoded value inside formula
Recommendation: Move assumptions to a dedicated input cell.
What this means
This item needs a manual review before the workbook is shared or used for reporting.
Possible impact
The issue may reduce trust in the workbook output if it is not reviewed.
High
Summary!B7
External workbook reference detected
Recommendation: Review the linked workbook before sharing.
What this means
This item needs a manual review before the workbook is shared or used for reporting.
Possible impact
The issue may reduce trust in the workbook output if it is not reviewed.
Data Quality
Data quality signals found during static workbook inspection.
Filter report findings
Structure
Workbook layout, sheet naming and unused content checks.
Filter report findings
Performance
Signals that may slow down calculation or make the workbook harder to maintain.
Filter report findings
Security
Static safety and privacy checks. No code, macros, formulas or VBA are executed.
Status: Safe
Macro Safety
No VBA project detected. This file appears to be macro-free. Macro-enabled and legacy files are blocked before analysis.
Filter report findings
This report is based on static workbook inspection. The tool does not execute code, macros, formulas, or VBA.
Recommendations
Prioritized cleanup plan for the workbook owner.
Filter report findings
| Priority | Area | Problem | Recommended action | Impact |
|---|
Export report
Create local exports from the current browser-generated report. Your workbook is not uploaded or executed.
Cleanup Plan
A practical sequence of fixes based on the current static report.
FAQ
Security and scope for Workbook Doctor.
Do you execute macros?
No. The tool never executes macros, VBA, formulas, or external code. It only performs static inspection.
Which file types are supported?
Workbook Doctor supports .xlsx and .csv files. Macro-enabled and legacy Excel files are blocked by default.
What happens with .xlsm files?
They are blocked before analysis because they may contain VBA or macro-related content. Save a macro-free copy as .xlsx and upload again.
Can this tool fix my workbook automatically?
No. Workbook Doctor detects and explains issues, but it does not edit, repair, recalculate, or modify your workbook.
Is this a replacement for Excel?
No. It is an audit and diagnostic tool that helps you understand workbook risks before editing or sharing the file in Excel.