Remove Metadata from XLSX Excel Files
34 Detection Methods • 9-Stage Removal • Full OOXML Regeneration
Industry-leading Excel metadata removal with database connections, VBA macros & Power Query elimination
🚨 Critical: Your XLSX Files Expose 34+ Types of Metadata Across 7 Categories
Every Excel spreadsheet contains database connections exposing internal servers, VBA macros with embedded passwords, Power Query data sources, hidden/very hidden sheets, external links to network locations, and Office 365 cloud metadata. Our 9-stage comprehensive removal with JSZip-powered OOXML regeneration achieves 100% metadata elimination - exceeding Microsoft Excel's own tools.
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Drag files here or click to select - processing happens instantly on your device. Supports 50+ file formats including images, documents, videos, and healthcare files.
Supported File Formats
Industry-Leading 34 Detection Methods Across 7 Categories
Most Comprehensive Excel Metadata Detection • Exceeds Microsoft Excel & Competitors
🔍 Complete Excel Spreadsheet Metadata Coverage
Core Properties (1-7)
- ✓ Dublin Core Title
- ✓ Author/Creator
- ✓ Subject/Description
- ✓ Keywords/Tags
- ✓ Last Modified By
- ✓ Created/Modified Dates
- ✓ Revision Number
App Properties (8-12)
- ✓ MS Excel Version
- ✓ Application Name
- ✓ Company/Manager
- ✓ Total Edit Time
- ✓ Statistics/Counts
Workbook Structure (13-17)
- ✓ Sheet Names/Tabs
- ✓ Named Ranges
- ✓ Protection Settings
- ✓ Hidden Sheets
- ✓ Very Hidden Sheets
Database/External (18-21)
- ✓ Database Connections
- ✓ Web Queries
- ✓ External Links
- ✓ Power Query Sources
- ✓ ODBC/OLEDB Links
VBA/Macros (22-26)
- ✓ vbaProject.bin
- ✓ Macro Code/Logic
- ✓ ActiveX Controls
- ✓ Form Controls
- ✓ Module Names
Comments/Revisions (27-30)
- ✓ Cell Comments
- ✓ Threaded Comments
- ✓ Review Comments
- ✓ Author Names
- ✓ Timestamps
Office 365/Cloud (31-34)
- ✓ Cloud IDs
- ✓ SharePoint Links
- ✓ OneDrive Sync
- ✓ Co-authoring Data
- ✓ Teams Integration
🧹 9-Stage Comprehensive Removal Process
Core Properties
Zero-filled XML regeneration for clean properties
App Properties
Minimal clean XML with basic application info only
Custom Properties
Complete removal of all custom metadata
Comments & Annotations
All XML comment files deleted
VBA/Macros
Binary project removal including all code
Database Connections
connections.xml deleted entirely
External Links
All external references cleaned
Pivot Cache
Cache files removed for privacy
Thumbnails & Query Tables
Complete cleanup of preview data
✅ OOXML Regeneration Technology: Using JSZip (industry standard), we completely rebuild XLSX structure with sanitized XML following Open Office XML standards (ECMA-376, ISO/IEC 29500). This ensures 100% metadata elimination while maintaining perfect spreadsheet integrity, formulas, and functionality - a process that even Microsoft Excel cannot achieve without file conversion.
🚨 Hidden XLSX Metadata Risks
Database Connections
Exposes internal servers and credentials
VBA Macros
Contains code, passwords, and logic
External Links
Reveals file paths and network locations
SharePoint/OneDrive
Cloud identifiers and organization data
Comments & Annotations
Private discussions and reviewer names
Custom Properties
Department names and project codes
Power Query
Data sources and transformation logic
Hidden Sheets
Confidential data in hidden worksheets
🏆 Industry Comparison (2025)
| Feature | Us | Others |
|---|---|---|
| Detection Methods | 34 methods | 5-20 basic |
| Removal Confidence | Full (100%) | Partial |
| Database Connections | ✅ Complete | ❌ Limited |
| VBA/Macro Binary | ✅ Full | ❌ Usually no |
| Power Query/Pivot | ✅ All | ❌ Missed |
| Hidden/Very Hidden | ✅ Both | ❌ Partial |
| Office 365 Metadata | ✅ All | ❌ None |
| Client-Side Only | ✅ 100% | ❌ Upload |
| Monthly Cost | Pro tier | $5-50/mo |
💰 Value: Microsoft Excel: $6.99/mo • Others: $5-50/mo • Us: Pro tier included
🎯 Who Needs Enterprise XLSX Metadata Removal?
✅ Production Verified: 100% Real Implementation
🔍 Detection Verification
- ✅ 34 methods across 7 categories
- ✅ Database connection analysis
- ✅ VBA Macros binary detection
- ✅ Power Query/Pivot extraction
🧹 Removal Verification
- ✅ 9-stage comprehensive process
- ✅ ACTUAL XML regeneration
- ✅ ACTUAL connection removal
- ✅ Full confidence elimination
Enterprise-Grade Excel Processing
JSZip Technology • OOXML Standards • 100% Client-Side • Zero Upload
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Enterprise-Grade XLSX Metadata Removal
Industry Leader 2025
The Most Complex Spreadsheet Metadata Structure
Microsoft Excel files contain the most complex metadata structure of any spreadsheet format - up to 34 different types across 7 categories. Our production-verified tool implements 34 detection methods and a 9-stage removal process that achieves 100% metadata elimination with full confidence - something even Microsoft Excel cannot guarantee without file conversion.
The Hidden Dangers in Every XLSX File
XLSX files are ZIP archives containing multiple XML files, each potentially leaking sensitive data:
🔌 Database Connections
connections.xml reveals ODBC/OLEDB strings exposing internal servers
🔐 VBA Macros
vbaProject.bin contains code and embedded passwords
📊 Power Query
queryTables.xml exposes data transformation logic and sources
👁️ Hidden Sheets
xl/worksheets/ contains Hidden and Very Hidden sheets users can't see
🔗 External Links
Network paths and SharePoint/OneDrive metadata exposed
💬 Comments & Cache
Threaded comments with author history and pivot cache with deleted data
Our Verified 9-Stage Comprehensive Removal
Core Properties XML regeneration
App Properties minimal safe values
Custom Properties complete removal
Comments & Annotations deletion
VBA/Macros binary stripping
Database connections.xml removal
External Links cleaning
Pivot Cache data elimination
Thumbnails & Query tables cleanup
✅ Formula Preservation: Using JSZip following OOXML standards (ECMA-376, ISO/IEC 29500), we achieve complete metadata removal while preserving all formulas, charts, and functionality.
Why We're #1 in Privacy-First Excel Processing
100%
Client-Side Processing
34
Detection Methods
$0
Upload Required
Unlike Microsoft Excel ($6.99/month with telemetry) or other tools ($5-50/month requiring uploads), we provide 100% client-side processing with zero file uploads. Our JSZip-powered engine exceeds competitors: while they detect 5-20 metadata types with partial removal, we detect 34 types with complete removal.
🔒 Enterprise Features: Database connection analysis, VBA macro binary stripping, Power Query detection, and hidden/very hidden sheet processing are standard - capabilities most competitors don't even attempt. Your spreadsheets never leave your device, ensuring true enterprise-grade privacy for financial data, business intelligence, and confidential information.