Clean Spreadsheet with All Features Together
The complete all-in-one spreadsheet cleaner. Run duplicate removal, blank row deletion, whitespace trimming, date standardization, and text formatting together simultaneously with full rules control.
Key Capabilities of Full App (All Features)
Complete Auto-Fixing Engine
Fixes over 10 common spreadsheet errors in a single operation without breaking data structures.
Customizable Rules Drawer
Toggle individual cleaning rules on or off with instant live spreadsheet preview.
Audit Trail & Change Tracking
Inspect exact deleted rows, removed columns, and modified cells in a dedicated report.
Zero Cloud Storage Risk
Files are processed in device RAM using native WebAssembly and JavaScript—never uploaded.
How to Full App (All Features) in 3 Simple Steps
Upload File
Drag and drop your Excel (.xlsx, .xls) or CSV (.csv, .tsv) spreadsheet file.
Review Cleaned Data
Review instant side-by-side changes with highlighted edits and audit logs.
Download Cleaned Spreadsheet
Export pristine Excel or CSV ready for reporting, database import, or CRM.
Frequently Asked Questions
Is my spreadsheet uploaded to any server?
No. All spreadsheet processing runs 100% locally in your web browser. Your confidential business, customer, or personal data never leaves your computer or phone.
Is Spreadsheet Fixer free to use?
Yes, Spreadsheet Fixer is completely free with no limits on file rows, no accounts required, and no hidden subscriptions.
Which spreadsheet file formats are supported?
Spreadsheet Fixer supports Microsoft Excel (.xlsx, .xls) and Comma-Separated Values (.csv, .tsv).
How does it remove duplicate rows in Excel and CSV?
It scans through row values across your chosen columns, marks duplicates deterministically while preserving the first matching row, and gives you a complete audit log of removed rows.