Secure, browser-based Excel comparison tool. Files are processed locally.
Multi-Filter Compare & Merge
Select multiple files for Source or Target. They will be merged before comparison.
Output: Generates a full report and a separate "Issues Only" report.
File(s) 1 (Source)
📁 Drag & drop files here
or click to browse
Upload files to select columns...
Click columns in order to build the composite key.
Select columns to pass through...
Extra columns from source files to include in output report.
File(s) 2 (Target)
📁 Drag & drop files here
or click to browse
Upload files to select columns...
Select columns in same order as Source for matching.
Select columns to pass through...
Extra columns from target files to include in output report.
How dates will appear in the generated Excel report.
Values within this difference are considered equal. E.g., 0.01 allows ±1 cent variance. Set to 0 for exact match.
If the report exceeds this number of rows, it will be split into multiple files (Part 1, Part 2...). Default is 500,000.