UseCase Solution
Rule-Based Excel Dedup with Tolerance and Regex
Use explicit comparison rules for case, edge whitespace, symbols, numeric differences, and extracted patterns.
100% Local Processing
Large File Ready
Instant Results
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The Problem
Excel mainly handles exact matches. Numeric differences, case, whitespace, or structured identifiers can hide duplicates.
Our Solution
Configure tolerance and extraction rules, inspect the sample preview, then run full processing and export.
Key Features
Features optimized for this use case
Case, edge-whitespace, and symbol comparison
Numeric tolerance matching
Regex or pattern extraction
Per-column matching rules
Merge and fill duplicates
Local processing, zero upload
How It Works
Complete data cleaning in three simple steps
Upload Data
Import Excel/CSV files
Set Comparison Rules
Configure tolerances and match fields
Preview & Export
Review merges and download
FAQ
Common questions about this use case
It compares values using rules you explicitly select. It does not infer spelling similarity.
Use conservative tolerances and fields, then review the sample preview before processing.
No automatic width normalization is applied. CJK text can still use the selected comparison rules.
Yes. Choose newest, oldest, max, min, priority, or an explicit merge-and-fill strategy.
No. Processing happens locally in your browser.
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