Excel Cleaner / Normalizer
World-class data cleaning: split/merge columns, fuzzy dedupe, clustering, conditional rules, and more. Clean messy Excel files for analysis, BI tools, and data pipelines.
How it works: Upload your messy Excel file → review workbook stats + column profiling → choose cleaning options (14 features!) → preview updates live → download your clean, normalized file. Privacy first: Everything runs in your browser – your files never leave your device.
Benchmark Performance
Real-world tested, production-ready
72K rows/sec
1M+ rows
8 issue types
View full benchmarks →