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DataCleaner

Upload your dataset — get clean data + a full diagnostic report.

📊 Normality Check 🔍 Outlier Detection 🩹 Missing Imputation 📁 Excel & SPSS 🔒 100% In-Browser

Upload Your Dataset

Supported formats: .xlsx  ·  .xls  ·  .csv  ·  .sav

Drag & drop your file here

or

What happens to your data

  1. 1Standardise columns & remove empty rows / duplicates
  2. 2Compute descriptive stats · check skewness & kurtosis
  3. 3Diagnose missing values (MCAR / MAR / MNAR)
  4. 4Impute missing values (median / mode)
  5. 5Detect & cap outliers with IQR Winsorisation
  6. 6Download cleaned file + full report

🔒 Your data never leaves your device. All processing happens in the browser.