Free Online Data Quality Tool

Our tool supports CSV files (.csv) and Excel files (.xlsx, .xls). Maximum file size is 10MB to ensure fast processing and optimal performance.

Our AI analyzes your data across multiple dimensions including completeness, consistency, accuracy, and formatting. The score ranges from 0-100, with higher scores indicating better data quality.

No, your files are processed securely and temporarily. We don't store your data on our servers, and your information is never shared with third parties.

Yes, you can select which quality checks to run and provide specific formatting rules. This helps tailor the analysis to your specific data requirements and business needs.

Our tool identifies missing values, duplicate records, mixed data types, inconsistent formatting (dates, phone numbers, emails), and statistical outliers that may indicate data entry errors.

For each issue detected, we provide specific Excel formulas you can copy and paste, plus step-by-step instructions for manual fixes. For automated solutions, consider our Excel add-in.