Detect internal logical conflicts in your dataset — value encoding inconsistencies found automatically, cross-column rule violations defined by you. Your data never leaves your browser.
1 Upload
2 Auto-detected Issues
3 Cross-column Rules
4 Results
Drop your CSV or Excel file here
Supports .csv, .xlsx, .xls · Your data stays in your browser
Works with KoboToolbox, ODK, DHIS2, and any tabular CSV or Excel export. First row must be column headers.
Auto-detected Inconsistencies
These issues were found automatically — no configuration needed
Value encoding variants
Same concept represented multiple ways — "Male", "male", "M", "MALE" in the same column
Case inconsistency
"yes" and "Yes" and "YES" in the same column — logically identical, encoded differently
Whitespace variants
Leading/trailing spaces causing "Lusaka " and "Lusaka" to appear as different values
Mixed type encoding
Numeric and text representations mixed — "1", "Yes", "TRUE" in the same column
Scanning for issues…
Cross-column Rules
Define logical relationships between columns — flag rows where the relationship is violated
Define as many relationships as your dataset requires
Export results
Processing…
This may take a moment for large datasets
Built by Cynthia Muyunda-Kambobe · Kithms EnterpriseYour data never leaves your browser