Free browser tool
Find the gaps before they reach the report.
Check a CSV for missing values, review each column, and export a clear summary.
- Your file stays in this browser tab.
- No account or upload required.
- Only tool activity is measured—never your file contents.
Completeness Scorecard
Green: 95% or moreAmber: 80–94.9%Red: below 80%
Drop a CSV here or choose a file
Maximum 20 MB · First row must contain column headings
—Complete cells
—Data rows
—Columns
—Missing cells
Column review
Blank cells and common missing-value markers are counted as missing.
| Column | Completeness | Missing | Status |
|---|
Kithms analytics never receive your filename, column headings, cell values, row counts, completeness score, or exported report. Closing or refreshing this tab clears the working data from the page.
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