Free Tool
Check Your Dataset for Missing Values
Missing values rarely announce themselves. A field looks fine until you realize a third of it is blank, or an export silently dropped the last 10,000 rows. Upload your file and get a per-field null-rate report — so you know exactly what's missing and whether it matters.
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What the report shows
- Null rate for every field, ranked worst-first
- Empty strings and placeholder values masquerading as data
- Silent truncation — rows that got cut without an error
- Fields complete enough to use vs. fields to drop or impute
- How missingness clusters across records
- Completeness scored alongside 5 other readiness dimensions
Decide what to do about the gaps with Data Hygiene: The Hard Truth About Your Data, or run a full audit with the free AI Data Readiness Checklist.