Data Quality Scorer

Analyse any CSV dataset for completeness, consistency, validity, and duplicates — get an overall health score with recommendations

Sample data — import your own data to get started Template
Select a CSV or TXT file to upload

Paste CSV data directly — useful when file uploads are blocked by corporate proxy (Zscaler, etc.)

Paste a JSON array of objects. Keys become column headers.

Publish your Google Sheet first: File → Share → Publish to web → CSV, then paste the URL below. You can also paste a normal edit URL and we'll try to convert it.

Scans for missing data, inconsistencies, invalid values, and duplicates
Click Run Quality Analysis to score your dataset