Multi-Rule Integrity & Schema Auditor

CSV Data Validator

Audit spreadsheets for missing values, malformed emails, invalid dates, and schema anomalies with zero server uploads.

Drop your CSV file here to validate

Configure validation rules per column and inspect anomaly reports.

Total Rows
0
Valid Rows
0
Error Rows
0
Configure Column Validation Rules
Validation Anomaly Log
Row # Column Invalid Cell Value Issue Description

Frequently Asked Questions

You can enforce required/not-null checks, email syntax validation, numeric/decimal ranges, standard date formatting (YYYY-MM-DD or MM/DD/YYYY), and valid web URLs per column.
Yes. Once the audit completes, you can download a sanitized CSV containing only rows that passed all validation rules or export a separate error report.
No. The entire validation and pattern-checking engine executes 100% in your local browser runtime memory.

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