Validate CSV

Check schema, row length, and types. Private and fast.

CSV Input

Detected delimiter: ","

Validation Report

Run validation to see report.

No issues found.

Common validation rules

Required headers present and unique
Row length equals header length
Column types: integer, number, boolean, timestamp, string

Advanced: JSON Schema

Define a JSON Schema for your CSV rows and validate each object after parsing. This catches ranges, enums, and formats.

FAQ

What does the validator check?: Headers, row length consistency, and basic type checks; extendable with JSON Schema.
Is it private?: Yes, validation runs in your browser without uploads.