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Free Excel/CSV Template Validator

Define your expected columns (name, required, type) and validate pasted CSV/Excel data against the template — structure, required values, and per-column types.

By ERPat Data Team Version 1.0.0 Last Reviewed 2026-06-24 0 0 0

Calculator

How it's calculated

  • • Parses your column spec (Name | required|optional | text|number|date|email) and the data's header row, then reports missing/extra columns, missing required cells, and per-column type mismatches with original line numbers.
  • • Excel files must be saved as CSV first. Runs in your session; data is not stored.

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