Check a CSV before you move it into a CRM.
Find duplicate record IDs, missing required values, invalid email syntax, missing owners, and date-format issues in a working copy. The check runs in this browser tab.
Privacy boundary: your text is not uploaded by this page. Do not paste protected or customer data into a demo tool; use synthetic or owner-approved data only.
Paste a CSV working copy
Ready. Nothing has been uploaded.
Need a repeatable review?
For an offline kit with a field guide, checklist, and reusable map template, see the USD 19 CRM Import Readiness Kit. For a bounded review of a real export, see the USD 149 Website Conversion Repair Pilot or submit a request from the Northvault intake.
This tool does not connect to a CRM, read XLSX files, verify identity or consent, or certify an import.