Structural checks
Delimiter consistency, row width, quote balance, blank headers, and malformed records.
CSV Preflight
Find the problems that break CSV imports before they waste your time. Your file stays on your device and is analyzed locally in your browser.
LOCAL PROCESSING • NO FILE UPLOAD
Drop a CSV here
or click to choose a file
CSV only • processed locallyRestore your purchase
Recover a completed purchase without paying again. Your CSV stays on your device. Re-select the same CSV after verification.
Have your Stripe Checkout Session ID?
Paste your Checkout Session ID (starts with cs_) or the Nexron payment-success URL. Do not share it with anyone.
IMPORT READINESS
100
Ready to import
No major structural issues detected.
DIAGNOSTICS
What Nexron found
See what Nexron will change before you pay
Up to 5 examples of actual changes from anywhere in the file. The full repaired CSV and detailed report unlock after payment. Structural issues and data warnings may still require manual review.
REPAIR + REPORT
Unlock the repaired CSV for $3.99
Your file stays on your device. Stripe handles payment securely, and Nexron verifies the purchase before downloads unlock.
Data hygiene
Duplicate rows, blank rows, surrounding whitespace, inferred email/date/number checks, and suspicious formatting patterns.
Safe repair
Repairs only conservative issues automatically, then gives you a new CSV plus a report.