Spreadsheet Health Check

In plain English

What it does
Looks at a spreadsheet you already have and tells you which parts of it can no longer be trusted — columns that are empty, dates written five different ways, the same row entered twice.
Why it helps
Bad data quietly makes bad numbers. If a column is half blank or a customer is in there twice, every total built on it is wrong and nothing warns you. This shows you exactly where, and offers a cleaned copy back.
What you need
One file you already have — an export from Excel, Google Sheets, QuickBooks or your job software. Spreadsheet (.xlsx) or CSV both work.
How long
About ten seconds. The file never leaves your computer — there is nowhere here to send it.

Drop any CSV export from Excel, Google Sheets, QuickBooks or your job software and get an instant, honest report: columns that carry no information, status fields that never vary, mixed date formats, duplicate rows.

Nothing uploads. Ever. The analysis runs entirely in your browser — this page has no server to send your file to. Verify it yourself: open your browser's network tab; after the page loads it makes zero requests.

Drop a .csv file here or click to choose one · stays on your machine

Excel files work directly — drop the .xlsx as-is (every sheet is scanned, the busiest analyzed); this tool deliberately reads only plain text it can analyze in front of you.

Want these fixed by a real person?

The $300 flat cleanup fixes everything above in 24–48h — or start with a free 1-day demo on your real data, keep it either way.

See the cleanup service

Tracking work against invoices? The Money Leak Finder lines up both exports and shows only the mismatches — same rule, nothing uploads. Same customer entered three ways? The Duplicate Customer Finder shows your real count.