Duplicate Customer Finder
Acme Roofing. Acme Roofing LLC. acme roofing inc. Three rows, one customer — and now your customer count is wrong, their revenue history is split three ways, and the mail merge sends them three copies.
Nothing uploads. The matching runs entirely in your browser — there is no server to send your customer list to. Check the network tab: zero requests after load.
It picks the most name-like column automatically — switch it above if it
guessed wrong. Excel users: File → Save As → CSV first.
Deciding which spelling is the real record — and re-pointing every invoice, job and contact at it without losing history — is judgment work, not a script. That's what the $300 flat cleanup does, or start with a free 1-day demo on your real data.
Get it done on your real list — freeAlso try the Spreadsheet Health Check (dead columns, mixed dates, exact duplicate rows) and the Money Leak Finder (work done vs. work billed).