ComingUp
Listwipe — Client-side CSV/Excel List Cleaner
Drop a messy contact list, get a clean one back. Runs entirely in the browser.
About
Listwipe is a lightweight web tool that cleans messy CSV/Excel files — the kind every freelancer, agency, or small business ends up with (duplicate leads, inconsistent name casing, mismatched phone formats, blank rows).What it does:- Removes exact duplicate rows- Flags near-duplicates (same email/phone, different name spelling) — never auto-deletes, just marks for review- Normalizes emails, phone numbers, and names to a consistent format- Drops fully blank rows- Exports to clean CSV or ExcelWhy it's easy to take over:- Single HTML file, vanilla JS — no backend, no database, no auth, nothing to host beyond static files- Two free CDN libraries (PapaParse, SheetJS), zero paid dependencies- Fully client-side, so there are no server costs, everIncludes full source code, the live demo, a short walkthrough of the code, and setup support for 7 days after purchase.
Comments (4)
competes with free python scripts
just a papaparse wrapper? line height is too tight.
what csv parsing lib are you using, papaparse or something custom
whats the dedup strategy, fuzzy matching or just exact?
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