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Product Description
Stop fighting broken CSV exports.
Your CRM, Shopify, or Google Forms export opens as one garbled column. Excel freezes — or silently strips the leading zeros off your IDs. And the "free" online cleaner wants you to upload your customer list to who-knows-where.
CSVPrune fixes all of that, right on your PC. It's a fast, private CSV cleaner, viewer, and converter that opens the messy files everything else chokes on — and never sends your data anywhere.
Open the files that break Excel • Scroll, search, filter, and sort 100,000+ row files instantly — no row-limit wall, no freezing. • Fix the encoding and delimiter problems that corrupt exports: UTF-8, UTF-16, Latin-1, and comma, semicolon, tab, or pipe separators. • Keep leading zeros and long IDs intact — never silently mangled. • Flip between your original and cleaned data with one click to see exactly what changed.
Clean and transform in a few clicks • Trim whitespace, normalize emails, and standardize text, numbers, dates, and booleans. • Remove exact duplicates — or catch near-duplicates with smart fuzzy matching. • Find & replace with plain text or full regex, scoped to any column. • Profile your columns, spot invalid values, and get an instant data-quality score. • Build new columns with formulas, and mask sensitive fields (emails, phones, IDs) when you need to share.
Clean once, replay forever • Save your exact cleaning steps as a named recipe and reapply them to next week's export in one click. • Export to CSV, JSON, or XLSX.
Private by design — and you can prove it • No cloud. No telemetry. No network calls of any kind. • Everything runs in memory on your machine; open a network monitor and watch it make zero connections. • Clear or disable your recent-files history whenever you want.
Built for the people drowning in spreadsheets — analysts, marketers, e-commerce sellers, developers, and anyone who wrangles CRM, payroll, or survey exports.
One-time purchase. No subscription. No account. Buy it once and own it.
Download CSVPrune and turn a messy export into clean, usable data — in seconds, and in private.
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