A startup from India that is founded by Mihir Parmar.
Local CSV runs entirely client-side โ every file you drop in is parsed, cleaned, converted, and exported inside your own browser tab. It never touches a server, not even briefly for processing. Most "free" CSV tools online quietly upload your file to do the work; Local CSV was built specifically not to, which also means no file-size limits imposed by a server queue, no account needed, and no risk of a company's server ever seeing what's in your spreadsheet.
Because the alternative usually means uploading a spreadsheet โ which might contain customer records, financial data, or anything else you'd rather not hand to a third-party server โ just to dedupe or reformat it. Local CSV skips that step entirely: same core tasks (clean, convert, merge, validate CSV data) without the upload. It's also free with no feature paywall, no login wall, and no artificial row/file limits โ the tool works the same whether your file has 50 rows or 50,000.
People who work with messy exported data regularly but aren't spreadsheet power-users by trade โ small-business owners cleaning customer lists, freelancers and analysts reformatting client exports, HR/ops teams handling employee or vendor CSVs, developers who need a quick JSON/SQL conversion without opening Excel, and anyone privacy-conscious enough to prefer a tool that doesn't ask them to upload a file first.
It started from a recurring, small frustration: needing to quickly clean or convert a CSV file and finding that every free tool online wanted the file uploaded to "their" server first โ for something as simple as trimming whitespace or fixing duplicate rows. Local CSV was built to remove that step entirely, using what the browser can already do on its own, and grew from a single cleanup tool into a fuller suite of CSV utilities that all keep the same promise: the file never leaves your device.
Vanilla HTML5, CSS3, and JavaScript โ no backend, no build framework. CSV parsing runs client-side via PapaParse. The entire product is static files served over standard web hosting, with all processing happening in-browser rather than on any server.
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