Convert CSV to JSON and JSON to CSV with custom delimiters and exports.
Execution runs 100% locally inside the browser sandbox using HTML5 Canvas, Web Cryptography Subtle API, and Web Workers. Zero egress.
Zero network latency. Operates completely offline with zero dependencies on third-party backend servers or cloud services.
Built according to official RFC specifications, cryptographic test vectors, and enterprise-grade data transformation standards.
Paste your raw CSV text or JSON array into the editor.
Configure column delimiters (comma, tab, semicolon, pipe) and header row options.
Export the parsed JSON payload or formatted CSV spreadsheet file.
Yes, RFC 4180 standard quotation and escaped characters are accurately parsed.
Yes, streaming client-side parsing easily handles tens of thousands of spreadsheet rows.
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