Pull single column fields and attributes from tabular CSV files.
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.
Enter tabular CSV records.
Type column header name or index number.
Copy extracted column entries.
Yes, entering '1' extracts the first column, '2' extracts the second, etc.
Zero-egress companion tools in the Unit & Code Converters suite
Convert metric and imperial units across 8 measurement categories with live matrix.
Encode plain text to Base64 or decode Base64 back to text.
Convert pixels to rem and em values with custom base font size.
