Browse the Spreadsheet station →
What does this tool do?
CSV to Excel: csv text, csv file, sheet name → xlsx file, row count, column count. Process locally in your browser. Inputs: CSV text, CSV file, Sheet name. Outputs: XLSX file, Row count, Column count.
How to use it?
Provide the listed input and choose Process. Review the result, then copy or download where available. Clear removes inputs and results.
Browser-local processing. No uploads, content logging, persistence or remote resource loading. Generated markup is inert text; files are treated as untrusted data.
Browser-local XLSX processing in a cancellable worker. No macros, formula evaluation, uploads or content telemetry. Formula expressions are preserved, but Code Station does not recalculate Excel formulas.
Choose file OR text. First row is headers; values are preserved as text.