Convert Excel, CSV and ODS Files
Open common spreadsheet formats in your browser and convert them to XLSX, CSV, ODS or an HTML table.
🔒 Selected files are processed in your browser and are not uploaded to TOOLKIT servers.
Ad
How to use this tool
- Choose an XLS, XLSX, CSV or ODS file.
- Select XLSX, CSV, ODS or HTML as the output format.
- Convert the file and save the result.
Helpful notes
CSV and HTML export the first sheet
When exporting to CSV or HTML, TOOLKIT uses the first worksheet. XLSX and ODS output can preserve multiple sheets.
Formatting can vary
Spreadsheet conversion focuses on data and common cell structures. Complex charts, macros, advanced formulas or layout features may not reproduce exactly.