XLSX to CSV Converter
Convert any Excel sheet to CSV — pick a delimiter, pick a sheet, or zip all sheets at once. Runs in your browser, no upload.
Drag a .xlsx or .xls file here or
Supports XLSX, XLS, ODS — picks each sheet separately.
How to use XLSX to CSV
- Drop a spreadsheet file or click browse.
- Pick the sheet and delimiter.
- Copy the CSV or download as .csv (or download all sheets as .zip).
What is XLSX to CSV?
Loads .xlsx, .xls, and .ods spreadsheets via SheetJS in the browser. You can pick which sheet to export, choose the CSV delimiter (comma/semicolon/tab/pipe), and either download one sheet or bundle every sheet into a single ZIP.
FAQ
- What about formulas?
- Cell values are exported — the result of formulas, not the formulas themselves.
- Are number formats preserved?
- Numbers export as raw values (no thousand separators or currency symbols). Use the JSON exporter if you need typed values.
Related tools
People also use
- CSV to XLSX💼 Office Tools
CSV to XLSX — Wrap a CSV file (or pasted CSV) into a single-sheet Excel .xlsx file. Pick the delimiter, sheet name, and output filename.
- XLSX to JSON💼 Office Tools
XLSX to JSON — Convert any Excel sheet to JSON — array of objects keyed by header row, or array of arrays with no header.
- CSV Studio📊 CSV Tools
CSV Studio — Drop a CSV file (or load 100-row demo data) and explore it like a power tool: filter rows, sort by multiple columns, bulk-update cells, vis...