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Formats / XLSX

Convert XLSX files

Convert XLSX (Excel Workbook) files into 26 formats, right in your browser. .xlsx · application/vnd.openxmlformats-officedocument.spreadsheetml.sheet

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About this format

Excel's format since 2007: multiple sheets, formulas and formatting, stored as XML in a zip.

What it can hold

  • Multiple sheets
  • Formulas and references
  • Cell and conditional formatting
  • Charts and pivots
  • Data validation

When you convert it

XLSX → CSVOnly the values of the first sheet survive. Formulas, formatting and other sheets are all gone — send a csv without knowing this and the calculations die.
XLSX → PDFPrinted as it appears. A wide sheet splits across pages.
XLSX → JSONThe table becomes an array of objects. Merged cells come out oddly.

When it will not open

  • Actually an .xls with a renamed extension
  • Contains macros (.xlsm) but was renamed to .xlsx
  • External references broken — opens, but shows #REF!

In one line Use csv only to feed data into another program. If a person will look at it, keep xlsx.

Convert this format into · 26

XLSX→CSVXLSX→DOCXLSX→DOCXXLSX→FODSXLSX→HTMLXLSX→ICSXLSX→JSONXLSX→MDXLSX→NDJSONXLSX→ODSXLSX→ODTXLSX→OTSXLSX→PARQUETXLSX→PDFXLSX→RTFXLSX→SQLXLSX→SQLITEXLSX→TOMLXLSX→TSVXLSX→TXTXLSX→VCFXLSX→XLSXLSX→XLTXLSX→XLTXXLSX→XMLXLSX→YAML

Convert into this format · 26

CSV→XLSXDBF→XLSXDIF→XLSXFODS→XLSXGEOJSON→XLSXICS→XLSXINI→XLSXJSON→XLSXNDJSON→XLSXNUMBERS→XLSXODS→XLSXOTS→XLSXPARQUET→XLSXSLK→XLSXSQLITE→XLSXSXC→XLSXTOML→XLSXTSV→XLSXVCF→XLSXWK1→XLSXXLS→XLSXXLSM→XLSXXLT→XLSXXLTX→XLSXXML→XLSXYAML→XLSX

Frequently asked questions

How do I convert a XLSX file?

Drop the file into the window, pick the target format, and download the result. No account required.

Do I need to install anything?

No. It runs in your browser. A Windows installer is available separately if you prefer one.

What if the format I want isn't listed?

Every engine's capabilities are merged into a single graph, so unlisted pairs are chained automatically through intermediate formats along the least-lossy route.