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CSV to XLSM Converter

Convert CSV files to XLSM online for free. Upload one file or many and download the XLSM results one by one or all together in a ZIP. No sign-up needed.

convert
CSV
XLSXLSXODSCSVTSVETNUMBERS

No format found

to
XLSM
HTMLPDF
HTMLPDF
PDF
XLSXLSXXLSMODSTSV

No format found

Drop your CSV files here
or click to choose CSV files · up to 95MB each

How to convert CSV to XLSM

  1. Choose your files. Click Select File or drag your CSV files into the upload box. You can add many at once.
  2. Pick the settings. XLSM is already selected as the output format. The conversion starts as soon as a file is added.
  3. Download. Each file appears in the list when it is ready. Download them one by one, or all together with Download all.

CSV – Comma-Separated Values

CSV stores table data as plain text with values separated by commas. Almost every spreadsheet and database can import and export it, but it keeps no formatting or formulas.

More CSV conversions

XLSM – Excel Macro-Enabled Workbook

XLSM is an Excel workbook that can contain macros. Apart from the macros it is the same as XLSX.

More XLSM conversions

Converting CSV to XLSM

Frequently asked questions

How do I convert CSV to XLSM?

Click Select File or drop your CSV file onto the upload box. The converted XLSM appears in the list below with a download button. You can add many files at once and download them together as a ZIP.

Is it really free?

Yes. There is no sign-up and no watermark. To keep the service available for everyone there is a 95MB limit per file and a cap on how many files one connection can process in a short period.

Are my files stored?

Your upload is used only to make the converted file. Images are processed in memory; other files are written to a private temporary folder that is deleted as soon as the conversion finishes. Nothing is kept after the result has been sent back.

Will quality drop?

For images, a little, by design: the image is re-encoded at the Quality you choose (default 75%). Audio and video are re-encoded with high-quality settings; documents keep their text and layout as far as the target format allows. Converting never restores detail that is already missing from the original.

Related converters

How this works: your file is uploaded over HTTPS and converted on this server with open-source engines (libvips for images, FFmpeg for audio and video, LibreOffice and Pandoc for documents, Calibre for ebooks, Ghostscript and Inkscape for PDF and vector files). Images are processed in memory; other files use a private temporary folder that is deleted as soon as the conversion finishes.