Free online tool

Convert CSV to XLSX online

Convert CSV to XLSX online, configure compatible options and download the result without registration.

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Drop your files here or click to select them from your device Select files Accepted formats: CSV Up to 1 file, 20 MB per file

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How to configure the result

Each option controls a specific part of processing. Keep defaults when you do not need to control that aspect.

Controls how input encoding, structure or schema is interpreted.
Controls how input encoding, structure or schema is interpreted.
Specifies pages, sheets, slides, rows or columns affected by the action.
Enable Format the output only when this behavior should be applied to the result.
Private, temporary processingFiles are deleted automatically after 60 minutes.

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Data

What Convert data does

This conversion accepts CSV files and creates a XLSX result. Only settings compatible with this pair are shown.

Compatibility and limits

Input formats
CSV
Results
XLSX
Number of files
Minimum 1, maximum 1
Maximum total size
24 MB
FAQ

Frequently asked questions

It depends on both formats and the selected settings. The original is unchanged so you can compare the result before using it.

It is used only as temporary input. The download contains a new file in XLSX format.

The tool generates XLSX. When an operation produces several items, they may be grouped in a ZIP.
Tools

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