Spreadsheet converter

Convert spreadsheets online for free and without registration
to
Select or drag & drop files to begin.

Supported formats

MiConv supports 4 spreadsheet file formats. Find and select the required format in the table below.
Name
Converter
Rating
csv (Comma-Separated Values)
9.6
ods (OpenDocument Spreadsheet)
9.56
xls (Microsoft Excel Spreadsheet (Binary))
9.4
xlsx (Microsoft Excel Spreadsheet (Open XML))
9.6

Frequently asked Questions

❓ How to convert spreadsheets online?
Upload your spreadsheet to the form. Select the target format and click "Convert". Download the file when the spreadsheet is converted.
❓ What if the spreadsheet format I need is not in the list of supported formats?
Let us know which spreadsheet format you would like to see on our site. We will check if we can add it.
❓ Are there any limits on spreadsheet conversion?
Spreadsheet conversion is a process that requires significant server resources. You can convert no more than 120 files in 1 hour. The maximum file size is 75 MB.
❓ Can I convert spreadsheets on a mobile device?
Yes, Miconv works on any platform and device that has a web browser.

Why Choose MiConv?

Enjoy secure, fast, and effortless file conversion – all in your browser.
No Downloads Needed

Convert files directly in your browser – no software, no hassle.

Your Files Stay Private

Only you can access your files. Everything gets deleted automatically in 2 hours.

Fast. Simple. Free.

2 clicks, zero cost. MiConv is always free for everyone.

Popular Conversions

MiConv has converted over 500,000 spreadsheets since 2020

So you're in good company! 👍🏻