Powered by groupdocs.com and groupdocs.cloud.
By uploading your files or using our service you agree with our Terms of Service and Privacy Policy.
Convert your XLSX files online—no registration needed. No matter your platform—Windows, Linux, or macOS—you can convert your XLSX documents rapidly. Drag and drop your file onto the upload form, pick the output format you need, and hit the convert button. After the conversion is finished, download your CSV file instantly.
Conversion time varies based on the XLSX file's size and complexity, but most files convert within seconds. Our advanced options include converting secured documents and delivering conversion results straight to your inbox.
Easily convert your XLSX documents from any location and any device, even on mobile. This conversion app is always accessible online and free for basic use.
Check our videoXLSX is a widely used file format for spreadsheets, developed by Microsoft as part of the Office Open XML standard, succeeding the older XLS format. It is supported by Microsoft Excel, Google Sheets, LibreOffice Calc, and other spreadsheet applications, ensuring cross-platform compatibility. The format is based on XML and stored in a compressed ZIP container, enabling features like advanced formulas, charts, conditional formatting, and support for large datasets while maintaining smaller file sizes compared to its predecessor.
CSV is a simple, widely used file format for storing tabular data in plain text, making it easy to exchange information between different applications and systems. It is supported by numerous tools, including spreadsheet software like Microsoft Excel and Google Sheets, programming languages like Python and R, and database management systems. The format consists of rows of data separated by line breaks, with each row containing values separated by commas (or other delimiters like semicolons), and it can optionally include a header row, support text encoding, and handle complex data through quoting and escaping mechanisms.
You can also convert XLSX into many other file formats. Please see the complete list below.