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Excel & CSV Viewer

View and explore Excel, CSV and spreadsheet files directly in your browser. No upload, no signup.

Drop your file here, or click to browse

Supported: .xlsx, .xls, .csv, .ods

Frequently Asked Questions

What is Excel Viewer?+

Excel Viewer is a free online tool that lets you open and explore Excel (.xlsx, .xls), CSV, and ODS spreadsheet files right in your browser — no software installation needed.

Is my data safe?+

Absolutely. All file processing happens entirely in your browser using client-side JavaScript. Your files are never uploaded to any server.

What file formats are supported?+

The tool supports .xlsx, .xls (Excel), .csv (Comma-Separated Values), and .ods (OpenDocument Spreadsheet) files.

Can I view files with multiple sheets?+

Yes. If your workbook contains multiple sheets, tabs will appear at the top of the viewer so you can switch between them instantly.

How does row and column highlighting work?+

Simply hover over any cell — the entire row and column will be highlighted simultaneously, making it easy to trace data across large spreadsheets.

Can I sort and filter the data?+

Yes. Click any column header to sort the data ascending or descending. Use the search bar to instantly filter rows across all columns.

Do I need to create an account or login?+

No, you don't need to create an account or login. All our tools are free to use without any user registration.