CSV to Excel
Convert a CSV file to Excel (.xlsx) in your browser. Download a real spreadsheet — nothing is uploaded.
Excel viewer
Open and browse Excel .xlsx or .xls in a paginated table in your browser. No upload required.
Drop an Excel file here or click to choose
Browse locally — nothing is uploaded
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How to use Excel viewer
Open and browse an Excel sheet in a table. Pick a sheet and page through rows locally.
Everything runs locally in your browser — your files are never uploaded to a server.
Excel viewer FAQs
How do I view an Excel file online without Excel?
Drop an .xlsx or .xls file, pick a sheet, and browse rows in a paginated table in your browser.
Is the Excel viewer free?
Yes. Every Excel and CSV tool on ReallyUseful.Tools is free to use, with no account or subscription required.
Are my files uploaded?
No. Files are processed in your browser on this device. Nothing is uploaded to our servers.
Do I need Microsoft Excel installed?
No. These tools run in a modern web browser, so you do not need Microsoft Excel or desktop spreadsheet software installed.
More Excel/CSV
Excel to CSV
Convert Excel .xlsx or .xls to CSV in your browser. Choose a sheet and delimiter, then download.
CSV viewer
Open and browse a CSV in a paginated table in your browser. No upload — view large files locally.
Merge CSV files
Combine multiple CSV files into one in your browser. Rows are stacked and headers aligned by name.
CSV to XML
Convert CSV rows into structured XML in your browser. Each row becomes an element — nothing is uploaded.