Excel Viewer – View Excel Files Online Free
Open, inspect, search, filter, and explore Excel workbooks (.xlsx, .xls, .xlsm) locally in your browser. Multi-sheet navigation, column sorting, and formula toggles with 100% privacy.
Excel Viewer Features
Browse worksheets, sort columns, and inspect formulas locally
📑 Multi-Worksheet Tabs
Switch between multiple sheets within the same workbook using responsive tab controls.
📌 Column Letters & Row Numbers
Excel-style grid references (A, B, C... 1, 2, 3...) with sticky header freezing.
🧮 Formula Toggle (Fx)
Toggle between calculated cell values and underlying Excel formulas (`=SUM(...)`).
↕️ Column Sorting & Filtering
Sort any column numerically or alphabetically, and search active sheet content dynamically.
📊 Workbook Statistics
Track sheet counts, populated cell metrics, formula counts, merged cells, and file size.
🔒 100% Client-Side Privacy
Workbooks are processed inside your browser RAM. Zero files are uploaded to any server.
How to Use Excel Viewer
Open Excel File
Click Browse Excel File, drag & drop a .xlsx or .xls workbook, or click Load Sample Workbook.
Browse Worksheets & Search
Click worksheet tabs at the top to navigate sheets. Search for data across cells or toggle formulas on/off.
Export Data
Click Export Sheet as CSV to download your active sheet data or click Copy View to copy rows to your clipboard.
Frequently Asked Questions
Is my Excel file safe when using this Excel Viewer?
Yes, 100%. Your Excel file (.xlsx, .xls, .xlsm) is parsed and rendered entirely inside your web browser's local memory using client-side JavaScript. Zero data or files are uploaded to any external server.
Which Excel file formats are supported?
The tool supports .xlsx, .xls, .xlsm, .csv, and .tsv spreadsheet formats.
Can I switch between multiple worksheets?
Yes! The workbook sheet tabs appear at the top of the table, allowing you to seamlessly switch between worksheets.
Can I view cell formulas and export data?
Yes, click Show Formulas to toggle cell formulas, or click Export Sheet as CSV to download active worksheet data.