Private browser tool

XLSX Viewer

Open XLSX and XLS spreadsheets in your browser, inspect sheets, edit cells and export to spreadsheet or data formats.

• Open Excel workbooks directly in the browser.
• Edit cells in the Tables / Sheets workspace.
• Export to XLSX, ODS, CSV, TSV, JSON, NDJSON or HTML.

Fernwork tools run client-side in your browser. Files are processed locally instead of being uploaded to a server.