FileKeeps

Excel (XLSX) viewer & editor

Open Excel/CSV in your browser and edit cell values in place — files never leave your device

On-Device

1. Choose a document

Open Excel/CSV (.xlsx/.xls) in your browser with nothing to install. Sheets show as tables with formatting and merges preserved, and you can edit cell values in place and save. Files are never sent to a server.

What you can do

  • ✓View sheets as tables (formatting & merges kept)
  • ✓Inline cell editing
  • ✓Save with formatting kept (.xls included)
  • ✓No install or upload

How to use

  1. 1Add or drop an Excel file
  2. 2Sheets show as tables
  3. 3Edit cells and save

Supported formats · XLSX · XLS