LightCell

LightCell is a native macOS spreadsheet app for opening, editing, and saving .xlsx, .xls, and .csv files.

Built for clarity and speed, LightCell focuses on the core spreadsheet workflow:

open existing workbooks quickly
work with large sheets smoothly
edit cells, formulas, styles, borders, and alignment
save back to Excel-compatible formats
manage multiple documents in separate windows
Key features:

Open .xlsx, .xls, and .csv
Save and export .xlsx and .csv
Fast loading for large worksheets
Formula bar with autocomplete and function help
Built-in function reference screen
Copy and paste as text, HTML, and image
Cell formatting tools for fonts, colors, borders, alignment, number formats, and text orientation
Merge and split cells
Auto-fit rows and columns
Print support
Undo and redo
Multiple document windows
LightCell is designed for people who need a practical spreadsheet tool on macOS without unnecessary clutter.

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