A native spreadsheet for the files you already have.
Open .xlsx, .xls, and .csv. Sort, filter, fill, array formulas. Editor free; Excel and CSV export plus print are a one-time purchase.


LightCell is a native 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
- Sort one column or several, and filter visible values per column
- Fill handle to extend a series
- Whole-column and array formulas
- 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
- Sort and filter
- Fill handle
- Whole-column and array formulas
- 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 without unnecessary clutter.
Open the file. Keep working.
Available now on the Mac App Store and the Microsoft Store.