Compare software

SmoothCSVMicrosoft Excel
Free

Free to download; the site lists no paid tier.

 Freemium

Free online version; the desktop app and Copilot features come with paid Microsoft 365…

Windows, macOS, Linux Windows, macOS, Android, iOS, Web
  • Opens large CSV files quickly
  • Familiar spreadsheet-style grid with multi-cell editing
  • Widely used file format and formula language
  • Free collaborative editing in the browser
  • Focused on CSV only, not a full spreadsheet with formulas and charts
  • Maintained by one developer in spare time
  • Full desktop app needs a Microsoft 365 subscription
  • Copilot features are tied to paid plans
Downloadable app Downloadable app, Web application
Closed source Closed source
License not stated License not stated
Not stated if an account is needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked October 1, 2026

Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.