🎉 Nucleo 3 is finally here! Use the code party3 for a 20% discount →


Nucleo is a Mac/Windows app to organize, customize and export all your icons, and a library of 31260 icons that work seamlessly with the app.

The Nucleo app interface is organized into 6 main areas:

  • Filters → use the search, set, style, and size filters to narrow the icon results
  • Icon Gallery → all your icons
  • Navigation → move to/from All Icons, Favorites, and Projects
  • Icon Info → Icon name and tags
  • Customization tools → Edit the icon colors, thickness, and add frames
  • Exporter → export the icons in different formats and resolutions
Nucleo interface

Account Settings →

A behind-the-scenes look

Once a month, we share early previews to upcoming app features and icon design tips. Bonus content! we'll send over a beautiful icon pack!

Mailbox illustration