See an example here

Install the Figma plugin and follow the instructions to view any layer in Figma as a live favicon in your browser tab.

Favicon Viewer

  • Select layer(s) in Figma
  • Click Set favicon
  • Copy link to Figma file (Cmd + L)
  • Open faviconviewer.com
  • Paste link and click View
  • Select a favicon to preview

Select layer(s)

Favicon(s)

No favicons set