Favicon tester
Check what favicons a website has and what devices they support
Check Favicon
Favicon Generator Resources
RealFaviconGenerator
Comprehensive favicon generator for all platforms
Favicon.io
Free favicon generator from text, image, or emoji
SVG Favicon
Create and customize SVG favicons
Favicon Generator (by favicon-generator.org)
Simple favicon generator with multiple sizes
Maskable.app
Create maskable icons for PWAs