Every React project I've worked on eventually adds a favicon generation dependency. favicons alone pulls in sharp, which pulls in native binaries, which breaks on that one teammate's M1 Mac and eats 15 minutes of your afternoon. I got tired of it and built a zero-dependency favicon generator using nothing but the Canvas API. It ships all six sizes you need for a modern web app in under 50 lines.
What You Actually Need in 2026
The minimum favicon set has grown. Here's what covers every major browser and platform:
File
Size
