Favicon Generator
One image in, every size and format a browser might ask for.
BeginnerWeb appTool6–14hAI-buildable 5/5no setup
Generate a complete favicon set from a single source: all the PNG sizes, the ICO, the Apple touch icon, and the web manifest entries. Tedious to do by hand, which is exactly why having your own tool for it is satisfying.
UI
Logic
Useful
Hosting · Free forever
Deploys free on GitHub Pages, Cloudflare Pages or Vercel Hobby.
Deploy it and share a link.
Core features · 7
- Upload an image or design a simple text-based icon
- All standard favicon sizes generate automatically
- A live preview shows the icon in a browser tab mockup
- Padding and background colour are adjustable
- The generated HTML link tags are provided to copy
- A web manifest snippet is generated
- Everything downloads as a single archive
The interesting part
- Producing an ICO file, which is a container format not a single image
- Downscaling cleanly so small sizes stay legible
- Bundling multiple generated files into one download
Once it works
- Add maskable icon preview with the safe zone shown
- Add dark mode icon variants
- Add SVG favicon output
Suggested stack
reacttypescripttailwindcanvas-api