Generate a full favicon kit
From a single source image, get the .ico, every PNG size and a ready-to-paste HTML snippet.
How it works
1
Drop an image
PNG, JPG, WebP or SVG. Square at 512px+ gives the crispest result.
2
Pick options
Optional flat background for transparent sources.
3
Download the ZIP
Includes favicon.ico, every size, and a ready-to-paste HTML snippet.
Why use Toolstack's Favicon Generator?
100% private
Your file never leaves your device — everything runs locally in your browser.
Instant
No upload, no queue. The result is ready as soon as your laptop finishes the math.
Free forever
No signup, no credit card, no daily limits for the core features.
Open standards
We use proven open-source libraries — no proprietary lock-in, no shady tracking.