Custom icons for your Bitwarden / Vaultwarden vault. Bitwarden shows the favicon of the site each login points at — favico hosts a custom icon at name.favico.app, so entries with no icon (or the wrong one) get a proper one.
How does it add the icon to a Bitwarden entry?
Bitwarden takes an entry's icon from its first web address. So you add https://name.favico.app as URI 1 with match detection set to “Never”— Bitwarden shows that icon but never uses the address for autofill — and your real login URL moves to URI 2, where it still matches and autofills as before.
Before URI 1 https://login.example.com (no icon) After URI 1 https://example.favico.app match = Never ← icon shown here URI 2 https://login.example.com match = default ← still autofills
Want to do your whole vault at once? Use the open-source helper: favico-bitwarden.
To make one now: upload an image, frame the square you want, and name it.