Bootstrap introduced their icons collection in November 2019 as Bootstrap Icons (v1.0.0-alpha). At that time, they had only 213 icons. As of January 2022, they’ve 1500+ icons in their library. You can use Bootstrap Icons with or without Bootstrap in any project.

To include Bootstrap Icons in a sass file is simple. You just have to make sure you used the correct font files’ location in $bootstrap-icons-font-src variable –

$bootstrap-icons-font-src: url("../webfonts/bootstrap-icons.woff2") format("woff2"),
url("../webfonts/bootstrap-icons.woff") format("woff");

@import "~bootstrap-icons/font/bootstrap-icons.scss";