Sometimes, you may want to add custom icons to your Flutter application. In this tutorial, I will show you how to add custom icons to your Flutter application.
Pre-requisites
First of all, upload your icons(.svg) to fluttericon.com and generate a font. Then download it.

Now, Create the fonts/ folder and add the downloaded font CustomIcons.ttf, then modify the pubspec.yaml file:
fonts:
- family: CustomIcons
fonts:
- asset: fonts/CustomIcons.ttfFinally, copy the custom_icons.dart file to lib/config
How use Custom Icons?
To use the custom icons, you need to import the custom_icons.dart file and use the icon name.
Icon(
CustomIcons.bookmark_outline,
color: Colors.white,
size: 50,
),References