How to Use Icons in Shadcn UI with Next.js

In this section, we’ll see how to use icons in Next.js with ShadCN UI. ShadCN UI includes Lucide-React icons by default, and you also have the option to incorporate SVG icons from Heroicons.

npm install lucide-react
# yarn
yarn add lucide-react

Next.js 13 with Shadcn UI Icons: Small, Medium, and Large Sizes.

import { Mail } from "lucide-react"

export default function DemoIcon() {
  return (
    <div className="flex gap-4">
      <Mail className="h-4 w-4" />
      <Mail className="h-6 w-6" />
      <Mail className="h-8 w-8" />
      <Mail className="h-12 w-12" />
      <Mail className="h-16 w-16" />
    </div>
  )
}

Next.js with Shadcn UI button with Icon using lucide-react icon.

import { Mail } from "lucide-react"

import { Button } from "@/components/ui/button"

export default function DemoIcon() {
  return (
    <Button>
      <Mail className="mr-2 h-4 w-4" />
      Send Mail
    </Button>
  )
}

If you prefer using SVG icons in Next.js with Shadcn UI, you can easily integrate icons from heroicons.com. or you can install @heroicons/react.

npm install @heroicons/react

Next.js with Shadcn UI SVG Icons: Small, Medium, and Large Sizes.

export default function DemoIcon() {
  return (
    <div className="flex gap-4">
      <svg
        xmlns="http://www.w3.org/2000/svg"
        fill="none"
        viewBox="0 0 24 24"
        strokeWidth={1.5}
        stroke="currentColor"
        className="w-4 h-4"
      >
        <path
          strokeLinecap="round"
          strokeLinejoin="round"
          d="M21.75 6.75v10.5a2.25 2.25 0 01-2.25 2.25h-15a2.25 2.25 0 01-2.25-2.25V6.75m19.5 0A2.25 2.25 0 0019.5 4.5h-15a2.25 2.25 0 00-2.25 2.25m19.5 0v.243a2.25 2.25 0 01-1.07 1.916l-7.5 4.615a2.25 2.25 0 01-2.36 0L3.32 8.91a2.25 2.25 0 01-1.07-1.916V6.75"
        />
      </svg>
      <svg
        xmlns="http://www.w3.org/2000/svg"
        fill="none"
        viewBox="0 0 24 24"
        strokeWidth={1.5}
        stroke="currentColor"
        className="w-6 h-6"
      >
        <path
          strokeLinecap="round"
          strokeLinejoin="round"
          d="M21.75 6.75v10.5a2.25 2.25 0 01-2.25 2.25h-15a2.25 2.25 0 01-2.25-2.25V6.75m19.5 0A2.25 2.25 0 0019.5 4.5h-15a2.25 2.25 0 00-2.25 2.25m19.5 0v.243a2.25 2.25 0 01-1.07 1.916l-7.5 4.615a2.25 2.25 0 01-2.36 0L3.32 8.91a2.25 2.25 0 01-1.07-1.916V6.75"
        />
      </svg>
      <svg
        xmlns="http://www.w3.org/2000/svg"
        fill="none"
        viewBox="0 0 24 24"
        strokeWidth={1.5}
        stroke="currentColor"
        className="w-8 h-8"
      >
        <path
          strokeLinecap="round"
          strokeLinejoin="round"
          d="M21.75 6.75v10.5a2.25 2.25 0 01-2.25 2.25h-15a2.25 2.25 0 01-2.25-2.25V6.75m19.5 0A2.25 2.25 0 0019.5 4.5h-15a2.25 2.25 0 00-2.25 2.25m19.5 0v.243a2.25 2.25 0 01-1.07 1.916l-7.5 4.615a2.25 2.25 0 01-2.36 0L3.32 8.91a2.25 2.25 0 01-1.07-1.916V6.75"
        />
      </svg>
      <svg
        xmlns="http://www.w3.org/2000/svg"
        fill="none"
        viewBox="0 0 24 24"
        strokeWidth={1.5}
        stroke="currentColor"
        className="w-12 h-12"
      >
        <path
          strokeLinecap="round"
          strokeLinejoin="round"
          d="M21.75 6.75v10.5a2.25 2.25 0 01-2.25 2.25h-15a2.25 2.25 0 01-2.25-2.25V6.75m19.5 0A2.25 2.25 0 0019.5 4.5h-15a2.25 2.25 0 00-2.25 2.25m19.5 0v.243a2.25 2.25 0 01-1.07 1.916l-7.5 4.615a2.25 2.25 0 01-2.36 0L3.32 8.91a2.25 2.25 0 01-1.07-1.916V6.75"
        />
      </svg>
      <svg
        xmlns="http://www.w3.org/2000/svg"
        fill="none"
        viewBox="0 0 24 24"
        strokeWidth={1.5}
        stroke="currentColor"
        className="w-16 h-16"
      >
        <path
          strokeLinecap="round"
          strokeLinejoin="round"
          d="M21.75 6.75v10.5a2.25 2.25 0 01-2.25 2.25h-15a2.25 2.25 0 01-2.25-2.25V6.75m19.5 0A2.25 2.25 0 0019.5 4.5h-15a2.25 2.25 0 00-2.25 2.25m19.5 0v.243a2.25 2.25 0 01-1.07 1.916l-7.5 4.615a2.25 2.25 0 01-2.36 0L3.32 8.91a2.25 2.25 0 01-1.07-1.916V6.75"
        />
      </svg>
    </div>
  )
}

Next.js with Shadcn UI button with SVG Icon using heroicons icon.

import { Button } from "@/components/ui/button"

export default function DemoIcon() {
  return (
    <Button>
      <svg
        xmlns="http://www.w3.org/2000/svg"
        fill="none"
        viewBox="0 0 24 24"
        strokeWidth={1.5}
        stroke="currentColor"
        className="mr-1 w-4 h-4"
      >
        <path
          strokeLinecap="round"
          strokeLinejoin="round"
          d="M21.75 6.75v10.5a2.25 2.25 0 01-2.25 2.25h-15a2.25 2.25 0 01-2.25-2.25V6.75m19.5 0A2.25 2.25 0 0019.5 4.5h-15a2.25 2.25 0 00-2.25 2.25m19.5 0v.243a2.25 2.25 0 01-1.07 1.916l-7.5 4.615a2.25 2.25 0 01-2.36 0L3.32 8.91a2.25 2.25 0 01-1.07-1.916V6.75"
        />
      </svg>
      Send Mail
    </Button>
  )
}

Aaronn