diff --git a/components/notes/header.vue b/components/notes/header.vue
index 4499eb9..89974b9 100644
--- a/components/notes/header.vue
+++ b/components/notes/header.vue
@@ -1,15 +1,28 @@
 <template>
     <div class="rounded flex flex-row items-center gap-3">
-        <NuxtLink :href="urlAsPath" :class="cn('relative size-14', smallLayout && 'size-8')">
-            <Avatar :class="cn('size-14 border border-card', smallLayout && 'size-8')" :src="avatar" :name="displayName" />
-            <Avatar v-if="cornerAvatar" class="size-6 border absolute -bottom-1 -right-1" :src="cornerAvatar" />
-        </NuxtLink>
-        <div :class="cn('flex flex-col gap-0.5 justify-center flex-1 text-left leading-tight', smallLayout && 'text-sm')">
-            <span class="truncate font-semibold" v-render-emojis="emojis">{{
-                displayName
-                }}</span>
+        <HoverCard v-model:open="popupOpen" @update:open="() => {
+            if (!enableHoverCard.value) {
+                popupOpen = false;
+            }
+        }">
+            <HoverCardTrigger :as-child="true">
+                <NuxtLink :href="urlAsPath" :class="cn('relative size-14', smallLayout && 'size-8')">
+                    <Avatar :class="cn('size-14 border border-card', smallLayout && 'size-8')" :src="author.avatar"
+                        :name="author.display_name" />
+                    <Avatar v-if="cornerAvatar" class="size-6 border absolute -bottom-1 -right-1" :src="cornerAvatar" />
+                </NuxtLink>
+            </HoverCardTrigger>
+            <HoverCardContent class="w-96">
+                <SmallCard :account="author" />
+            </HoverCardContent>
+        </HoverCard>
+        <div
+            :class="cn('flex flex-col gap-0.5 justify-center flex-1 text-left leading-tight', smallLayout && 'text-sm')">
+            <span class="truncate font-semibold" v-render-emojis="author.emojis">{{
+                author.display_name
+            }}</span>
             <span class="truncate text-sm tracking-tight">
-                <CopyableText :text="acct">
+                <CopyableText :text="author.acct">
                     <span
                         class="font-semibold bg-gradient-to-tr from-pink-700 dark:from-indigo-400 via-purple-700 dark:via-purple-400 to-indigo-700 dark:to-indigo-400 text-transparent bg-clip-text">
                         @{{ username }}
@@ -21,7 +34,8 @@
             </span>
         </div>
         <div class="flex flex-col gap-1 justify-center items-end" v-if="!smallLayout">
-            <NuxtLink :href="noteUrlAsPath" class="text-xs text-muted-foreground" :title="visibilities[visibility].text">
+            <NuxtLink :href="noteUrlAsPath" class="text-xs text-muted-foreground"
+                :title="visibilities[visibility].text">
                 <component :is="visibilities[visibility].icon" class="size-5" />
             </NuxtLink>
         </div>
@@ -30,31 +44,35 @@
 
 <script lang="ts" setup>
 import { cn } from "@/lib/utils";
-import type { Emoji, StatusVisibility } from "@versia/client/types";
+import type { Account, StatusVisibility } from "@versia/client/types";
 import type {
     UseTimeAgoMessages,
     UseTimeAgoUnitNamesDefault,
 } from "@vueuse/core";
 import { AtSign, Globe, Lock, LockOpen } from "lucide-vue-next";
+import { SettingIds } from "~/settings";
 import Avatar from "../profiles/avatar.vue";
+import SmallCard from "../profiles/small-card.vue";
+import {
+    HoverCard,
+    HoverCardContent,
+    HoverCardTrigger,
+} from "../ui/hover-card";
 import CopyableText from "./copyable-text.vue";
 
-const { acct, createdAt, url, noteUrl } = defineProps<{
-    avatar: string;
+const { createdAt, noteUrl, author, authorUrl } = defineProps<{
     cornerAvatar?: string;
-    acct: string;
-    displayName: string;
-    emojis: Emoji[];
     visibility: StatusVisibility;
-    url: string;
     noteUrl: string;
     createdAt: Date;
     smallLayout?: boolean;
+    author: Account;
+    authorUrl: string;
 }>();
 
-const [username, instance] = acct.split("@");
+const [username, instance] = author.acct.split("@");
 const digitRegex = /\d/;
-const urlAsPath = new URL(url).pathname;
+const urlAsPath = new URL(authorUrl).pathname;
 const noteUrlAsPath = new URL(noteUrl).pathname;
 const timeAgo = useTimeAgo(createdAt, {
     messages: {
@@ -75,6 +93,8 @@ const fullTime = new Intl.DateTimeFormat("en-US", {
     dateStyle: "medium",
     timeStyle: "short",
 }).format(createdAt);
+const enableHoverCard = useSetting(SettingIds.PopupAvatarHover);
+const popupOpen = ref(false);
 
 const visibilities = {
     public: {
diff --git a/components/notes/note.vue b/components/notes/note.vue
index ebd8968..4888ec5 100644
--- a/components/notes/note.vue
+++ b/components/notes/note.vue
@@ -3,10 +3,10 @@
         <CardHeader class="pb-4" as="header">
             <ReblogHeader v-if="note.reblog" :avatar="note.account.avatar" :display-name="note.account.display_name"
                 :url="reblogAccountUrl" :emojis="note.account.emojis" />
-            <Header :avatar="noteToUse.account.avatar" :corner-avatar="note.reblog ? note.account.avatar : undefined"
-                :note-url="url" :acct="noteToUse.account.acct" :display-name="noteToUse.account.display_name"
-                :visibility="noteToUse.visibility" :url="accountUrl" :created-at="new Date(noteToUse.created_at)"
-                :small-layout="smallLayout" :emojis="noteToUse.account.emojis" />
+            <Header :author="noteToUse.account" :author-url="accountUrl"
+                :corner-avatar="note.reblog ? note.account.avatar : undefined" :note-url="url"
+                :visibility="noteToUse.visibility" :created-at="new Date(noteToUse.created_at)"
+                :small-layout="smallLayout" />
         </CardHeader>
         <CardContent>
             <Content :content="noteToUse.content" :quote="note.quote ?? undefined"
diff --git a/components/profiles/profile-fields.vue b/components/profiles/profile-fields.vue
index 6243f96..890a9ed 100644
--- a/components/profiles/profile-fields.vue
+++ b/components/profiles/profile-fields.vue
@@ -1,6 +1,6 @@
 <template>
     <div class="flex flex-col gap-y-4">
-        <div v-for="field in fields" :key="field.name" class="flex flex-col gap-1">
+        <div v-for="field in fields" :key="field.name" class="flex flex-col gap-1 break-words">
             <h3 class="font-semibold text-sm" v-render-emojis="emojis">{{ field.name }}</h3>
             <div v-html="field.value" class="prose prose-sm prose-zinc dark:prose-invert" v-render-emojis="emojis"></div>
         </div>
diff --git a/components/profiles/small-card.vue b/components/profiles/small-card.vue
new file mode 100644
index 0000000..71b0083
--- /dev/null
+++ b/components/profiles/small-card.vue
@@ -0,0 +1,41 @@
+<template>
+    <div class="relative">
+        <div class="bg-muted rounded overflow-hidden h-32 w-full">
+            <img :src="account.header" alt="" class="object-cover w-full h-full" />
+            <!-- Shadow overlay at the bottom -->
+            <div class="absolute bottom-0 w-full h-1/3 bg-gradient-to-b from-black/0 to-black/40"></div>
+        </div>
+        <div class="absolute bottom-0 left-1/2 translate-y-1/3 -translate-x-1/2 flex flex-row items-start gap-2">
+            <Avatar size="base" class="border" :src="account.avatar" :name="account.display_name" />
+        </div>
+    </div>
+    <div class="flex flex-col justify-center items-center mt-8">
+        <span class="font-semibold" v-render-emojis="account.emojis">
+            {{ account.display_name }}
+        </span>
+        <CopyableText :text="account.acct" class="text-sm">
+            <span
+                class="font-semibold bg-gradient-to-tr from-pink-700 dark:from-indigo-400 via-purple-700 dark:via-purple-400 to-indigo-700 dark:to-indigo-400 text-transparent bg-clip-text">
+                @{{ username }}
+            </span>
+            <span class="text-muted-foreground">{{ instance && "@" }}{{ instance }}</span>
+        </CopyableText>
+    </div>
+    <ProfileContent :content="account.note" :emojis="account.emojis" class="mt-4 max-h-72 overflow-y-auto" />
+    <Separator v-if="account.fields.length > 0" class="mt-4" />
+    <ProfileFields v-if="account.fields.length > 0" :fields="account.fields" :emojis="account.emojis" class="mt-4 max-h-48 overflow-y-auto" />
+</template>
+
+<script lang="ts" setup>
+import type { Account } from "@versia/client/types";
+import CopyableText from "../notes/copyable-text.vue";
+import Avatar from "./avatar.vue";
+import ProfileContent from "./profile-content.vue";
+import ProfileFields from "./profile-fields.vue";
+
+const { account } = defineProps<{
+    account: Account;
+}>();
+
+const [username, instance] = account.acct.split("@");
+</script>
\ No newline at end of file
diff --git a/components/ui/hover-card/HoverCard.vue b/components/ui/hover-card/HoverCard.vue
new file mode 100644
index 0000000..cebfe02
--- /dev/null
+++ b/components/ui/hover-card/HoverCard.vue
@@ -0,0 +1,19 @@
+<script setup lang="ts">
+import {
+    HoverCardRoot,
+    type HoverCardRootEmits,
+    type HoverCardRootProps,
+    useForwardPropsEmits,
+} from "radix-vue";
+
+const props = defineProps<HoverCardRootProps>();
+const emits = defineEmits<HoverCardRootEmits>();
+
+const forwarded = useForwardPropsEmits(props, emits);
+</script>
+
+<template>
+  <HoverCardRoot v-bind="forwarded">
+    <slot />
+  </HoverCardRoot>
+</template>
diff --git a/components/ui/hover-card/HoverCardContent.vue b/components/ui/hover-card/HoverCardContent.vue
new file mode 100644
index 0000000..141cf82
--- /dev/null
+++ b/components/ui/hover-card/HoverCardContent.vue
@@ -0,0 +1,41 @@
+<script setup lang="ts">
+import { cn } from "@/lib/utils";
+import {
+    HoverCardContent,
+    type HoverCardContentProps,
+    HoverCardPortal,
+    useForwardProps,
+} from "radix-vue";
+import { type HTMLAttributes, computed } from "vue";
+
+const props = withDefaults(
+    defineProps<HoverCardContentProps & { class?: HTMLAttributes["class"] }>(),
+    {
+        sideOffset: 4,
+    },
+);
+
+const delegatedProps = computed(() => {
+    const { class: _, ...delegated } = props;
+
+    return delegated;
+});
+
+const forwardedProps = useForwardProps(delegatedProps);
+</script>
+
+<template>
+  <HoverCardPortal>
+    <HoverCardContent
+      v-bind="forwardedProps"
+      :class="
+        cn(
+          'z-50 w-64 rounded-md border bg-popover p-4 text-popover-foreground shadow-md outline-none data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2',
+          props.class,
+        )
+      "
+    >
+      <slot />
+    </HoverCardContent>
+  </HoverCardPortal>
+</template>
diff --git a/components/ui/hover-card/HoverCardTrigger.vue b/components/ui/hover-card/HoverCardTrigger.vue
new file mode 100644
index 0000000..e7248ae
--- /dev/null
+++ b/components/ui/hover-card/HoverCardTrigger.vue
@@ -0,0 +1,11 @@
+<script setup lang="ts">
+import { HoverCardTrigger, type HoverCardTriggerProps } from "radix-vue";
+
+const props = defineProps<HoverCardTriggerProps>();
+</script>
+
+<template>
+  <HoverCardTrigger v-bind="props">
+    <slot />
+  </HoverCardTrigger>
+</template>
diff --git a/components/ui/hover-card/index.ts b/components/ui/hover-card/index.ts
new file mode 100644
index 0000000..b16bbcf
--- /dev/null
+++ b/components/ui/hover-card/index.ts
@@ -0,0 +1,3 @@
+export { default as HoverCard } from "./HoverCard.vue";
+export { default as HoverCardContent } from "./HoverCardContent.vue";
+export { default as HoverCardTrigger } from "./HoverCardTrigger.vue";