diff --git a/packages/frontend/src/pages/admin/external-services.vue b/packages/frontend/src/pages/admin/external-services.vue
index 0c04217272..705679b702 100644
--- a/packages/frontend/src/pages/admin/external-services.vue
+++ b/packages/frontend/src/pages/admin/external-services.vue
@@ -69,7 +69,7 @@ const headerTabs = $computed(() => []);
 
 definePageMetadata({
 	title: i18n.ts.externalServices,
-	icon: 'ti ti-link',
+	icon: 'ph-square-arrow-out ph-bold ph-lg',
 });
 </script>
 
diff --git a/packages/frontend/src/pages/drive.file.info.vue b/packages/frontend/src/pages/drive.file.info.vue
index ae9256b8e3..578bebb60e 100644
--- a/packages/frontend/src/pages/drive.file.info.vue
+++ b/packages/frontend/src/pages/drive.file.info.vue
@@ -14,26 +14,26 @@ SPDX-License-Identifier: AGPL-3.0-only
 		<div :class="$style.fileQuickActionsRoot">
 			<button class="_button" :class="$style.fileNameEditBtn" @click="rename()">
 				<h2 class="_nowrap" :class="$style.fileName">{{ file.name }}</h2>
-				<i class="ti ti-pencil" :class="$style.fileNameEditIcon"></i>
+				<i class="ph-pencil ph-bold ph-lg" :class="$style.fileNameEditIcon"></i>
 			</button>
 			<div :class="$style.fileQuickActionsOthers">
 				<button v-tooltip="i18n.ts.createNoteFromTheFile" class="_button" :class="$style.fileQuickActionsOthersButton" @click="postThis()">
-					<i class="ti ti-pencil"></i>
+					<i class="ph-pencil ph-bold ph-lg"></i>
 				</button>
 				<button v-if="isImage" v-tooltip="i18n.ts.cropImage" class="_button" :class="$style.fileQuickActionsOthersButton" @click="crop()">
 					<i class="ti ti-crop"></i>
 				</button>
 				<button v-if="file.isSensitive" v-tooltip="i18n.ts.unmarkAsSensitive" class="_button" :class="$style.fileQuickActionsOthersButton" @click="toggleSensitive()">
-					<i class="ti ti-eye"></i>
+					<i class="ph-eye ph-bold ph-lg"></i>
 				</button>
 				<button v-else v-tooltip="i18n.ts.markAsSensitive" class="_button" :class="$style.fileQuickActionsOthersButton" @click="toggleSensitive()">
-					<i class="ti ti-eye-exclamation"></i>
+					<i class="ph-eye-slash ph-bold ph-lg"></i>
 				</button>
 				<a v-tooltip="i18n.ts.download" :href="file.url" :download="file.name" class="_button" :class="$style.fileQuickActionsOthersButton">
-					<i class="ti ti-download"></i>
+					<i class="ph-download ph-bold ph-lg"></i>
 				</a>
 				<button v-tooltip="i18n.ts.delete" class="_button" :class="[$style.fileQuickActionsOthersButton, $style.danger]" @click="deleteFile()">
-					<i class="ti ti-trash"></i>
+					<i class="ph-trash ph-bold ph-lg"></i>
 				</button>
 			</div>
 		</div>
diff --git a/packages/frontend/src/pages/drive.file.vue b/packages/frontend/src/pages/drive.file.vue
index 2c1e5d20a7..b1bb84b488 100644
--- a/packages/frontend/src/pages/drive.file.vue
+++ b/packages/frontend/src/pages/drive.file.vue
@@ -38,15 +38,15 @@ const headerActions = computed(() => []);
 const headerTabs = computed(() => [{
 	key: 'info',
 	title: i18n.ts.info,
-	icon: 'ti ti-info-circle',
+	icon: 'ph-info ph-bold ph-lg',
 }, {
 	key: 'notes',
 	title: i18n.ts._fileViewer.attachedNotes,
-	icon: 'ti ti-pencil',
+	icon: 'ph-pencil ph-bold ph-lg',
 }]);
 
 definePageMetadata(computed(() => ({
 	title: i18n.ts._fileViewer.title,
-	icon: 'ti ti-file',
+	icon: 'ph-file-text ph-bold ph-lg',
 })));
 </script>
diff --git a/packages/frontend/src/pages/my-lists/list.vue b/packages/frontend/src/pages/my-lists/list.vue
index cadc9f6d1e..60adb37cd0 100644
--- a/packages/frontend/src/pages/my-lists/list.vue
+++ b/packages/frontend/src/pages/my-lists/list.vue
@@ -132,7 +132,7 @@ async function removeUser(item, ev) {
 async function showMembershipMenu(item, ev) {
 	os.popupMenu([{
 		text: item.withReplies ? i18n.ts.hideRepliesToOthersInTimeline : i18n.ts.showRepliesToOthersInTimeline,
-		icon: item.withReplies ? 'ti ti-messages-off' : 'ti ti-messages',
+		icon: item.withReplies ? 'ph-envelope-open ph-bold ph-lg' : 'ph-envelope ph-bold ph-lg',
 		action: async () => {
 			os.api('users/lists/update-membership', {
 				listId: list.id,
diff --git a/packages/frontend/src/pages/settings/2fa.qrdialog.vue b/packages/frontend/src/pages/settings/2fa.qrdialog.vue
index 093dba99d9..765161691d 100644
--- a/packages/frontend/src/pages/settings/2fa.qrdialog.vue
+++ b/packages/frontend/src/pages/settings/2fa.qrdialog.vue
@@ -84,7 +84,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 										</MkKeyValue>
 									</div>
 
-									<MkButton primary rounded gradate @click="downloadBackupCodes"><i class="ti ti-download"></i> {{ i18n.ts.download }}</MkButton>
+									<MkButton primary rounded gradate @click="downloadBackupCodes"><i class="ph-download ph-bold ph-lg"></i> {{ i18n.ts.download }}</MkButton>
 								</div>
 							</MkFolder>
 						</div>
diff --git a/packages/frontend/src/pages/settings/mute-block.vue b/packages/frontend/src/pages/settings/mute-block.vue
index 2005ef3069..32aa9bd754 100644
--- a/packages/frontend/src/pages/settings/mute-block.vue
+++ b/packages/frontend/src/pages/settings/mute-block.vue
@@ -6,21 +6,21 @@ SPDX-License-Identifier: AGPL-3.0-only
 <template>
 <div class="_gaps_m">
 	<MkFolder>
-		<template #icon><i class="ti ti-message-off"></i></template>
+		<template #icon><i class="ph-envelope ph-bold ph-lg"></i></template>
 		<template #label>{{ i18n.ts.wordMute }}</template>
 
 		<XWordMute/>
 	</MkFolder>
 
 	<MkFolder>
-		<template #icon><i class="ti ti-planet-off"></i></template>
+		<template #icon><i class="ph-globe-simple ph-bold ph-lg"></i></template>
 		<template #label>{{ i18n.ts.instanceMute }}</template>
 
 		<XInstanceMute/>
 	</MkFolder>
 
 	<MkFolder>
-		<template #icon><i class="ti ti-repeat-off"></i></template>
+		<template #icon><i class="ph-repeat ph-bold ph-lg"></i></template>
 		<template #label>{{ i18n.ts.mutedUsers }} ({{ i18n.ts.renote }})</template>
 
 		<MkPagination :pagination="renoteMutingPagination">
@@ -51,7 +51,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 	</MkFolder>
 
 	<MkFolder>
-		<template #icon><i class="ti ti-eye-off"></i></template>
+		<template #icon><i class="ph-eye-slash ph-bold ph-lg"></i></template>
 		<template #label>{{ i18n.ts.mutedUsers }}</template>
 
 		<MkPagination :pagination="mutingPagination">
@@ -84,7 +84,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 	</MkFolder>
 
 	<MkFolder>
-		<template #icon><i class="ti ti-ban"></i></template>
+		<template #icon><i class="ph-prohibit ph-bold ph-lg"></i></template>
 		<template #label>{{ i18n.ts.blockedUsers }}</template>
 
 		<MkPagination :pagination="blockingPagination">