diff --git a/locales/en-US.yml b/locales/en-US.yml
index 7d4003744..aebaa3112 100644
--- a/locales/en-US.yml
+++ b/locales/en-US.yml
@@ -64,6 +64,8 @@ showMore: "Show more"
 newer: "newer"
 older: "older"
 showLess: "Close"
+expandAllCws: "Show content for all replies"
+collapseAllCws: "Hide content for all replies"
 youGotNewFollower: "followed you"
 receiveFollowRequest: "Follow request received"
 followRequestAccepted: "Follow request accepted"
diff --git a/packages/client/src/components/MkNote.vue b/packages/client/src/components/MkNote.vue
index 25c0ee228..062e31ff5 100644
--- a/packages/client/src/components/MkNote.vue
+++ b/packages/client/src/components/MkNote.vue
@@ -14,6 +14,7 @@
 		<MkNoteSub
 			v-if="appearNote.reply && !detailedView && !collapsedReply"
 			:note="appearNote.reply"
+			:forceExpandCw="props.forceExpandCw"
 			class="reply-to"
 		/>
 		<div
@@ -105,6 +106,7 @@
 						:detailed="true"
 						:detailedView="detailedView"
 						:parentId="appearNote.parentId"
+						:forceExpandCw="props.forceExpandCw"
 						@push="(e) => router.push(notePage(e))"
 						@focusfooter="footerEl.focus()"
 						@expanded="(e) => setPostExpanded(e)"
@@ -298,6 +300,7 @@ const props = defineProps<{
 	pinned?: boolean;
 	detailedView?: boolean;
 	collapsedReply?: boolean;
+	forceExpandCw?: boolean;
 }>();
 
 const inChannel = inject("inChannel", null);
diff --git a/packages/client/src/components/MkNoteDetailed.vue b/packages/client/src/components/MkNoteDetailed.vue
index 27e2f78c8..988569d5e 100644
--- a/packages/client/src/components/MkNoteDetailed.vue
+++ b/packages/client/src/components/MkNoteDetailed.vue
@@ -16,6 +16,7 @@
 			class="reply-to"
 			:note="note"
 			:detailedView="true"
+			:forceExpandCw="props.expandAllCws"
 		/>
 		<MkLoading v-else-if="note.reply" mini />
 		<MkNoteSub
@@ -23,6 +24,7 @@
 			:note="note.reply"
 			class="reply-to"
 			:detailedView="true"
+			:forceExpandCw="props.expandAllCws"
 		/>
 
 		<MkNote
@@ -31,6 +33,7 @@
 			tabindex="-1"
 			:note="note"
 			detailedView
+			:forceExpandCw="props.expandAllCws"
 		></MkNote>
 
 		<MkTab v-model="tab" :style="'underline'" @update:modelValue="loadTab">
@@ -72,6 +75,7 @@
 			:conversation="replies"
 			:detailedView="true"
 			:parentId="note.id"
+			:forceExpandCw="props.expandAllCws"
 		/>
 		<MkLoading v-else-if="tab === 'replies' && note.repliesCount > 0" />
 
@@ -84,6 +88,7 @@
 			:conversation="replies"
 			:detailedView="true"
 			:parentId="note.id"
+			:forceExpandCw="props.expandAllCws"
 		/>
 		<MkLoading v-else-if="tab === 'quotes' && directQuotes.length > 0" />
 
@@ -186,6 +191,7 @@ import appear from "@/directives/appear";
 const props = defineProps<{
 	note: misskey.entities.Note;
 	pinned?: boolean;
+	expandAllCws?: boolean;
 }>();
 
 let tab = $ref("replies");
diff --git a/packages/client/src/components/MkNoteSub.vue b/packages/client/src/components/MkNoteSub.vue
index ab6ce11a3..f3fbe5a0b 100644
--- a/packages/client/src/components/MkNoteSub.vue
+++ b/packages/client/src/components/MkNoteSub.vue
@@ -35,6 +35,7 @@
 						:parentId="parentId"
 						:conversation="conversation"
 						:detailedView="detailedView"
+						:forceExpandCw="props.forceExpandCw"
 						@focusfooter="footerEl.focus()"
 					/>
 					<div v-if="translating || translation" class="translation">
@@ -148,6 +149,7 @@
 				:replyLevel="replyLevel + 1"
 				:parentId="appearNote.id"
 				:detailedView="detailedView"
+				:forceExpandCw="props.forceExpandCw"
 			/>
 			<div v-else-if="replies.length > 0" class="more">
 				<div class="line"></div>
@@ -211,6 +213,7 @@ const props = withDefaults(
 		conversation?: misskey.entities.Note[];
 		parentId?;
 		detailedView?;
+		forceExpandCw?: boolean;
 
 		// how many notes are in between this one and the note being viewed in detail
 		depth?: number;
diff --git a/packages/client/src/components/MkSubNoteContent.vue b/packages/client/src/components/MkSubNoteContent.vue
index b0fccc1f7..58ad5e5dc 100644
--- a/packages/client/src/components/MkSubNoteContent.vue
+++ b/packages/client/src/components/MkSubNoteContent.vue
@@ -215,6 +215,7 @@ const props = defineProps<{
 	conversation?;
 	detailed?: boolean;
 	detailedView?: boolean;
+	forceExpandCw?: boolean;
 }>();
 
 const emit = defineEmits<{
@@ -238,7 +239,14 @@ const urls = props.note.text
 	? extractUrlFromMfm(mfm.parse(props.note.text)).slice(0, 5)
 	: null;
 
-let showContent = $ref(false);
+let _showContent = $ref(null);
+let showContent = $computed({
+	set(val) { _showContent = val },
+	get() {
+		if (_showContent != null) return _showContent;
+		return props.forceExpandCw || false;
+	},
+})
 
 const mfms = props.note.text
 	? extractMfmWithAnimation(mfm.parse(props.note.text))
diff --git a/packages/client/src/pages/note.vue b/packages/client/src/pages/note.vue
index 3e5059e5a..3079b3bfe 100644
--- a/packages/client/src/pages/note.vue
+++ b/packages/client/src/pages/note.vue
@@ -39,6 +39,7 @@
 								<XNoteDetailed
 									:key="appearNote.id"
 									v-model:note="appearNote"
+									:expandAllCws="expandAllCws"
 									class="note"
 								/>
 							</div>
@@ -91,6 +92,7 @@ let showNext = $ref(false);
 let error = $ref();
 let isRenote = $ref(false);
 let appearNote = $ref<null | misskey.entities.Note>();
+let expandAllCws = $ref(false);
 
 const prevPagination = {
 	endpoint: "users/notes" as const,
@@ -160,11 +162,21 @@ function fetchNote() {
 		});
 }
 
+function toggleAllCws() {
+	expandAllCws = !expandAllCws;
+}
+
 watch(() => props.noteId, fetchNote, {
 	immediate: true,
 });
 
-const headerActions = $computed(() => []);
+const headerActions = $computed(() => appearNote ? [
+	{
+		icon: `${expandAllCws ? "ph-eye" : "ph-eye-slash"} ph-bold ph-lg`,
+		text: expandAllCws ? i18n.ts.collapseAllCws : i18n.ts.expandAllCws,
+		handler: toggleAllCws,
+	},
+]:[]);
 
 const headerTabs = $computed(() => []);