diff --git a/locales/en-US.yml b/locales/en-US.yml
index 804b9281b4..8b1aae4815 100644
--- a/locales/en-US.yml
+++ b/locales/en-US.yml
@@ -762,8 +762,7 @@ no: "No"
 driveFilesCount: "Number of Drive files"
 driveUsage: "Drive space usage"
 noCrawle: "Reject crawler indexing"
-noCrawleDescription: "Ask search engines to not index your profile page, posts, Pages,
-  etc."
+noCrawleDescription: "Ask external search engines to not index your content."
 lockedAccountInfo: "Unless you set your post visiblity to \"Followers only\", your
   posts will be visible to anyone, even if you require followers to be manually approved."
 alwaysMarkSensitive: "Mark as NSFW by default"
@@ -1139,6 +1138,8 @@ confirm: "Confirm"
 importZip: "Import ZIP"
 exportZip: "Export ZIP"
 emojiPackCreator: "Emoji pack creator"
+indexable: "Indexable"
+indexableDescription: "Allow built-in search to show your public posts"
 languageForTranslation: "Post translation language"
 detectPostLanguage: "Automatically detect the language and show a translate button for posts in foreign languages"
 
diff --git a/packages/backend/native-utils/migration/src/lib.rs b/packages/backend/native-utils/migration/src/lib.rs
index 57ca203f6d..f8be136f46 100644
--- a/packages/backend/native-utils/migration/src/lib.rs
+++ b/packages/backend/native-utils/migration/src/lib.rs
@@ -6,6 +6,7 @@ mod m20230531_180824_drop_reversi;
 mod m20230627_185451_index_note_url;
 mod m20230709_000510_move_antenna_to_cache;
 mod m20230806_170616_fix_antenna_stream_ids;
+mod m20230904_013244_is_indexable;
 
 pub struct Migrator;
 
@@ -17,6 +18,7 @@ impl MigratorTrait for Migrator {
             Box::new(m20230627_185451_index_note_url::Migration),
             Box::new(m20230709_000510_move_antenna_to_cache::Migration),
             Box::new(m20230806_170616_fix_antenna_stream_ids::Migration),
+            Box::new(m20230904_013244_is_indexable::Migration),
         ]
     }
 }
diff --git a/packages/backend/native-utils/migration/src/m20230904_013244_is_indexable.rs b/packages/backend/native-utils/migration/src/m20230904_013244_is_indexable.rs
new file mode 100644
index 0000000000..84898fd95a
--- /dev/null
+++ b/packages/backend/native-utils/migration/src/m20230904_013244_is_indexable.rs
@@ -0,0 +1,74 @@
+use sea_orm_migration::prelude::*;
+
+#[derive(DeriveMigrationName)]
+pub struct Migration;
+
+#[async_trait::async_trait]
+impl MigrationTrait for Migration {
+    async fn up(&self, manager: &SchemaManager) -> Result<(), DbErr> {
+        manager
+            .alter_table(
+                Table::alter()
+                    .table(User::Table)
+                    .add_column(
+                        ColumnDef::new(User::IsIndexable)
+                            .boolean()
+                            .not_null()
+                            .default(true),
+                    )
+                    .to_owned(),
+            )
+            .await?;
+        manager
+            .alter_table(
+                Table::alter()
+                    .table(UserProfile::Table)
+                    .add_column(
+                        ColumnDef::new(UserProfile::IsIndexable)
+                            .boolean()
+                            .not_null()
+                            .default(true),
+                    )
+                    .to_owned(),
+            )
+            .await?;
+
+        Ok(())
+    }
+
+    async fn down(&self, manager: &SchemaManager) -> Result<(), DbErr> {
+        manager
+            .alter_table(
+                Table::alter()
+                    .table(User::Table)
+                    .drop_column(User::IsIndexable)
+                    .to_owned(),
+            )
+            .await?;
+        manager
+            .alter_table(
+                Table::alter()
+                    .table(UserProfile::Table)
+                    .drop_column(UserProfile::IsIndexable)
+                    .to_owned(),
+            )
+            .await?;
+
+        Ok(())
+    }
+}
+
+/// Learn more at https://docs.rs/sea-query#iden
+#[derive(Iden)]
+enum User {
+    Table,
+    #[iden = "isIndexable"]
+    IsIndexable,
+}
+
+#[derive(Iden)]
+enum UserProfile {
+    Table,
+    #[iden = "isIndexable"]
+    IsIndexable,
+}
diff --git a/packages/backend/native-utils/src/model/entity/user.rs b/packages/backend/native-utils/src/model/entity/user.rs
index e76ae08c7f..7988bec3ad 100644
--- a/packages/backend/native-utils/src/model/entity/user.rs
+++ b/packages/backend/native-utils/src/model/entity/user.rs
@@ -71,6 +71,8 @@ pub struct Model {
     pub also_known_as: Option<String>,
     #[sea_orm(column_name = "speakAsCat")]
     pub speak_as_cat: bool,
+    #[sea_orm(column_name = "isIndexable")]
+    pub is_indexable: bool,
 }
 
 #[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
diff --git a/packages/backend/native-utils/src/model/entity/user_profile.rs b/packages/backend/native-utils/src/model/entity/user_profile.rs
index 4c2f903d4b..5fd09dea30 100644
--- a/packages/backend/native-utils/src/model/entity/user_profile.rs
+++ b/packages/backend/native-utils/src/model/entity/user_profile.rs
@@ -75,6 +75,8 @@ pub struct Model {
     pub moderation_note: String,
     #[sea_orm(column_name = "preventAiLearning")]
     pub prevent_ai_learning: bool,
+    #[sea_orm(column_name = "isIndexable")]
+    pub is_indexable: bool,
 }
 
 #[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
diff --git a/packages/backend/src/models/entities/user-profile.ts b/packages/backend/src/models/entities/user-profile.ts
index 686fab3439..0b8863867c 100644
--- a/packages/backend/src/models/entities/user-profile.ts
+++ b/packages/backend/src/models/entities/user-profile.ts
@@ -167,6 +167,12 @@ export class UserProfile {
 	})
 	public noCrawle: boolean;
 
+	@Column("boolean", {
+		default: true,
+		comment: "Whether User is indexable.",
+	})
+	public isIndexable: boolean;
+
 	@Column("boolean", {
 		default: true,
 	})
diff --git a/packages/backend/src/models/entities/user.ts b/packages/backend/src/models/entities/user.ts
index 6bbd939b5c..2d5e5dca3e 100644
--- a/packages/backend/src/models/entities/user.ts
+++ b/packages/backend/src/models/entities/user.ts
@@ -265,6 +265,13 @@ export class User {
 	})
 	public driveCapacityOverrideMb: number | null;
 
+	@Index()
+	@Column("boolean", {
+		default: true,
+		comment: "Whether the User is indexable.",
+	})
+	public isIndexable: boolean;
+
 	constructor(data: Partial<User>) {
 		if (data == null) return;
 
diff --git a/packages/backend/src/models/repositories/user.ts b/packages/backend/src/models/repositories/user.ts
index e7c4b6f008..86bef413b5 100644
--- a/packages/backend/src/models/repositories/user.ts
+++ b/packages/backend/src/models/repositories/user.ts
@@ -454,6 +454,7 @@ export const UserRepository = db.getRepository(User).extend({
 			isModerator: user.isModerator || falsy,
 			isBot: user.isBot || falsy,
 			isLocked: user.isLocked,
+			isIndexable: user.isIndexable,
 			isCat: user.isCat || falsy,
 			speakAsCat: user.speakAsCat || falsy,
 			instance: user.host
diff --git a/packages/backend/src/models/schema/user.ts b/packages/backend/src/models/schema/user.ts
index 4c840d0bac..d625308f00 100644
--- a/packages/backend/src/models/schema/user.ts
+++ b/packages/backend/src/models/schema/user.ts
@@ -66,6 +66,11 @@ export const packedUserLiteSchema = {
 			nullable: false,
 			optional: true,
 		},
+		isIndexable: {
+			type: "boolean",
+			nullable: false,
+			optional: true,
+		},
 		speakAsCat: {
 			type: "boolean",
 			nullable: false,
diff --git a/packages/backend/src/remote/activitypub/models/person.ts b/packages/backend/src/remote/activitypub/models/person.ts
index dab2b9a6ee..564de3661c 100644
--- a/packages/backend/src/remote/activitypub/models/person.ts
+++ b/packages/backend/src/remote/activitypub/models/person.ts
@@ -205,10 +205,10 @@ export async function createPerson(
 
 	if (typeof person.followers === "string") {
 		try {
-			let data = await fetch(person.followers, {
+			const data = await fetch(person.followers, {
 				headers: { Accept: "application/json" },
 			});
-			let json_data = JSON.parse(await data.text());
+			const json_data = JSON.parse(await data.text());
 
 			followersCount = json_data.totalItems;
 		} catch {
@@ -220,10 +220,10 @@ export async function createPerson(
 
 	if (typeof person.following === "string") {
 		try {
-			let data = await fetch(person.following, {
+			const data = await fetch(person.following, {
 				headers: { Accept: "application/json" },
 			});
-			let json_data = JSON.parse(await data.text());
+			const json_data = JSON.parse(await data.text());
 
 			followingCount = json_data.totalItems;
 		} catch (e) {
@@ -235,10 +235,10 @@ export async function createPerson(
 
 	if (typeof person.outbox === "string") {
 		try {
-			let data = await fetch(person.outbox, {
+			const data = await fetch(person.outbox, {
 				headers: { Accept: "application/json" },
 			});
-			let json_data = JSON.parse(await data.text());
+			const json_data = JSON.parse(await data.text());
 
 			notesCount = json_data.totalItems;
 		} catch (e) {
@@ -302,6 +302,7 @@ export async function createPerson(
 					tags,
 					isBot,
 					isCat: (person as any).isCat === true,
+					isIndexable: person.indexable,
 				}),
 			)) as IRemoteUser;
 
@@ -547,6 +548,7 @@ export async function updatePerson(
 		tags,
 		isBot: getApType(object) !== "Person",
 		isCat: (person as any).isCat === true,
+		isIndexable: person.indexable,
 		isLocked: !!person.manuallyApprovesFollowers,
 		movedToUri: person.movedTo || null,
 		alsoKnownAs: person.alsoKnownAs || null,
diff --git a/packages/backend/src/remote/activitypub/renderer/index.ts b/packages/backend/src/remote/activitypub/renderer/index.ts
index 7b98cf2d77..bb5dcdfc19 100644
--- a/packages/backend/src/remote/activitypub/renderer/index.ts
+++ b/packages/backend/src/remote/activitypub/renderer/index.ts
@@ -30,6 +30,7 @@ export const renderActivity = (x: any): IActivity | null => {
 					Emoji: "toot:Emoji",
 					featured: "toot:featured",
 					discoverable: "toot:discoverable",
+					indexable: "toot:indexable",
 					// schema
 					schema: "http://schema.org#",
 					PropertyValue: "schema:PropertyValue",
diff --git a/packages/backend/src/remote/activitypub/renderer/person.ts b/packages/backend/src/remote/activitypub/renderer/person.ts
index 1122a3a279..d91c0a9114 100644
--- a/packages/backend/src/remote/activitypub/renderer/person.ts
+++ b/packages/backend/src/remote/activitypub/renderer/person.ts
@@ -81,6 +81,7 @@ export async function renderPerson(user: ILocalUser) {
 		discoverable: !!user.isExplorable,
 		publicKey: renderKey(user, keypair, "#main-key"),
 		isCat: user.isCat,
+		indexable: user.isIndexable,
 		attachment: attachment.length ? attachment : undefined,
 	} as any;
 
diff --git a/packages/backend/src/remote/activitypub/type.ts b/packages/backend/src/remote/activitypub/type.ts
index b0bdb0a8b4..ecaf6d6872 100644
--- a/packages/backend/src/remote/activitypub/type.ts
+++ b/packages/backend/src/remote/activitypub/type.ts
@@ -190,8 +190,9 @@ export interface IActor extends IObject {
 	movedTo?: string;
 	alsoKnownAs?: string[];
 	discoverable?: boolean;
+	indexable?: boolean;
 	inbox: string;
-	sharedInbox?: string; // backward compatibility.. ig
+	sharedInbox?: string; // Backwards compatibility
 	publicKey?: {
 		id: string;
 		publicKeyPem: string;
diff --git a/packages/backend/src/server/api/endpoints/admin/show-user.ts b/packages/backend/src/server/api/endpoints/admin/show-user.ts
index 7a2bf23651..3c3a0913d0 100644
--- a/packages/backend/src/server/api/endpoints/admin/show-user.ts
+++ b/packages/backend/src/server/api/endpoints/admin/show-user.ts
@@ -60,6 +60,7 @@ export default define(meta, paramDef, async (ps, me) => {
 		emailVerified: profile.emailVerified,
 		autoAcceptFollowed: profile.autoAcceptFollowed,
 		noCrawle: profile.noCrawle,
+		isIndexable: profile.isIndexable,
 		preventAiLearning: profile.preventAiLearning,
 		alwaysMarkNsfw: profile.alwaysMarkNsfw,
 		autoSensitive: profile.autoSensitive,
diff --git a/packages/backend/src/server/api/endpoints/i/update.ts b/packages/backend/src/server/api/endpoints/i/update.ts
index 6d3bde2b8d..0037839b5c 100644
--- a/packages/backend/src/server/api/endpoints/i/update.ts
+++ b/packages/backend/src/server/api/endpoints/i/update.ts
@@ -120,6 +120,7 @@ export const paramDef = {
 		isBot: { type: "boolean" },
 		isCat: { type: "boolean" },
 		speakAsCat: { type: "boolean" },
+		isIndexable: { type: "boolean" },
 		injectFeaturedNote: { type: "boolean" },
 		receiveAnnouncementEmail: { type: "boolean" },
 		alwaysMarkNsfw: { type: "boolean" },
@@ -206,6 +207,10 @@ export default define(meta, paramDef, async (ps, _user, token) => {
 	if (typeof ps.preventAiLearning === "boolean")
 		profileUpdates.preventAiLearning = ps.preventAiLearning;
 	if (typeof ps.isCat === "boolean") updates.isCat = ps.isCat;
+	if (typeof ps.isIndexable === "boolean") {
+		updates.isIndexable = ps.isIndexable;
+		profileUpdates.isIndexable = ps.isIndexable;
+	}
 	if (typeof ps.speakAsCat === "boolean") updates.speakAsCat = ps.speakAsCat;
 	if (typeof ps.injectFeaturedNote === "boolean")
 		profileUpdates.injectFeaturedNote = ps.injectFeaturedNote;
diff --git a/packages/backend/src/server/api/endpoints/notes/edit.ts b/packages/backend/src/server/api/endpoints/notes/edit.ts
index a80a08a4cb..8daf44b48f 100644
--- a/packages/backend/src/server/api/endpoints/notes/edit.ts
+++ b/packages/backend/src/server/api/endpoints/notes/edit.ts
@@ -608,7 +608,7 @@ export default define(meta, paramDef, async (ps, user) => {
 		throw new ApiError(meta.errors.noSuchNote);
 	}
 
-	if (publishing) {
+	if (publishing && user.isIndexable) {
 		index(note, true);
 
 		// Publish update event for the updated note details
diff --git a/packages/backend/src/services/note/create.ts b/packages/backend/src/services/note/create.ts
index 689bd66162..18b524ecb2 100644
--- a/packages/backend/src/services/note/create.ts
+++ b/packages/backend/src/services/note/create.ts
@@ -165,6 +165,7 @@ export default async (
 		createdAt: User["createdAt"];
 		isBot: User["isBot"];
 		inbox?: User["inbox"];
+		isIndexable?: User["isIndexable"];
 	},
 	data: Option,
 	silent = false,
@@ -652,7 +653,9 @@ export default async (
 		}
 
 		// Register to search database
-		await index(note, false);
+		if (user.isIndexable) {
+			await index(note, false);
+		}
 	});
 
 async function renderNoteOrRenoteActivity(data: Option, note: Note) {
diff --git a/packages/backend/test/e2e/users.ts b/packages/backend/test/e2e/users.ts
index 721ffc2f59..1090dc1cb5 100644
--- a/packages/backend/test/e2e/users.ts
+++ b/packages/backend/test/e2e/users.ts
@@ -151,6 +151,7 @@ describe("ユーザー", () => {
 			carefulBot: user.carefulBot,
 			autoAcceptFollowed: user.autoAcceptFollowed,
 			noCrawle: user.noCrawle,
+			isIndexable: user.isIndexable,
 			preventAiLearning: user.preventAiLearning,
 			isExplorable: user.isExplorable,
 			isDeleted: user.isDeleted,
@@ -529,6 +530,8 @@ describe("ユーザー", () => {
 		{ parameters: (): object => ({ autoAcceptFollowed: false }) },
 		{ parameters: (): object => ({ noCrawle: true }) },
 		{ parameters: (): object => ({ noCrawle: false }) },
+		{ parameters: (): object => ({ isIndexable: true }) },
+		{ parameters: (): object => ({ isIndexable: false }) },
 		{ parameters: (): object => ({ preventAiLearning: false }) },
 		{ parameters: (): object => ({ preventAiLearning: true }) },
 		{ parameters: (): object => ({ isBot: true }) },
diff --git a/packages/client/src/pages/settings/privacy.vue b/packages/client/src/pages/settings/privacy.vue
index 2957a117fc..acadf4d5da 100644
--- a/packages/client/src/pages/settings/privacy.vue
+++ b/packages/client/src/pages/settings/privacy.vue
@@ -52,6 +52,14 @@
 				i18n.ts.hideOnlineStatusDescription
 			}}</template>
 		</FormSwitch>
+		<FormSwitch
+			v-model="isIndexable"
+			class="_formBlock"
+			@update:modelValue="save()"
+		>
+			{{ i18n.ts.indexable }}
+			<template #caption>{{ i18n.ts.indexableDescription }}</template>
+		</FormSwitch>
 		<FormSwitch
 			v-model="noCrawle"
 			class="_formBlock"
@@ -155,6 +163,7 @@ import { definePageMetadata } from "@/scripts/page-metadata";
 const isLocked = ref($i.isLocked);
 const autoAcceptFollowed = ref($i.autoAcceptFollowed);
 const noCrawle = ref($i.noCrawle);
+const isIndexable = ref($i.isIndexable);
 const isExplorable = ref($i.isExplorable);
 const hideOnlineStatus = ref($i.hideOnlineStatus);
 const publicReactions = ref($i.publicReactions);
@@ -178,6 +187,7 @@ function save() {
 		isLocked: !!isLocked.value,
 		autoAcceptFollowed: !!autoAcceptFollowed.value,
 		noCrawle: !!noCrawle.value,
+		isIndexable: !!isIndexable.value,
 		isExplorable: !!isExplorable.value,
 		hideOnlineStatus: !!hideOnlineStatus.value,
 		publicReactions: !!publicReactions.value,