diff --git a/src/main/ipc/handlers.ts b/src/main/ipc/handlers.ts
index 6712267..d521aca 100644
--- a/src/main/ipc/handlers.ts
+++ b/src/main/ipc/handlers.ts
@@ -71,6 +71,10 @@ const handlers = {
   "avatar:unfavorite": (avatarId) => guard(() => avatars.unfavoriteAvatar(avatarId)),
   "avatar:moveFavorite": ({ avatarId, folder }) =>
     guard(() => avatars.moveAvatarToFolder(avatarId, folder)),
+  "avatar:unfavoriteMany": (avatarIds) => guard(() => avatars.unfavoriteAvatars(avatarIds)),
+  "avatar:moveFavoriteMany": ({ avatarIds, folder }) =>
+    guard(() => avatars.moveAvatarsToFolder(avatarIds, folder)),
+  "avatar:clearFavoriteFolder": (folder) => guard(() => avatars.clearFavoriteFolder(folder)),
   "avatar:updateFavoriteFolder": ({ folder, edit }) =>
     guard(() => avatars.updateFavoriteFolder(folder, edit)),
 
diff --git a/src/main/vrchat/avatarService.ts b/src/main/vrchat/avatarService.ts
index e378f19..fae2828 100644
--- a/src/main/vrchat/avatarService.ts
+++ b/src/main/vrchat/avatarService.ts
@@ -6,6 +6,7 @@ import type {
   FavoriteGroupEdit,
   FavoriteLimits,
   FavoriteVisibility,
+  MoveResult,
 } from "../../shared/types/avatar";
 import { toAvatar } from "./mappers";
 import { httpStatusOf } from "./errors";
@@ -163,16 +164,72 @@ export async function unfavoriteAvatar(avatarId: string): Promise<void> {
   await reloadFavorites();
 }
 
-export async function moveAvatarToFolder(avatarId: string, folder: string): Promise<void> {
+export async function moveAvatarToFolder(avatarId: string, folder: string): Promise<MoveResult> {
   const vrc = requireActiveClient();
   const fav = await findFavoriteRecord(vrc, avatarId);
-  if (fav?.tags?.includes(folder)) return;
+  if (fav?.tags?.includes(folder)) return { moved: 0, skipped: [] };
+  if (!(await canRefavorite(vrc, avatarId))) return { moved: 0, skipped: [avatarId] };
   if (fav) await vrc.removeFavorite({ path: { favoriteId: fav.id }, throwOnError: true });
   await vrc.addFavorite({
     body: { type: "avatar", favoriteId: avatarId, tags: [folder] },
     throwOnError: true,
   });
   await reloadFavorites();
+  return { moved: 1, skipped: [] };
+}
+
+export async function unfavoriteAvatars(avatarIds: string[]): Promise<void> {
+  const vrc = requireActiveClient();
+  const records = await favoriteRecords(vrc);
+  for (const id of avatarIds) {
+    const fav = records.get(id);
+    if (fav) await vrc.removeFavorite({ path: { favoriteId: fav }, throwOnError: true });
+  }
+  await reloadFavorites();
+}
+
+export async function moveAvatarsToFolder(
+  avatarIds: string[],
+  folder: string,
+): Promise<MoveResult> {
+  const vrc = requireActiveClient();
+  const records = await favoriteRecords(vrc);
+  const skipped: string[] = [];
+  let moved = 0;
+  for (const id of avatarIds) {
+    if (!(await canRefavorite(vrc, id))) {
+      skipped.push(id);
+      continue;
+    }
+    const fav = records.get(id);
+    if (fav) await vrc.removeFavorite({ path: { favoriteId: fav }, throwOnError: true });
+    await vrc.addFavorite({
+      body: { type: "avatar", favoriteId: id, tags: [folder] },
+      throwOnError: true,
+    });
+    moved++;
+  }
+  await reloadFavorites();
+  return { moved, skipped };
+}
+
+async function canRefavorite(vrc: VRChat, avatarId: string): Promise<boolean> {
+  try {
+    await getAvatarRaw(vrc, avatarId);
+    return true;
+  } catch {
+    return false;
+  }
+}
+
+export async function clearFavoriteFolder(folder: string): Promise<void> {
+  const vrc = requireActiveClient();
+  const me = await currentUser();
+  await vrc.clearFavoriteGroup({
+    path: { favoriteGroupType: "avatar", favoriteGroupName: folder, userId: me.id },
+    throwOnError: true,
+  });
+  await reloadFavorites();
 }
 
 export async function updateFavoriteFolder(folder: string, edit: FavoriteGroupEdit): Promise<void> {
@@ -190,8 +247,24 @@ export async function updateFavoriteFolder(folder: string, edit: FavoriteGroupEd
 }
 
 async function findFavoriteRecord(vrc: VRChat, avatarId: string) {
-  const { data } = await vrc.getFavorites({ query: { type: "avatar", n: 100 }, throwOnError: true });
-  return data.find((f) => f.favoriteId === avatarId);
+  return (await favoriteRecordEntries(vrc)).find((f) => f.favoriteId === avatarId);
+}
+
+async function favoriteRecords(vrc: VRChat): Promise<Map<string, string>> {
+  return new Map((await favoriteRecordEntries(vrc)).map((f) => [f.favoriteId, f.id]));
+}
+
+async function favoriteRecordEntries(vrc: VRChat) {
+  const pageSize = 100;
+  const entries = [];
+  for (let offset = 0; ; offset += pageSize) {
+    const { data } = await vrc.getFavorites({
+      query: { type: "avatar", n: pageSize, offset },
+      throwOnError: true,
+    });
+    entries.push(...data);
+    if (data.length < pageSize) return entries;
+  }
 }
 
 async function reloadFavorites(): Promise<void> {
diff --git a/src/renderer/src/features/avatar/AvatarCard.tsx b/src/renderer/src/features/avatar/AvatarCard.tsx
index 2838fc0..f22e2f2 100644
--- a/src/renderer/src/features/avatar/AvatarCard.tsx
+++ b/src/renderer/src/features/avatar/AvatarCard.tsx
@@ -1,4 +1,4 @@
-import { Star } from "lucide-react";
+import { Check, Star } from "lucide-react";
 import type { Avatar } from "../../../../shared/types/avatar";
 import { Card, HoverImage, IconLabel, Tag } from "../../components/ui";
 import { compactNumber } from "../../lib/format";
@@ -9,19 +9,36 @@ export function AvatarCard({
   avatar,
   showAuthor,
   current,
+  selectable,
+  selected,
+  onToggleSelect,
 }: {
   avatar: Avatar;
   showAuthor?: boolean;
   current?: boolean;
+  selectable?: boolean;
+  selected?: boolean;
+  onToggleSelect?: () => void;
 }) {
   const t = useT();
   const { openAvatar } = useNav();
   const img = avatar.thumbnailImageUrl || avatar.imageUrl;
   return (
-    <Card onClick={() => openAvatar(avatar.id)}>
+    <Card onClick={selectable ? onToggleSelect : () => openAvatar(avatar.id)}>
       <div className="relative aspect-[4/3] bg-surface-hover">
         {img ? <HoverImage src={img} loading="lazy" /> : null}
-        {current ? (
+        {selectable ? (
+          <span
+            className={`absolute left-1.5 top-1.5 flex size-5 items-center justify-center rounded-md border transition-colors ${
+              selected
+                ? "border-accent bg-accent text-on-accent"
+                : "border-border bg-surface-2/80"
+            }`}
+          >
+            {selected ? <Check size={13} /> : null}
+          </span>
+        ) : null}
+        {current && !selectable ? (
           <span className="absolute left-1.5 top-1.5">
             <Tag color="var(--accent)">{t("avatar:current")}</Tag>
           </span>
diff --git a/src/renderer/src/features/avatar/AvatarsView.tsx b/src/renderer/src/features/avatar/AvatarsView.tsx
index eac1a06..299868b 100644
--- a/src/renderer/src/features/avatar/AvatarsView.tsx
+++ b/src/renderer/src/features/avatar/AvatarsView.tsx
@@ -1,7 +1,8 @@
 import { useEffect, useMemo, useState } from "react";
 import type { Avatar } from "../../../../shared/types/avatar";
-import { Pencil } from "lucide-react";
+import { CheckSquare, Pencil } from "lucide-react";
 import {
+  Button,
   CardGrid,
   CollapsibleCard,
   Field,
@@ -23,6 +24,7 @@ import {
 import { useSelf, useSocial } from "../../store/social";
 import { useViewState } from "../navigation/NavContext";
 import { AvatarCard } from "./AvatarCard";
+import { BulkMoveModal } from "./BulkMoveModal";
 import { FolderEditModal } from "./FolderEditModal";
 
 const SHELL = "mx-auto flex w-full max-w-[1100px] flex-col gap-5 px-12 pb-16 pt-10";
@@ -77,13 +79,57 @@ export function AvatarsView() {
           onChange={(e) => setQuery(e.target.value)}
         />
         <div className="rise-in" key={tab}>
-          {tab === "uploaded" ? <UploadedTab filter={filter} /> : <FavoritesTab filter={filter} />}
+          {tab === "uploaded" ? (
+            <UploadedTab filter={filter} />
+          ) : (
+            <FavoritesTab filter={filter} searching={query.trim().length > 0} />
+          )}
         </div>
       </div>
     </div>
   );
 }
 
+function BulkBar({ ids, onDone }: { ids: string[]; onDone: () => void }) {
+  const t = useT();
+  const [busy, setBusy] = useState<null | "move" | "unfavorite">(null);
+  const [moveOpen, setMoveOpen] = useState(false);
+
+  const unfavorite = async () => {
+    setBusy("unfavorite");
+    try {
+      await api.avatar.unfavoriteMany(ids);
+      onDone();
+    } finally {
+      setBusy(null);
+    }
+  };
+
+  return (
+    <div className="sticky bottom-4 z-10 mx-auto flex items-center gap-3 rounded-xl border border-border bg-surface-2/95 px-4 py-2.5 shadow-lg backdrop-blur">
+      <span className="text-[13px] font-medium tabular-nums">
+        {t("avatar:bulk.selected", { count: ids.length })}
+      </span>
+      <Button onClick={() => setMoveOpen(true)} loading={busy === "move"}>
+        {t("avatar:bulk.move")}
+      </Button>
+      <Button variant="ghost" onClick={unfavorite} loading={busy === "unfavorite"}>
+        {t("avatar:actions.unfavorite")}
+      </Button>
+      {moveOpen ? (
+        <BulkMoveModal
+          ids={ids}
+          onClose={() => setMoveOpen(false)}
+          onMoved={() => {
+            setMoveOpen(false);
+            onDone();
+          }}
+        />
+      ) : null}
+    </div>
+  );
+}
+
 function CurrentAvatarSection() {
   const t = useT();
   const self = useSelf();
@@ -116,21 +162,42 @@ function UploadedTab({ filter }: { filter: AvatarFilter }) {
   );
 }
 
-function FavoritesTab({ filter }: { filter: AvatarFilter }) {
+function FavoritesTab({ filter, searching }: { filter: AvatarFilter; searching: boolean }) {
   const t = useT();
   const folders = useFavoriteAvatars();
   const { maxPerGroup } = useFavoriteLimits();
   const [editFolder, setEditFolder] = useState<FavoriteFolder | null>(null);
+  const [selecting, setSelecting] = useState(false);
+  const [selected, setSelected] = useState<Set<string>>(() => new Set());
 
   if (!folders.length) return <SkeletonGrid count={6} />;
 
-  const shown = folders
-    .map((f) => ({ ...f, avatars: f.avatars.filter(filter) }))
-    .filter((f) => f.avatars.length);
+  const filtered = folders.map((f) => ({ ...f, avatars: f.avatars.filter(filter) }));
+  const shown = searching ? filtered.filter((f) => f.avatars.length) : filtered;
 
   if (!shown.length) return <p className="text-[13px] text-faint">{t("avatar:empty")}</p>;
+
+  const toggle = (id: string) =>
+    setSelected((s) => {
+      const next = new Set(s);
+      next.has(id) ? next.delete(id) : next.add(id);
+      return next;
+    });
+
+  const exitSelect = () => {
+    setSelecting(false);
+    setSelected(new Set());
+  };
+
   return (
     <div className="flex flex-col gap-5">
+      <div className="flex justify-end">
+        <Button variant="ghost" onClick={() => (selecting ? exitSelect() : setSelecting(true))}>
+          <CheckSquare size={15} />
+          {selecting ? t("avatar:bulk.done") : t("avatar:bulk.select")}
+        </Button>
+      </div>
+
       {shown.map((folder) => (
         <CollapsibleCard
           key={folder.name}
@@ -146,17 +213,32 @@ function FavoritesTab({ filter }: { filter: AvatarFilter }) {
             </IconButton>
           }
         >
-          <CardGrid>
-            {folder.avatars.map((a) => (
-              <AvatarCard key={a.id} avatar={a} showAuthor />
-            ))}
-          </CardGrid>
+          {folder.avatars.length ? (
+            <CardGrid>
+              {folder.avatars.map((a) => (
+                <AvatarCard
+                  key={a.id}
+                  avatar={a}
+                  showAuthor
+                  selectable={selecting}
+                  selected={selected.has(a.id)}
+                  onToggleSelect={() => toggle(a.id)}
+                />
+              ))}
+            </CardGrid>
+          ) : (
+            <p className="text-[13px] text-faint">{t("avatar:folder.empty")}</p>
+          )}
         </CollapsibleCard>
       ))}
 
       {editFolder ? (
         <FolderEditModal folder={editFolder} onClose={() => setEditFolder(null)} />
       ) : null}
+
+      {selecting && selected.size > 0 ? (
+        <BulkBar ids={[...selected]} onDone={exitSelect} />
+      ) : null}
     </div>
   );
 }
diff --git a/src/renderer/src/features/avatar/BulkMoveModal.tsx b/src/renderer/src/features/avatar/BulkMoveModal.tsx
new file mode 100644
index 0000000..20b37b0
--- /dev/null
+++ b/src/renderer/src/features/avatar/BulkMoveModal.tsx
@@ -0,0 +1,74 @@
+import { useState } from "react";
+import { FolderInput, Star } from "lucide-react";
+import { Modal } from "../../components/ui";
+import { api, errorMessage } from "../../lib/api";
+import { useT } from "../../lib/i18n";
+import { useFolderSlots } from "../../store/avatars";
+
+export function BulkMoveModal({
+  ids,
+  onClose,
+  onMoved,
+}: {
+  ids: string[];
+  onClose: () => void;
+  onMoved: () => void;
+}) {
+  const t = useT();
+  const slots = useFolderSlots();
+  const [busy, setBusy] = useState<string | null>(null);
+  const [error, setError] = useState<string | null>(null);
+  const [skipped, setSkipped] = useState<number | null>(null);
+
+  const move = async (folder: string) => {
+    setBusy(folder);
+    setError(null);
+    setSkipped(null);
+    try {
+      const result = await api.avatar.moveFavoriteMany(ids, folder);
+      if (result.skipped.length) {
+        setSkipped(result.skipped.length);
+        setBusy(null);
+      } else {
+        onMoved();
+      }
+    } catch (err) {
+      setError(errorMessage(err, t("avatar:actions.failed")));
+      setBusy(null);
+    }
+  };
+
+  return (
+    <Modal
+      open
+      onClose={onClose}
+      title={t("avatar:bulk.moveTitle", { count: ids.length })}
+      icon={<FolderInput size={16} />}
+    >
+      <div className="flex flex-col gap-1.5 text-left">
+        {slots.map((slot) => (
+          <button
+            key={slot.name}
+            onClick={() => move(slot.name)}
+            disabled={busy !== null}
+            className="flex items-center gap-2.5 rounded-lg border border-border bg-surface-2 px-3 py-2.5 text-left transition-colors hover:not-disabled:border-accent disabled:opacity-50"
+          >
+            <span className="text-faint">
+              <Star size={15} />
+            </span>
+            <span className="min-w-0 flex-1">
+              <span className="block truncate text-[13px] font-medium">{slot.displayName}</span>
+              <span className="text-[11px] tabular-nums text-faint">
+                {t("avatar:actions.folderCount", { count: slot.count })}
+              </span>
+            </span>
+          </button>
+        ))}
+        {skipped ? (
+          <p className="text-[12px] text-muted">{t("avatar:bulk.skipped", { count: skipped })}</p>
+        ) : null}
+        {error ? <p className="text-[12px] text-danger">{error}</p> : null}
+      </div>
+    </Modal>
+  );
+}
diff --git a/src/renderer/src/features/avatar/FavoriteModal.tsx b/src/renderer/src/features/avatar/FavoriteModal.tsx
index 237da7c..71bbbfa 100644
--- a/src/renderer/src/features/avatar/FavoriteModal.tsx
+++ b/src/renderer/src/features/avatar/FavoriteModal.tsx
@@ -19,6 +19,7 @@ export function FavoriteModal({
   const slots = useFolderSlots();
   const [busy, setBusy] = useState<string | null>(null);
   const [error, setError] = useState<string | null>(null);
+  const [skipped, setSkipped] = useState(false);
 
   const run = async (key: string, fn: () => Promise<void>) => {
     setBusy(key);
@@ -34,7 +35,22 @@ export function FavoriteModal({
 
   const pick = (folder: string) => {
     if (folder === currentFolder) return onClose();
-    if (currentFolder) return run(folder, () => api.avatar.moveFavorite(avatar.id, folder));
+    if (currentFolder) {
+      setBusy(folder);
+      setError(null);
+      setSkipped(false);
+      return api.avatar
+        .moveFavorite(avatar.id, folder)
+        .then((result) => {
+          if (result.skipped.length) {
+            setSkipped(true);
+            return;
+          }
+          onClose();
+        })
+        .catch((err) => setError(errorMessage(err, t("avatar:actions.failed"))))
+        .finally(() => setBusy(null));
+    }
     return run(folder, () => api.avatar.favorite(avatar.id, folder));
   };
 
@@ -83,6 +99,7 @@ export function FavoriteModal({
           </Button>
         ) : null}
 
+        {skipped ? <p className="text-[12px] text-muted">{t("avatar:bulk.skipped", { count: 1 })}</p> : null}
         {error ? <p className="text-[12px] text-danger">{error}</p> : null}
       </div>
     </Modal>
diff --git a/src/renderer/src/features/avatar/FolderEditModal.tsx b/src/renderer/src/features/avatar/FolderEditModal.tsx
index 46a1d5e..0827ec9 100644
--- a/src/renderer/src/features/avatar/FolderEditModal.tsx
+++ b/src/renderer/src/features/avatar/FolderEditModal.tsx
@@ -1,7 +1,7 @@
 import { useState } from "react";
-import { Pencil } from "lucide-react";
+import { Pencil, Trash2 } from "lucide-react";
 import type { FavoriteVisibility } from "../../../../shared/types/avatar";
-import { Field, INPUT_CLASS, Modal } from "../../components/ui";
+import { Button, Field, INPUT_CLASS, Modal } from "../../components/ui";
 import { api, errorMessage } from "../../lib/api";
 import { useT } from "../../lib/i18n";
 import type { FavoriteFolder } from "../../store/avatars";
@@ -19,6 +19,7 @@ export function FolderEditModal({
   const [displayName, setDisplayName] = useState(folder.displayName);
   const [visibility, setVisibility] = useState<FavoriteVisibility>(folder.visibility);
   const [busy, setBusy] = useState(false);
+  const [confirmClear, setConfirmClear] = useState(false);
   const [error, setError] = useState<string | null>(null);
 
   const save = async () => {
@@ -33,6 +34,19 @@ export function FolderEditModal({
     }
   };
 
+  const clear = async () => {
+    setBusy(true);
+    setError(null);
+    try {
+      await api.avatar.clearFavoriteFolder(folder.name);
+      onClose();
+    } catch (err) {
+      setError(errorMessage(err, t("avatar:actions.failed")));
+      setBusy(false);
+      setConfirmClear(false);
+    }
+  };
+
   return (
     <Modal
       open
@@ -64,6 +78,29 @@ export function FolderEditModal({
             ))}
           </select>
         </label>
+
+        {folder.count > 0 ? (
+          <div className="mt-1 border-t border-border pt-3">
+            {confirmClear ? (
+              <div className="flex items-center justify-between gap-3">
+                <span className="text-[12px] text-muted">
+                  {t("avatar:folder.clearConfirm", { count: folder.count })}
+                </span>
+                <Button variant="danger" onClick={clear} loading={busy}>
+                  {t("avatar:folder.clear")}
+                </Button>
+              </div>
+            ) : (
+              <button
+                onClick={() => setConfirmClear(true)}
+                className="flex items-center gap-1.5 text-[12px] font-medium text-danger transition-opacity hover:opacity-80"
+              >
+                <Trash2 size={13} /> {t("avatar:folder.clear")}
+              </button>
+            )}
+          </div>
+        ) : null}
+
         {error ? <p className="text-[12px] text-danger">{error}</p> : null}
       </div>
     </Modal>
diff --git a/src/renderer/src/lib/api.ts b/src/renderer/src/lib/api.ts
index a109321..7a5b9ac 100644
--- a/src/renderer/src/lib/api.ts
+++ b/src/renderer/src/lib/api.ts
@@ -5,7 +5,7 @@ import type { UserStatus } from "../../../shared/types/user";
 import type { EnhancementId } from "../../../shared/types/enhancements";
 import type { CreateInstanceInput } from "../../../shared/types/instance";
 import type { PreferredRegion } from "../../../shared/types/appConfig";
-import type { AvatarEdit, FavoriteGroupEdit } from "../../../shared/types/avatar";
+import type { AvatarEdit, FavoriteGroupEdit, MoveResult } from "../../../shared/types/avatar";
 
 export class ApiException extends Error {
   constructor(public readonly error: ApiError) {
@@ -80,8 +80,12 @@ export const api = {
     delete: (avatarId: string) => call("avatar:delete", avatarId),
     favorite: (avatarId: string, folder?: string) => call("avatar:favorite", { avatarId, folder }),
     unfavorite: (avatarId: string) => call("avatar:unfavorite", avatarId),
-    moveFavorite: (avatarId: string, folder: string) =>
+    moveFavorite: (avatarId: string, folder: string): Promise<MoveResult> =>
       call("avatar:moveFavorite", { avatarId, folder }),
+    unfavoriteMany: (avatarIds: string[]) => call("avatar:unfavoriteMany", avatarIds),
+    moveFavoriteMany: (avatarIds: string[], folder: string): Promise<MoveResult> =>
+      call("avatar:moveFavoriteMany", { avatarIds, folder }),
+    clearFavoriteFolder: (folder: string) => call("avatar:clearFavoriteFolder", folder),
     updateFavoriteFolder: (folder: string, edit: FavoriteGroupEdit) =>
       call("avatar:updateFavoriteFolder", { folder, edit }),
   },
diff --git a/src/renderer/src/lib/i18n/locales/en/avatar.json b/src/renderer/src/lib/i18n/locales/en/avatar.json
index e5dac62..59b74b2 100644
--- a/src/renderer/src/lib/i18n/locales/en/avatar.json
+++ b/src/renderer/src/lib/i18n/locales/en/avatar.json
@@ -39,13 +39,24 @@
     "edit": "Edit folder",
     "editTitle": "Edit folder",
     "name": "Folder name",
-    "visibility": "Visibility"
+    "visibility": "Visibility",
+    "clear": "Empty folder",
+    "clearConfirm": "Remove all {{count}} avatars?",
+    "empty": "This folder is empty."
   },
   "visibility": {
     "private": "Private",
     "friends": "Friends",
     "public": "Public"
   },
+  "bulk": {
+    "select": "Select",
+    "done": "Done",
+    "selected": "{{count}} selected",
+    "move": "Move",
+    "moveTitle": "Move {{count}} avatars",
+    "skipped": "{{count}} couldn't be moved (private or deleted) and were left in place."
+  },
   "performance": {
     "Excellent": "Excellent",
     "Good": "Good",
diff --git a/src/renderer/src/lib/i18n/locales/ja/avatar.json b/src/renderer/src/lib/i18n/locales/ja/avatar.json
index 3bdbcc0..40082dd 100644
--- a/src/renderer/src/lib/i18n/locales/ja/avatar.json
+++ b/src/renderer/src/lib/i18n/locales/ja/avatar.json
@@ -39,13 +39,24 @@
     "edit": "フォルダを編集",
     "editTitle": "フォルダを編集",
     "name": "フォルダ名",
-    "visibility": "公開設定"
+    "visibility": "公開設定",
+    "clear": "フォルダを空にする",
+    "clearConfirm": "{{count}} 体すべて削除しますか？",
+    "empty": "このフォルダは空です。"
   },
   "visibility": {
     "private": "非公開",
     "friends": "フレンド",
     "public": "公開"
   },
+  "bulk": {
+    "select": "選択",
+    "done": "完了",
+    "selected": "{{count}} 件選択中",
+    "move": "移動",
+    "moveTitle": "{{count}} 体を移動",
+    "skipped": "{{count}} 体は移動できず（非公開または削除済み）、そのままになりました。"
+  },
   "performance": {
     "Excellent": "非常に良い",
     "Good": "良い",
diff --git a/src/renderer/src/lib/i18n/locales/th/avatar.json b/src/renderer/src/lib/i18n/locales/th/avatar.json
index 42c7386..ce9bd38 100644
--- a/src/renderer/src/lib/i18n/locales/th/avatar.json
+++ b/src/renderer/src/lib/i18n/locales/th/avatar.json
@@ -39,13 +39,24 @@
     "edit": "แก้ไขโฟลเดอร์",
     "editTitle": "แก้ไขโฟลเดอร์",
     "name": "ชื่อโฟลเดอร์",
-    "visibility": "การมองเห็น"
+    "visibility": "การมองเห็น",
+    "clear": "ล้างโฟลเดอร์",
+    "clearConfirm": "ลบอวตารทั้งหมด {{count}} ตัวหรือไม่?",
+    "empty": "โฟลเดอร์นี้ว่างเปล่า"
   },
   "visibility": {
     "private": "ส่วนตัว",
     "friends": "เพื่อน",
     "public": "สาธารณะ"
   },
+  "bulk": {
+    "select": "เลือก",
+    "done": "เสร็จ",
+    "selected": "เลือก {{count}} รายการ",
+    "move": "ย้าย",
+    "moveTitle": "ย้าย {{count}} ตัว",
+    "skipped": "ย้ายไม่ได้ {{count}} ตัว (ส่วนตัวหรือถูกลบแล้ว) และยังอยู่ที่เดิม"
+  },
   "performance": {
     "Excellent": "ดีเยี่ยม",
     "Good": "ดี",
diff --git a/src/shared/ipc.ts b/src/shared/ipc.ts
index f0ec072..444fb8a 100644
--- a/src/shared/ipc.ts
+++ b/src/shared/ipc.ts
@@ -9,7 +9,13 @@ import type { SocialSnapshot, UserProfile, UserStatus } from "./types/user";
 import type { DiscoverCategory, FavoriteWorldFolder, World, WorldSnapshot } from "./types/world";
 import type { CreateInstanceInput, Instance, InstanceRegion } from "./types/instance";
 import type { UnityStatus } from "./types/unity";
-import type { Avatar, AvatarEdit, AvatarSnapshot, FavoriteGroupEdit } from "./types/avatar";
+import type {
+  Avatar,
+  AvatarEdit,
+  AvatarSnapshot,
+  FavoriteGroupEdit,
+  MoveResult,
+} from "./types/avatar";
 import type { RepoStats, StoredEntity } from "./types/repository";
 import type { AccountSettings, ContentFilterKey, Pending2Fa, RecoveryCode } from "./types/settings";
 import type { Group, GroupSnapshot } from "./types/group";
@@ -66,7 +72,10 @@ export interface IpcRequests {
   "avatar:delete": (avatarId: string) => IpcResult<void>;
   "avatar:favorite": (p: { avatarId: string; folder?: string }) => IpcResult<void>;
   "avatar:unfavorite": (avatarId: string) => IpcResult<void>;
-  "avatar:moveFavorite": (p: { avatarId: string; folder: string }) => IpcResult<void>;
+  "avatar:moveFavorite": (p: { avatarId: string; folder: string }) => IpcResult<MoveResult>;
+  "avatar:unfavoriteMany": (avatarIds: string[]) => IpcResult<void>;
+  "avatar:moveFavoriteMany": (p: { avatarIds: string[]; folder: string }) => IpcResult<MoveResult>;
+  "avatar:clearFavoriteFolder": (folder: string) => IpcResult<void>;
   "avatar:updateFavoriteFolder": (p: { folder: string; edit: FavoriteGroupEdit }) => IpcResult<void>;
 
   "group:byUser": (userId: string) => IpcResult<Group[]>;
diff --git a/src/shared/types/avatar.ts b/src/shared/types/avatar.ts
index 724c882..db901d0 100644
--- a/src/shared/types/avatar.ts
+++ b/src/shared/types/avatar.ts
@@ -48,6 +48,11 @@ export interface FavoriteGroupEdit {
   visibility?: FavoriteVisibility;
 }
 
+export interface MoveResult {
+  moved: number;
+  skipped: string[];
+}
+
 export interface AvatarSnapshot {
   avatars: Avatar[];
   mineIds: string[];