diff --git a/frontend/index.html b/frontend/index.html
index adea8db..1426e35 100644
--- a/frontend/index.html
+++ b/frontend/index.html
@@ -222,6 +222,19 @@
         </div>
         <div id="users-list" class="flex flex-col gap-2"></div>
       </div>
+      <!-- Обновить все метаданные (только admin) -->
+      <div id="refresh-all-section" class="hidden px-5 py-4 border-t border-gray-800">
+        <h3 class="text-sm font-semibold text-gray-300 uppercase tracking-wider mb-1">Обновить все метаданные</h3>
+        <p class="text-xs text-gray-500 mb-3">Запускает браузер для каждой скачанной манги: обновляет обложку, синопсис, жанры и метаданные в файлах CBZ/PDF/EPUB.</p>
+        <div class="flex items-center gap-3 flex-wrap">
+          <button id="refresh-all-btn" onclick="refreshAllMeta()"
+            class="text-xs px-4 py-2 rounded-lg font-semibold text-white"
+            style="background:#312e81;border:1px solid #4338ca;color:#a78bfa">
+            🔄 Обновить все метаданные
+          </button>
+          <div id="refresh-all-status" class="text-xs text-gray-400 hidden"></div>
+        </div>
+      </div>
       <!-- Смена своего пароля -->
       <div id="chpwd-section" class="px-5 py-4 border-t border-gray-800">
         <h3 class="text-sm font-semibold text-gray-300 uppercase tracking-wider mb-3">Сменить пароль</h3>
@@ -703,6 +716,18 @@ function handleEvent(msg) {
       _updateMetaBtn(msg.url, msg.failed === -1 ? 'error' : 'done');
       break;
 
+    case 'refresh_all_started':
+      _handleRefreshAllStarted(msg);
+      break;
+
+    case 'refresh_all_progress':
+      _handleRefreshAllProgress(msg);
+      break;
+
+    case 'refresh_all_done':
+      _handleRefreshAllDone(msg);
+      break;
+
     case 'manga_meta_updated':
       if(state.mangas[msg.url]) {
         state.mangas[msg.url].title = msg.title;
@@ -812,7 +837,7 @@ function switchTab(tab) {
   document.getElementById('manga-filters').classList.toggle('hidden', tab !== 'mangas');
   if(tab === 'history') loadHistory();
   if(tab === 'news') { newsUnreadCount = 0; updateNewsBadge(); loadNews(); }
-  if(tab === 'settings') { loadSources(); showUsersSection(); }
+  if(tab === 'settings') { loadSources(); showUsersSection(); showRefreshAllSection(); }
 }
 
 function updateNewsBadge() {
@@ -1132,6 +1157,11 @@ function showUsersSection() {
   }
 }
 
+function showRefreshAllSection() {
+  const el = document.getElementById('refresh-all-section');
+  if(el) el.classList.toggle('hidden', !isAdmin());
+}
+
 async function loadUsers() {
   if(!isAdmin()) return;
   try {
@@ -1654,7 +1684,7 @@ function _updateMetaBtn(url, result) {
     btn.style.color = '#4ade80';
     btn.style.borderColor = '#166534';
     setTimeout(() => {
-      btn.innerHTML = '🏷 Обновить метатеги';
+      btn.innerHTML = '🏷 Обновить метаданные';
       btn.style.color = '#a78bfa';
       btn.style.borderColor = '#312e81';
     }, 2500);
@@ -1664,12 +1694,12 @@ function _updateMetaBtn(url, result) {
     btn.style.color = '#f87171';
     btn.style.borderColor = '#7f1d1d';
     setTimeout(() => {
-      btn.innerHTML = '🏷 Обновить метатеги';
+      btn.innerHTML = '🏷 Обновить метаданные';
       btn.style.color = '#a78bfa';
       btn.style.borderColor = '#312e81';
     }, 3000);
   } else {
-    btn.innerHTML = '🏷 Обновить метатеги';
+    btn.innerHTML = '🏷 Обновить метаданные';
     btn.disabled = false;
     btn.style.color = '#a78bfa';
     btn.style.borderColor = '#312e81';
@@ -1691,6 +1721,46 @@ async function refreshMetaModal(url) {
   // Спиннер появится через WS meta_refresh_started, исчезнет через meta_refreshed
 }
 
+async function refreshAllMeta() {
+  const btn = document.getElementById('refresh-all-btn');
+  const status = document.getElementById('refresh-all-status');
+  const r = await fetch('/api/mangas/refresh_all_meta', {method:'POST'});
+  if(!r.ok) {
+    const err = await r.json().catch(() => ({}));
+    if(status) { status.textContent = err.detail || 'Ошибка запуска'; status.classList.remove('hidden'); status.style.color = '#f87171'; }
+    return;
+  }
+  if(btn) { btn.disabled = true; btn.textContent = '⏳ Запускаем...'; }
+  if(status) { status.textContent = 'Инициализация...'; status.classList.remove('hidden'); status.style.color = '#94a3b8'; }
+}
+
+function _handleRefreshAllStarted(data) {
+  const btn = document.getElementById('refresh-all-btn');
+  const status = document.getElementById('refresh-all-status');
+  if(btn) { btn.disabled = true; btn.textContent = '⏳ Обновляем...'; }
+  if(status) { status.textContent = `0 / ${data.total}`; status.classList.remove('hidden'); status.style.color = '#94a3b8'; }
+}
+
+function _handleRefreshAllProgress(data) {
+  const status = document.getElementById('refresh-all-status');
+  if(status) {
+    const title = data.title ? ` — ${data.title}` : '';
+    status.textContent = `${data.done + 1} / ${data.total}${title}`;
+    status.style.color = '#94a3b8';
+  }
+}
+
+function _handleRefreshAllDone(data) {
+  const btn = document.getElementById('refresh-all-btn');
+  const status = document.getElementById('refresh-all-status');
+  if(btn) { btn.disabled = false; btn.textContent = '🔄 Обновить все метаданные'; }
+  if(status) {
+    status.textContent = `Готово: ${data.total} манг, обновлено файлов: ${data.total_updated}`;
+    status.style.color = '#4ade80';
+    status.classList.remove('hidden');
+  }
+}
+
 async function forceRedownload(url, closeModalAfter = false) {
   if(!confirm('Скачать заново ВСЕ главы? Уже скачанные файлы будут перезаписаны.')) return;
   const r = await fetch('/api/mangas/force_redownload?url='+encodeURIComponent(url), {method:'POST'});
@@ -2236,7 +2306,7 @@ function renderModalBody(data) {
         <button id="modal-refresh-meta-btn" onclick="refreshMetaModal('${escHtml(data.url)}')"
           class="flex items-center gap-2 px-4 py-2 rounded-lg text-sm font-semibold transition-colors"
           style="background:#1e1b4b;color:#a78bfa;border:1px solid #312e81">
-          🏷 Обновить метатеги
+          🏷 Обновить метаданные
         </button>` : ''}
         ${data.status !== 'downloading' && data.status !== 'queued' && isAdmin() ? `
         <button onclick="forceRedownloadModal('${escHtml(data.url)}')"
diff --git a/src/api.py b/src/api.py
index a2f09cd..7a9077d 100644
--- a/src/api.py
+++ b/src/api.py
@@ -18,7 +18,7 @@ from fastapi.staticfiles import StaticFiles
 from pydantic import BaseModel
 from loguru import logger
 from .state import StateDB
-from .worker import download_manga, check_for_updates
+from .worker import download_manga, check_for_updates, refresh_manga_metadata
 from .browser import BrowserManager
 from .exporter import patch_meta, MangaMeta
 from .sources import registry, get_source_for_url, extract_domain
@@ -73,6 +73,7 @@ ws_manager = ConnectionManager()
 # ── Очередь загрузки ─────────────────────────
 download_queue: asyncio.Queue = asyncio.Queue()
 active_tasks: dict = {}
+_refresh_all_running: bool = False
 async def _broadcast_queue_positions():
     queue_list = list(download_queue._queue)
     positions = {job["url"]: i + 1 for i, job in enumerate(queue_list)}
@@ -693,106 +694,75 @@ async def refresh_meta(url: str, current_user: dict = Depends(get_current_user))
         db.close()
     asyncio.create_task(_do_refresh_meta(url))
     return {"ok": True}
-def _patch_meta_sync(manga: dict, chapters: list, chapters_total: int, pub_status: str) -> tuple[int, int]:
-    updated = failed = 0
-    url = manga["url"]
-    summary = manga.get("description") or ""
-    tags_raw = manga.get("tags") or ""
-    try:
-        tags_str = ", ".join(json.loads(tags_raw)) if tags_raw else ""
-    except Exception:
-        tags_str = ""
-    for ch in chapters:
-        for fmt_col in ("output_cbz", "output_pdf", "output_epub"):
-            fpath = ch.get(fmt_col)
-            if not fpath:
-                continue
-            p = Path(fpath)
-            if not p.exists():
-                continue
-            meta = MangaMeta(
-                series=manga.get("title_ru") or manga.get("title") or "",
-                series_full=manga.get("title_full") or "",
-                chapter_title=ch.get("title") or "",
-                number=float(ch.get("number") or 0),
-                volume=int(ch.get("volume") or 0),
-                chapters_total=chapters_total,
-                pub_status=pub_status,
-                source_url=url,
-                summary=summary,
-                tags=tags_str,
-            )
-            if patch_meta(p, meta):
-                updated += 1
-            else:
-                failed += 1
-    return updated, failed
-
-def _refresh_cover_sync(manga: dict, manga_dir: Path) -> None:
-    """Скачивает или обновляет обложку через urllib (синхронно, для asyncio.to_thread)."""
-    import urllib.request as _urllib_req
-    import re as _re
-
-    cover_url = manga.get("cover_url") or ""
-    if not cover_url:
-        return
-
-    # Определяем Referer по URL обложки (MangaLib CDN — cdnlibs / mangalib)
-    if any(pat in cover_url for pat in ("mangalib", "cdnlibs", "imglib")):
-        referer = "https://mangalib.me/"
-    else:
-        from urllib.parse import urlparse as _up
-        parsed = _up(manga.get("url") or "")
-        referer = f"{parsed.scheme}://{parsed.netloc}/" if parsed.netloc else "https://readmanga.ru/"
-
-    try:
-        req = _urllib_req.Request(cover_url, headers={
-            "User-Agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 Chrome/124.0.0.0",
-            "Referer": referer,
-            "Accept": "image/png,image/jpeg,image/webp,image/*,*/*",
-        })
-        with _urllib_req.urlopen(req, timeout=30) as resp:
-            body = resp.read()
-        if len(body) < 500:
-            logger.warning("refresh_cover: слишком малый ответ ({} байт)", len(body))
-            return
-        m = _re.search(r"\.(jpg|jpeg|png|webp)(\?|$)", cover_url, _re.IGNORECASE)
-        ext = ("." + (m.group(1).lower() if m else "jpg")).replace(".jpeg", ".jpg")
-        cover_path = manga_dir / f"cover{ext}"
-        cover_path.write_bytes(body)
-        logger.info("Обложка обновлена: {} ({} байт)", cover_path.name, len(body))
-    except Exception as e:
-        logger.warning("refresh_cover error {}: {}", cover_url, e)
-
-
 async def _do_refresh_meta(url: str):
-    db = StateDB()
-    try:
-        manga = db.get_manga(url)
-        if not manga:
-            return
-        chapters = db.get_all_chapters(url)
-        chapters_total = len(chapters)
-        pub_status = manga.get("pub_status", "unknown") or "unknown"
-    finally:
-        db.close()
     try:
         await ws_manager.broadcast({"type": "meta_refresh_started", "url": url})
-        updated, failed = await asyncio.to_thread(_patch_meta_sync, manga, chapters, chapters_total, pub_status)
-        logger.info("refresh_meta {}: обновлено {}, ошибок {}", url, updated, failed)
-
-        # Обновляем обложку если у манги формат cbz
-        manga_fmt = manga.get("format", "cbz") or "cbz"
-        if manga_fmt in ("cbz", "all") and manga.get("cover_url"):
-            manga_dir = _manga_folder(manga)
-            if manga_dir.exists():
-                await asyncio.to_thread(_refresh_cover_sync, manga, manga_dir)
-
+        updated, failed = await refresh_manga_metadata(url)
         await ws_manager.broadcast({"type": "meta_refreshed", "url": url,
                                     "updated": updated, "failed": failed})
     except Exception as e:
         logger.error("_do_refresh_meta {}: {}", url, e)
         await ws_manager.broadcast({"type": "meta_refreshed", "url": url, "updated": 0, "failed": -1})
+
+
+@app.post("/api/mangas/refresh_all_meta")
+async def refresh_all_meta_endpoint(current_user: dict = Depends(require_admin)):
+    global _refresh_all_running
+    if _refresh_all_running:
+        raise HTTPException(status_code=409, detail="Обновление метаданных уже выполняется")
+    asyncio.create_task(_do_refresh_all_meta())
+    return {"ok": True}
+
+
+@app.get("/api/mangas/refresh_all_meta/status")
+async def refresh_all_meta_status(current_user: dict = Depends(require_admin)):
+    return {"running": _refresh_all_running}
+
+
+async def _do_refresh_all_meta():
+    global _refresh_all_running
+    _refresh_all_running = True
+    db = StateDB()
+    try:
+        mangas = db.get_all_mangas()
+    finally:
+        db.close()
+
+    done_mangas = [m for m in mangas if m["status"] == "done"]
+    total = len(done_mangas)
+    await ws_manager.broadcast({"type": "refresh_all_started", "total": total})
+    logger.info("refresh_all_meta: начало, всего манг: {}", total)
+
+    total_updated = total_failed = 0
+    try:
+        for i, manga in enumerate(done_mangas):
+            url = manga["url"]
+            await ws_manager.broadcast({
+                "type": "refresh_all_progress",
+                "done": i,
+                "total": total,
+                "url": url,
+                "title": manga.get("title_ru") or manga.get("title") or url,
+            })
+            try:
+                updated, failed = await refresh_manga_metadata(url)
+                total_updated += updated
+                total_failed += failed
+            except Exception as e:
+                logger.error("refresh_all_meta {}: {}", url, e)
+
+        await ws_manager.broadcast({
+            "type": "refresh_all_done",
+            "total": total,
+            "total_updated": total_updated,
+            "total_failed": total_failed,
+        })
+        logger.info("refresh_all_meta: завершено, обновлено файлов: {}, ошибок: {}",
+                    total_updated, total_failed)
+    finally:
+        _refresh_all_running = False
+
+
 class UpdateMetaRequest(BaseModel):
     url: str
     title_ru: str
diff --git a/src/worker.py b/src/worker.py
index cef844c..ea2a67e 100644
--- a/src/worker.py
+++ b/src/worker.py
@@ -13,7 +13,7 @@ from .browser import BrowserManager
 from .sources import registry, get_source_for_url, extract_domain
 import json as _json
 from .sources.base import Chapter, MangaInfo, AuthRequiredError
-from .exporter import export, MangaMeta
+from .exporter import export, patch_meta, MangaMeta
 from .state import StateDB
 from .utils import safe_name, safe_chapter_name
 
@@ -555,3 +555,129 @@ async def check_for_updates(
     finally:
         db.close()
 
+
+async def refresh_manga_metadata(
+    url: str,
+    output_dir: Path = OUTPUT_DIR,
+    on_event: Optional[Callable] = None,
+) -> tuple[int, int]:
+    """
+    Обновляет метаданные манги через браузер: скачивает обложку через Playwright,
+    обновляет ComicInfo.xml/PDF/EPUB с актуальными данными (включая жанры и синопсис).
+    Возвращает (updated, failed).
+    """
+    async def emit(event: dict):
+        if on_event:
+            try:
+                await on_event(event)
+            except Exception:
+                pass
+
+    db = StateDB()
+    db_lock = asyncio.Lock()
+
+    async def db_call(fn, *args, **kwargs):
+        async with db_lock:
+            return fn(*args, **kwargs)
+
+    try:
+        source = get_source_for_url(url, db)
+        if source is None:
+            manga_row = await db_call(db.get_manga, url)
+            if manga_row and manga_row.get("source_id"):
+                source = registry.get_by_db_id(manga_row["source_id"], db)
+        if source is None:
+            logger.warning("refresh_manga_metadata: источник не найден для {}", url)
+            return 0, 0
+
+        # Inject auth token for sources that need it
+        if hasattr(source, "auth_token"):
+            _src_row = await db_call(db.get_source_by_slug, source.slug)
+            if _src_row:
+                _settings_raw = _src_row.get("settings") or "{}"
+                try:
+                    _settings = _json.loads(_settings_raw) if isinstance(_settings_raw, str) else (_settings_raw or {})
+                except Exception:
+                    _settings = {}
+                source.auth_token = _settings.get("auth_token") or None
+
+        async with BrowserManager(headless=True) as bm:
+            _, page = await bm.new_page()
+            try:
+                manga = await source.get_manga_info(page, url)
+                if not manga:
+                    logger.warning("refresh_manga_metadata: get_manga_info вернул None для {}", url)
+                    return 0, 0
+
+                # Сохраняем свежие данные в БД
+                await db_call(
+                    db.update_manga_info, url,
+                    title=manga.title_ru or manga.title,
+                    chapters_total=len(manga.chapters),
+                    title_ru=manga.title_ru,
+                    title_full=manga.title_full,
+                    pub_status=manga.pub_status,
+                    description=manga.description,
+                    tags=_json.dumps(manga.tags, ensure_ascii=False) if manga.tags else "",
+                    cover_url=manga.cover_url,
+                )
+
+                # Скачиваем обложку через Playwright (правильные куки/заголовки)
+                manga_row = await db_call(db.get_manga, url)
+                manga_fmt = (manga_row or {}).get("format", "cbz") or "cbz"
+                folder_name = (
+                    (manga_row.get("folder_name") if manga_row else None)
+                    or safe_name(manga.title_ru or manga.title)
+                )
+                manga_dir = output_dir / folder_name
+
+                if manga.cover_url and manga_fmt in ("cbz", "all") and manga_dir.exists():
+                    await _download_cover(manga.cover_url, manga_dir, url, page)
+
+                # Обновляем метаданные в файлах с актуальными данными из источника
+                chapters = await db_call(db.get_all_chapters, url)
+                chapters_total = len(chapters)
+                series = manga.title_ru or manga.title
+                series_full = manga.title_full or ""
+                pub_status = manga.pub_status or "unknown"
+                summary = manga.description or ""
+                tags_str = ", ".join(manga.tags) if manga.tags else ""
+                genre_str = ", ".join(manga.genres) if manga.genres else ""
+
+                def do_patch():
+                    updated = failed = 0
+                    for ch in chapters:
+                        for fmt_col in ("output_cbz", "output_pdf", "output_epub"):
+                            fpath = ch.get(fmt_col)
+                            if not fpath:
+                                continue
+                            p = Path(fpath)
+                            if not p.exists():
+                                continue
+                            meta = MangaMeta(
+                                series=series,
+                                series_full=series_full,
+                                chapter_title=ch.get("title") or "",
+                                number=float(ch.get("number") or 0),
+                                volume=int(ch.get("volume") or 0),
+                                chapters_total=chapters_total,
+                                pub_status=pub_status,
+                                source_url=url,
+                                summary=summary,
+                                tags=tags_str,
+                                genre=genre_str,
+                            )
+                            if patch_meta(p, meta):
+                                updated += 1
+                            else:
+                                failed += 1
+                    return updated, failed
+
+                updated, failed = await asyncio.to_thread(do_patch)
+                logger.info("refresh_manga_metadata {}: обновлено {}, ошибок {}", url, updated, failed)
+                return updated, failed
+            finally:
+                await page.close()
+    finally:
+        db.close()
+