diff --git a/src/components/DuplicateFinder.tsx b/src/components/DuplicateFinder.tsx
index 67b361b..ce9c344 100644
--- a/src/components/DuplicateFinder.tsx
+++ b/src/components/DuplicateFinder.tsx
@@ -1,6 +1,7 @@
 import { useState } from "react";
 import { convertFileSrc } from "@tauri-apps/api/core";
 import { DuplicateGroup, useGalleryStore } from "../store";
+import { FolderScopeDropdown } from "./FolderScopeDropdown";
 
 function formatBytes(bytes: number): string {
   if (bytes >= 1_073_741_824) return `${(bytes / 1_073_741_824).toFixed(1)} GB`;
@@ -188,6 +189,7 @@ export function DuplicateFinder() {
             )}
           </div>
           <div className="flex items-center gap-2">
+            <FolderScopeDropdown />
             {/* Batch select — only shown when there are groups and nothing is selected yet */}
             {hasResults && selectedCount === 0 && !deleting && (
               <button
diff --git a/src/components/FolderScopeDropdown.tsx b/src/components/FolderScopeDropdown.tsx
new file mode 100644
index 0000000..3178bc4
--- /dev/null
+++ b/src/components/FolderScopeDropdown.tsx
@@ -0,0 +1,98 @@
+import { useEffect, useRef, useState } from "react";
+import { useGalleryStore } from "../store";
+
+/**
+ * In-view folder scope picker for feature views (Timeline / Explore /
+ * Duplicates). Changes the scope via setViewFolderScope, which keeps the
+ * current view active — unlike sidebar folder clicks, which jump to Gallery.
+ */
+export function FolderScopeDropdown() {
+  const [open, setOpen] = useState(false);
+  const ref = useRef<HTMLDivElement>(null);
+
+  const folders = useGalleryStore((state) => state.folders);
+  const selectedFolderId = useGalleryStore((state) => state.selectedFolderId);
+  const setViewFolderScope = useGalleryStore((state) => state.setViewFolderScope);
+
+  useEffect(() => {
+    const close = (e: MouseEvent) => {
+      if (!ref.current?.contains(e.target as Node)) setOpen(false);
+    };
+    window.addEventListener("pointerdown", close);
+    return () => window.removeEventListener("pointerdown", close);
+  }, []);
+
+  const currentLabel =
+    selectedFolderId === null
+      ? "All Media"
+      : folders.find((folder) => folder.id === selectedFolderId)?.name ?? "All Media";
+
+  const select = (folderId: number | null) => {
+    setViewFolderScope(folderId);
+    setOpen(false);
+  };
+
+  return (
+    <div ref={ref} className="relative">
+      <button
+        onClick={() => setOpen((v) => !v)}
+        className={`flex max-w-56 items-center gap-1.5 rounded-lg border px-3 py-1.5 text-xs transition-colors ${
+          open
+            ? "border-white/15 bg-white/8 text-white"
+            : "border-white/8 bg-transparent text-gray-400 hover:border-white/15 hover:text-gray-200"
+        }`}
+        title="Change folder scope"
+      >
+        <svg className="h-3.5 w-3.5 shrink-0 text-gray-500" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+          <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M3 7v10a2 2 0 002 2h14a2 2 0 002-2V9a2 2 0 00-2-2h-6l-2-2H5a2 2 0 00-2 2z" />
+        </svg>
+        <span className="truncate">{currentLabel}</span>
+        <svg
+          className={`h-3 w-3 shrink-0 text-gray-500 transition-transform duration-150 ${open ? "rotate-180" : ""}`}
+          fill="none" viewBox="0 0 24 24" stroke="currentColor"
+        >
+          <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M19 9l-7 7-7-7" />
+        </svg>
+      </button>
+      {open ? (
+        <div className="absolute right-0 top-full z-30 mt-1.5 max-h-80 min-w-52 overflow-y-auto rounded-xl border border-white/10 bg-gray-950/98 p-1 shadow-2xl backdrop-blur">
+          <button
+            className={`flex w-full items-center justify-between gap-3 rounded-lg px-3 py-2 text-left text-sm transition-colors ${
+              selectedFolderId === null ? "bg-white/6 text-white" : "text-gray-400 hover:bg-white/5 hover:text-white"
+            }`}
+            onClick={() => select(null)}
+          >
+            All Media
+            {selectedFolderId === null ? (
+              <svg className="h-3.5 w-3.5 shrink-0 text-blue-400" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2.5} d="M5 13l4 4L19 7" />
+              </svg>
+            ) : null}
+          </button>
+          {folders.map((folder) => {
+            const active = selectedFolderId === folder.id;
+            return (
+              <button
+                key={folder.id}
+                className={`flex w-full items-center justify-between gap-3 rounded-lg px-3 py-2 text-left text-sm transition-colors ${
+                  active ? "bg-white/6 text-white" : "text-gray-400 hover:bg-white/5 hover:text-white"
+                }`}
+                onClick={() => select(folder.id)}
+              >
+                <span className="min-w-0 truncate">{folder.name}</span>
+                <span className="flex shrink-0 items-center gap-2">
+                  <span className="text-[11px] tabular-nums text-gray-600">{folder.image_count.toLocaleString()}</span>
+                  {active ? (
+                    <svg className="h-3.5 w-3.5 text-blue-400" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+                      <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2.5} d="M5 13l4 4L19 7" />
+                    </svg>
+                  ) : null}
+                </span>
+              </button>
+            );
+          })}
+        </div>
+      ) : null}
+    </div>
+  );
+}
diff --git a/src/components/TagCloud.tsx b/src/components/TagCloud.tsx
index 43d2fcc..fffae2f 100644
--- a/src/components/TagCloud.tsx
+++ b/src/components/TagCloud.tsx
@@ -2,6 +2,7 @@ import { useEffect, useLayoutEffect, useMemo, useRef, useState } from "react";
 import { motion } from "framer-motion";
 import { convertFileSrc } from "@tauri-apps/api/core";
 import { ExploreTagEntry, TagCloudEntry, useGalleryStore } from "../store";
+import { FolderScopeDropdown } from "./FolderScopeDropdown";
 
 const ACCENTS = [
   "#60a5fa",
@@ -317,23 +318,26 @@ export function TagCloud() {
                     : "No tags — run the AI tagger or add tags manually"}
             </p>
           </div>
-          <div className="flex shrink-0 rounded-lg border border-white/8 bg-white/[0.03] p-0.5">
-            <button
-              className={`rounded-md px-3 py-1.5 text-xs transition-colors ${
-                exploreMode === "visual" ? "bg-white/10 text-white" : "text-gray-500 hover:text-gray-300"
-              }`}
-              onClick={() => setExploreMode("visual")}
-            >
-              Clusters
-            </button>
-            <button
-              className={`rounded-md px-3 py-1.5 text-xs transition-colors ${
-                exploreMode === "tags" ? "bg-white/10 text-white" : "text-gray-500 hover:text-gray-300"
-              }`}
-              onClick={() => setExploreMode("tags")}
-            >
-              Tag Cloud
-            </button>
+          <div className="flex shrink-0 items-center gap-2">
+            <FolderScopeDropdown />
+            <div className="flex rounded-lg border border-white/8 bg-white/[0.03] p-0.5">
+              <button
+                className={`rounded-md px-3 py-1.5 text-xs transition-colors ${
+                  exploreMode === "visual" ? "bg-white/10 text-white" : "text-gray-500 hover:text-gray-300"
+                }`}
+                onClick={() => setExploreMode("visual")}
+              >
+                Clusters
+              </button>
+              <button
+                className={`rounded-md px-3 py-1.5 text-xs transition-colors ${
+                  exploreMode === "tags" ? "bg-white/10 text-white" : "text-gray-500 hover:text-gray-300"
+                }`}
+                onClick={() => setExploreMode("tags")}
+              >
+                Tag Cloud
+              </button>
+            </div>
           </div>
         </div>
       </div>
diff --git a/src/components/Toolbar.tsx b/src/components/Toolbar.tsx
index 02f4041..c276410 100644
--- a/src/components/Toolbar.tsx
+++ b/src/components/Toolbar.tsx
@@ -1,6 +1,7 @@
 import { useEffect, useRef, useState } from "react";
 import { invoke } from "@tauri-apps/api/core";
 import { tileSizeForZoom, useGalleryStore, SortOrder, MediaFilter, SearchCommand, parseSearchValue, searchModeLabel, ExploreTagEntry } from "../store";
+import { FolderScopeDropdown } from "./FolderScopeDropdown";
 
 const BASE_SORT_OPTIONS: { value: SortOrder; label: string }[] = [
   { value: "date_desc", label: "Newest first" },
@@ -162,6 +163,7 @@ export function Toolbar() {
   const mediaJobProgress = useGalleryStore((state) => state.mediaJobProgress);
   const zoomPreset = useGalleryStore((state) => state.zoomPreset);
   const setZoomPreset = useGalleryStore((state) => state.setZoomPreset);
+  const activeView = useGalleryStore((state) => state.activeView);
 
   const hasAnyFailedEmbeddings = Object.values(mediaJobProgress).some((p) => p.embedding_failed > 0);
 
@@ -269,6 +271,8 @@ export function Toolbar() {
           )}
         </div>
 
+        {activeView === "timeline" ? <FolderScopeDropdown /> : null}
+
         <div className="flex-1" />
 
         {/* Search */}
diff --git a/src/store.ts b/src/store.ts
index 1fd5eb6..f5364b9 100644
--- a/src/store.ts
+++ b/src/store.ts
@@ -337,6 +337,7 @@ interface GalleryState {
   renameFolder: (folderId: number, newName: string) => Promise<void>;
   updateFolderPath: (folderId: number, newPath: string) => Promise<void>;
   selectFolder: (folderId: number | null) => void;
+  setViewFolderScope: (folderId: number | null) => void;
   loadImages: (reset?: boolean) => Promise<void>;
   loadMoreImages: () => Promise<void>;
   setSearch: (search: string) => void;
@@ -755,6 +756,34 @@ export const useGalleryStore = create<GalleryState>((set, get) => ({
     void get().loadImages(true);
   },
 
+  // Change folder scope from inside a feature view (Timeline/Explore/Duplicates)
+  // without leaving it — unlike selectFolder, activeView is preserved.
+  setViewFolderScope: (folderId) => {
+    const { activeView, selectedFolderId } = get();
+    if (folderId === selectedFolderId) return;
+
+    set({ selectedFolderId: folderId, images: [], loadedCount: 0, collectionTitle: null, similarSourceImageId: null, similarHasMore: false, imageLoadError: null });
+
+    if (activeView === "duplicates") {
+      const { duplicateScanFolderId } = get();
+      if (duplicateScanFolderId !== folderId) {
+        set({
+          duplicateGroups: [],
+          duplicateLastScanned: null,
+          duplicateScanFolderId: undefined,
+          duplicateScanWarning: null,
+        });
+        void get().loadDuplicateScanCache(folderId);
+      }
+      return;
+    }
+
+    // Explore reloads itself via TagCloud's useEffect on selectedFolderId.
+    if (activeView === "explore") return;
+
+    void get().loadImages(true);
+  },
+
   loadImages: async (reset = false) => {
     const { selectedFolderId, search, sort, loadedCount, mediaFilter, favoritesOnly, minimumRating, failedEmbeddingsOnly } = get();
     const parsedSearch = parseSearchValue(search);