diff --git a/package-lock.json b/package-lock.json
index 470de18b..608b4a8c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,7 +13,6 @@
         "@ffprobe-installer/ffprobe": "2.1.2",
         "@iharbeck/ngx-virtual-scroller": "17.0.2",
         "@ngx-translate/core": "15.0.0",
-        "@tweenjs/tween.js": "^25.0.0",
         "an-qrcode": "1.0.7",
         "async": "3.2.6",
         "body-parser": "1.20.3",
@@ -46,6 +45,7 @@
         "@angular/platform-browser": "18.2.8",
         "@angular/platform-browser-dynamic": "18.2.8",
         "@angular/router": "18.2.8",
+        "@tweenjs/tween.js": "25.0.0",
         "@types/node": "22.7.8",
         "@typescript-eslint/eslint-plugin": "8.11.0",
         "@typescript-eslint/parser": "8.11.0",
@@ -5711,6 +5711,7 @@
       "version": "25.0.0",
       "resolved": "https://registry.npmjs.org/@tweenjs/tween.js/-/tween.js-25.0.0.tgz",
       "integrity": "sha512-XKLA6syeBUaPzx4j3qwMqzzq+V4uo72BnlbOjmuljLrRqdsd3qnzvZZoxvMHZ23ndsRS4aufU6JOZYpCbU6T1A==",
+      "dev": true,
       "license": "MIT"
     },
     "node_modules/@types/body-parser": {
diff --git a/src/app/app.component.html b/src/app/app.component.html
index 66d11b44..9b9e097f 100644
--- a/src/app/app.component.html
+++ b/src/app/app.component.html
@@ -1,3 +1,22 @@
-<router-outlet></router-outlet>
+<div class="sticky top-0 bg-white z-50 p-4 shadow-sm flex items-center">
+  <button (click)="checkDuplicates()" class="p-2 rounded shadow">
+    🔍 Find Duplicates by Name/Tags
+  </button>
+
+  <span *ngIf="duplicates.length > 0" class="ml-4">
+    Found {{ duplicates.length }} duplicates
+  </span>
+</div>
 
+<router-outlet></router-outlet>
 <app-svg-definitions></app-svg-definitions>
+
+<div *ngIf="duplicates.length > 0" class="p-4 bg-gray-50">
+  <h3 class="mb-2">Duplicate videos:</h3>
+  <ul class="list-disc list-inside">
+    <li *ngFor="let d of duplicates">
+      {{ d.fileName }}
+      <span *ngIf="d.tags?.length">— Tags: {{ d.tags.join(', ') }}</span>
+    </li>
+  </ul>
+</div>
diff --git a/src/app/app.component.ts b/src/app/app.component.ts
index 5bd4a44f..652c186c 100644
--- a/src/app/app.component.ts
+++ b/src/app/app.component.ts
@@ -1,21 +1,31 @@
-import { Component } from '@angular/core';
-import { ElectronService } from './providers/electron.service';
+import { Component, OnInit } from '@angular/core';
+import { ElectronService }     from './providers/electron.service';
+import { ImageElementService } from './services/image-element.service';
+import type { ImageElement }   from '../../interfaces/final-object.interface';
 
 @Component({
   selector: 'app-root',
   templateUrl: './app.component.html'
 })
-export class AppComponent {
+export class AppComponent implements OnInit {
+  duplicates: ImageElement[] = [];
 
   constructor(
-    public electronService: ElectronService
-  ) {
+    public electronService: ElectronService,
+    private imageElementService: ImageElementService
+  ) {}
 
-    if (electronService.isElectron()) {
+  ngOnInit(): void {
+    if (this.electronService.isElectron()) {
       console.log('Mode electron');
     } else {
       console.log('Mode web');
     }
   }
 
+  /** Called when the user clicks “Find Duplicates” */
+  checkDuplicates(): void {
+    this.duplicates = this.imageElementService.findDuplicatesByTagsOrName();
+    console.log('Found duplicates:', this.duplicates);
+  }
 }
diff --git a/src/app/components/home.component.ts b/src/app/components/home.component.ts
index 7169ebce..9f7b50af 100644
--- a/src/app/components/home.component.ts
+++ b/src/app/components/home.component.ts
@@ -758,15 +758,27 @@ export class HomeComponent implements OnInit, AfterViewInit {
       this.vhaFileHistory = (settingsObject.vhaFileHistory || []);
       this.restoreSettingsFromBefore(settingsObject);
       this.setOrRestoreLanguage(settingsObject.appState.language, locale);
+
       if (this.appState.currentZoomLevel !== 1) {
+        // restore zoom
         this.electronService.webFrame.setZoomFactor(this.appState.currentZoomLevel);
+
+        // —————————————————————————
+        // Immediately recompute gallery layout
+        // —————————————————————————
+        setTimeout(() => {
+          this.computePreviewWidth();
+          this.virtualScroller.refresh();
+        }, 0);
       }
+
       if (settingsObject.appState.currentVhaFile) {
         this.loadThisVhaFile(settingsObject.appState.currentVhaFile);
       } else {
         this.wizard.showWizard = true;
         this.flickerReduceOverlay = false;
       }
+
       if (settingsObject.shortcuts) {
         this.shortcutService.initializeFromSaved(settingsObject.shortcuts);
       }
diff --git a/src/app/components/top/top.component.html b/src/app/components/top/top.component.html
index 390f4d53..23747abc 100644
--- a/src/app/components/top/top.component.html
+++ b/src/app/components/top/top.component.html
@@ -3,7 +3,11 @@
   class="folder-container"
   [ngClass]="{ 'dark-mode-override': darkMode }"
 >
-  <app-icon class="icon" [icon]="'icon-folder-blank'" (click)="openInExplorer()"></app-icon>
+  <app-icon
+    class="icon"
+    [icon]="'icon-folder-blank'"
+    (click)="openInExplorer()"
+  ></app-icon>
   <span
     *ngFor="let item of folderNameArray"
     (click)="folderWordClicked(item)"
@@ -18,7 +22,11 @@
   class="file-container"
   [ngClass]="{ 'dark-mode-override': darkMode }"
 >
-  <app-icon class="icon" [icon]="'icon-video-blank'" (click)="openInExplorer()"></app-icon>
+  <app-icon
+    class="icon"
+    [icon]="'icon-video-blank'"
+    (click)="openInExplorer()"
+  ></app-icon>
   <span
     *ngFor="let item of fileNameArray"
     (click)="fileWordClicked(item)"
@@ -27,3 +35,12 @@
     {{ item }}
   </span>
 </div>
+
+<!-- Find Duplicates Button -->
+<app-icon
+  class="icon"
+  [icon]="'icon-search'"
+  (click)="checkDuplicates()"
+  title="Find duplicates with names/tags"
+></app-icon>
+
diff --git a/src/app/components/top/top.component.ts b/src/app/components/top/top.component.ts
index 2d9d076d..a56d3179 100644
--- a/src/app/components/top/top.component.ts
+++ b/src/app/components/top/top.component.ts
@@ -1,10 +1,13 @@
 import { Component, EventEmitter, Input, Output } from '@angular/core';
+import { ImageElementService } from '../../services/image-element.service';
 
 @Component({
   selector: 'app-top-component',
   templateUrl: './top.component.html',
-  styleUrls: ['./top.component.scss',
-              '../../fonts/icons.scss']
+  styleUrls: [
+    './top.component.scss',
+    '../../fonts/icons.scss'
+  ]
 })
 export class TopComponent {
 
@@ -37,12 +40,13 @@ export class TopComponent {
   public folderNameArray: string[];
   public fileNameArray: string[];
 
+  constructor(private imageElementService: ImageElementService) {}
+
   public folderWordClicked(item: string): void {
     this.onFolderWordClicked.emit(item.trim());
   }
 
   public fileWordClicked(item: string): void {
-    // Strip away any of: {}()[].,
     const regex = /{|}|\(|\)|\[|\]|\.|\,/g;
     item = item.replace(regex, '');
     this.onFileWordClicked.emit(item.trim());
@@ -52,4 +56,8 @@ export class TopComponent {
     this.onOpenInExplorer.emit(true);
   }
 
+  /** Called by the toolbar button to trigger duplicate detection */
+  public checkDuplicates(): void {
+    this.imageElementService.findDuplicatesByTagsOrName();
+  }
 }
diff --git a/src/app/components/views/filmstrip/filmstrip.component.html b/src/app/components/views/filmstrip/filmstrip.component.html
index 265bbc54..a04f54ed 100644
--- a/src/app/components/views/filmstrip/filmstrip.component.html
+++ b/src/app/components/views/filmstrip/filmstrip.component.html
@@ -14,7 +14,8 @@
         height: imgHeight + 'px',
         'background-image': 'url(' + fullFilePath + ')',
         'background-position-x': '-' + filmXoffset + 'px',
-        'background-size': 'auto ' + imgHeight + 'px'
+        'background-size': 'auto ' + imgHeight + 'px',
+        'padding': isVertical(video) ? '2px 4px' : '10px'
       }"
   >
     <span *ngIf="showMeta" class="time">{{ video.durationDisplay }}</span>
diff --git a/src/app/components/views/filmstrip/filmstrip.component.ts b/src/app/components/views/filmstrip/filmstrip.component.ts
index 7c6a0f52..3764d1f8 100644
--- a/src/app/components/views/filmstrip/filmstrip.component.ts
+++ b/src/app/components/views/filmstrip/filmstrip.component.ts
@@ -29,7 +29,6 @@ export class FilmstripComponent implements OnInit {
   @Output() rightClick = new EventEmitter<RightClickEmit>();
 
   @Input() video: ImageElement;
-
   @Input() compactView: boolean;
   @Input() darkMode: boolean;
   @Input() elHeight: number;
@@ -55,6 +54,14 @@ export class FilmstripComponent implements OnInit {
     this.fullFilePath = this.filePathService.createFilePath(this.folderPath, this.hubName, 'filmstrips', this.video.hash);
   }
 
+  /**
+   * Return true if this video is portrait (vertical) orientation
+   */
+  public isVertical(video: ImageElement): boolean {
+    console.log('Video dimensions:', video.width, video.height);
+    return video.width < video.height;
+  }
+
   updateFilmXoffset($event) {
     if (this.hoverScrub) {
       const imgWidth = this.imgHeight * (16 / 9); // hardcoded aspect ratio
diff --git a/src/app/services/image-element.service.ts b/src/app/services/image-element.service.ts
index 8507cb79..86895503 100644
--- a/src/app/services/image-element.service.ts
+++ b/src/app/services/image-element.service.ts
@@ -125,5 +125,27 @@ constructor() { }
         splice(this.imageElements[position].tags.indexOf(emission.tag), 1);
     }
   }
+  /**
+   * Find duplicates based on exact fileName match or shared tags
+   */
+  public findDuplicatesByTagsOrName(): ImageElement[] {
+  // 1) Finds all filenames that occur more than once
+  const allNames = this.imageElements.map(el => el.fileName);
+  const dupNames = new Set(
+    allNames.filter((name, i, arr) => arr.indexOf(name) !== i)
+  );
+
+  // 2) Finds all tags that occur more than once
+  const allTags = this.imageElements.flatMap(el => el.tags || []);
+  const dupTags = new Set(
+    allTags.filter((tag, i, arr) => arr.indexOf(tag) !== i)
+  );
+
+  // 3) Returns every element whose name or whose tags hit one of those duplicates
+  return this.imageElements.filter(el =>
+    dupNames.has(el.fileName) ||
+    (el.tags ?? []).some(tag => dupTags.has(tag))
+  );
+}
 
 }