diff --git a/mediarepo-ui/src/app/app.module.ts b/mediarepo-ui/src/app/app.module.ts
index 62057b4..042f63c 100644
--- a/mediarepo-ui/src/app/app.module.ts
+++ b/mediarepo-ui/src/app/app.module.ts
@@ -1,12 +1,12 @@
-import { NgModule } from '@angular/core';
-import { BrowserModule } from '@angular/platform-browser';
+import {NgModule} from '@angular/core';
+import {BrowserModule} from '@angular/platform-browser';
 
-import { AppRoutingModule } from './app-routing.module';
-import { AppComponent } from './app.component';
-import { BrowserAnimationsModule } from '@angular/platform-browser/animations';
-import { RepositoriesComponent } from './pages/repositories/repositories.component';
-import { HomeComponent } from './pages/home/home.component';
-import { RepositoryCardComponent } from './pages/repositories/repository-card/repository-card.component';
+import {AppRoutingModule} from './app-routing.module';
+import {AppComponent} from './app.component';
+import {BrowserAnimationsModule} from '@angular/platform-browser/animations';
+import {RepositoriesComponent} from './pages/repositories/repositories.component';
+import {HomeComponent} from './pages/home/home.component';
+import {RepositoryCardComponent} from './pages/repositories/repository-card/repository-card.component';
 import {MatCardModule} from "@angular/material/card";
 import {MatListModule} from "@angular/material/list";
 import {MatButtonModule} from "@angular/material/button";
@@ -15,11 +15,11 @@ import {MatSnackBarModule} from "@angular/material/snack-bar";
 import {MatFormFieldModule} from "@angular/material/form-field";
 import {MatInputModule} from "@angular/material/input";
 import {ReactiveFormsModule} from "@angular/forms";
-import { RepoFormComponent } from './pages/repositories/repo-form/repo-form.component';
-import { FileGridComponent } from './components/file-grid/file-grid.component';
+import {RepoFormComponent} from './pages/repositories/repo-form/repo-form.component';
+import {FileGridComponent} from './components/file-grid/file-grid.component';
 import {MatSidenavModule} from "@angular/material/sidenav";
 import {MatGridListModule} from "@angular/material/grid-list";
-import { FileGridEntryComponent } from './components/file-grid/file-grid-entry/file-grid-entry.component';
+import {FileGridEntryComponent} from './components/file-grid/file-grid-entry/file-grid-entry.component';
 import {MatProgressBarModule} from "@angular/material/progress-bar";
 import {MatPaginatorModule} from "@angular/material/paginator";
 import {ScrollingModule} from "@angular/cdk/scrolling";
@@ -27,11 +27,14 @@ import {LightboxModule} from "ngx-lightbox";
 import {MatChipsModule} from "@angular/material/chips";
 import {MatIconModule} from "@angular/material/icon";
 import {MatAutocompleteModule} from "@angular/material/autocomplete";
-import { FileSearchComponent } from './components/file-search/file-search.component';
+import {FileSearchComponent} from './components/file-search/file-search.component';
 import {MatTabsModule} from "@angular/material/tabs";
-import { SearchPageComponent } from './pages/home/search-page/search-page.component';
+import {SearchPageComponent} from './pages/home/search-page/search-page.component';
 import {FlexModule, GridModule} from "@angular/flex-layout";
 import {MatRippleModule} from "@angular/material/core";
+import {FilterDialogComponent} from './components/file-search/filter-dialog/filter-dialog.component';
+import {MatDialogModule} from "@angular/material/dialog";
+import {MatSelectModule} from "@angular/material/select";
 
 @NgModule({
   declarations: [
@@ -44,6 +47,7 @@ import {MatRippleModule} from "@angular/material/core";
     FileGridEntryComponent,
     FileSearchComponent,
     SearchPageComponent,
+    FilterDialogComponent,
   ],
   imports: [
     BrowserModule,
@@ -69,9 +73,12 @@ import {MatRippleModule} from "@angular/material/core";
     MatTabsModule,
     FlexModule,
     GridModule,
-    MatRippleModule
+    MatRippleModule,
+    MatDialogModule,
+    MatSelectModule,
   ],
   providers: [],
   bootstrap: [AppComponent]
 })
-export class AppModule { }
+export class AppModule {
+}
diff --git a/mediarepo-ui/src/app/components/file-grid/file-grid-entry/file-grid-entry.component.ts b/mediarepo-ui/src/app/components/file-grid/file-grid-entry/file-grid-entry.component.ts
index 0dc7d5b..76c568c 100644
--- a/mediarepo-ui/src/app/components/file-grid/file-grid-entry/file-grid-entry.component.ts
+++ b/mediarepo-ui/src/app/components/file-grid/file-grid-entry/file-grid-entry.component.ts
@@ -45,7 +45,7 @@ export class FileGridEntryComponent implements OnInit, OnDestroy {
     try {
         const thumbnails = await this.fileService.getThumbnails(this.gridEntry.file.hash);
         let thumbnail = thumbnails.find(t => (t.height > 250 || t.width > 250) && (t.height < 500 && t.width < 500));
-        this.selectedThumbnail = thumbnail;
+        this.selectedThumbnail = thumbnail ?? thumbnails[0];
 
         if (!thumbnail) {
           console.log("Thumbnail is empty?!", thumbnails);
diff --git a/mediarepo-ui/src/app/components/file-search/file-search.component-theme.scss b/mediarepo-ui/src/app/components/file-search/file-search.component-theme.scss
index 7f06ba8..7afff2e 100644
--- a/mediarepo-ui/src/app/components/file-search/file-search.component-theme.scss
+++ b/mediarepo-ui/src/app/components/file-search/file-search.component-theme.scss
@@ -14,6 +14,10 @@ $warn-palette: map.get($color-config, 'warn');
   mat-form-field:focus {
     background-color: dimgrey;
   }
+
+  #sort-button {
+    background-color: darken(dimgrey, 5);
+  }
 }
 
 @mixin typography($theme) {
diff --git a/mediarepo-ui/src/app/components/file-search/file-search.component.html b/mediarepo-ui/src/app/components/file-search/file-search.component.html
index e76577f..fbb4360 100644
--- a/mediarepo-ui/src/app/components/file-search/file-search.component.html
+++ b/mediarepo-ui/src/app/components/file-search/file-search.component.html
@@ -1,7 +1,8 @@
 <div class="tag-input-list-and-actions">
   <div class="tag-input-list" #tagInputList>
     <div class="tag-input-list-inner">
-      <div class="tag-input-item" *ngFor="let tag of searchTags" mat-ripple (click)="removeSearchTag(tag)">{{tag.getNormalizedTag()}}</div>
+      <div class="tag-input-item" *ngFor="let tag of searchTags" mat-ripple
+           (click)="removeSearchTag(tag)">{{tag.getNormalizedTag()}}</div>
     </div>
   </div>
   <button id="delete-all-tags-button" mat-button (click)="removeAllSearchTags()">
@@ -11,13 +12,14 @@
 <mat-form-field class="full-width" appearance="fill">
   <mat-label>Enter tags to filter for</mat-label>
   <input matInput
-           #tagInput
-            (keydown)="addSearchTagByInput($event)"
-           [matAutocomplete]="auto"
-           [formControl]="formControl"/>
-    <mat-autocomplete #auto (optionSelected)="addSearchTagByAutocomplete($event)">
-      <mat-option *ngFor="let tag of suggestionTags | async" [value]="tag">
-        {{tag}}
-      </mat-option>
-    </mat-autocomplete>
+         #tagInput
+         (keydown)="addSearchTagByInput($event)"
+         [matAutocomplete]="auto"
+         [formControl]="formControl"/>
+  <mat-autocomplete #auto (optionSelected)="addSearchTagByAutocomplete($event)">
+    <mat-option *ngFor="let tag of suggestionTags | async" [value]="tag">
+      {{tag}}
+    </mat-option>
+  </mat-autocomplete>
 </mat-form-field>
+<button mat-flat-button id="sort-button" (click)="openSortDialog()">Sort: {{sortExpression.join(", ")}}</button>
diff --git a/mediarepo-ui/src/app/components/file-search/file-search.component.scss b/mediarepo-ui/src/app/components/file-search/file-search.component.scss
index 88db06f..15a087f 100644
--- a/mediarepo-ui/src/app/components/file-search/file-search.component.scss
+++ b/mediarepo-ui/src/app/components/file-search/file-search.component.scss
@@ -29,6 +29,16 @@
   top: 0;
 }
 
+#sort-button {
+  width: 100%;
+}
+
+::ng-deep #sort-button {
+  text-overflow: ellipsis;
+  white-space: nowrap;
+  overflow: hidden;
+}
+
 .tag-input-list-inner {
   display: inline-flex;
   flex-direction: row;
diff --git a/mediarepo-ui/src/app/components/file-search/file-search.component.ts b/mediarepo-ui/src/app/components/file-search/file-search.component.ts
index ed2f5ee..04a56a6 100644
--- a/mediarepo-ui/src/app/components/file-search/file-search.component.ts
+++ b/mediarepo-ui/src/app/components/file-search/file-search.component.ts
@@ -7,11 +7,13 @@ import {
 import {TagService} from "../../services/tag/tag.service";
 import {FileService} from "../../services/file/file.service";
 import {FormControl} from "@angular/forms";
-import {COMMA} from "@angular/cdk/keycodes";
 import {MatAutocompleteSelectedEvent} from "@angular/material/autocomplete";
 import {map, startWith} from "rxjs/operators";
 import {Observable} from "rxjs";
 import {TagQuery} from "../../models/TagQuery";
+import {SortKey} from "../../models/SortKey";
+import {MatDialog} from "@angular/material/dialog";
+import {FilterDialogComponent} from "./filter-dialog/filter-dialog.component";
 
 @Component({
   selector: 'app-file-search',
@@ -23,7 +25,8 @@ export class FileSearchComponent implements AfterViewChecked {
     this.inputList.nativeElement.scrollLeft = this.inputList.nativeElement.scrollWidth;
   }
 
-  public searchInputSeparators = [COMMA];
+  public sortExpression: SortKey[] = [new SortKey("FileImportedTime",
+    "Ascending", undefined)];
   public formControl = new FormControl();
   public searchTags: TagQuery[] = [];
   public suggestionTags: Observable<string[]>;
@@ -32,7 +35,7 @@ export class FileSearchComponent implements AfterViewChecked {
   @ViewChild("tagInput") tagInput!: ElementRef<HTMLInputElement>;
   @ViewChild("tagInputList") inputList!: ElementRef;
 
-  constructor(private tagService: TagService, private fileService: FileService) {
+  constructor(private tagService: TagService, private fileService: FileService, public dialog: MatDialog) {
     this.tagService.tags.subscribe(
       (tag) => this.allTags = tag.map(t => t.getNormalizedOutput()));
 
@@ -45,7 +48,7 @@ export class FileSearchComponent implements AfterViewChecked {
   }
 
   public async searchForFiles() {
-    await this.fileService.findFiles(this.searchTags);
+    await this.fileService.findFiles(this.searchTags, this.sortExpression);
   }
 
   public addSearchTag(tag: string) {
@@ -63,7 +66,7 @@ export class FileSearchComponent implements AfterViewChecked {
 
   async removeAllSearchTags() {
     this.searchTags = [];
-    await  this.searchForFiles();
+    await this.searchForFiles();
   }
 
   async removeSearchTag(tag: TagQuery) {
@@ -92,4 +95,18 @@ export class FileSearchComponent implements AfterViewChecked {
     this.tagInput.nativeElement.value = '';
     await this.searchForFiles();
   }
+
+  openSortDialog() {
+    const sortEntries = this.sortExpression.map(key => JSON.parse(JSON.stringify(key))).map(key => new SortKey(key.sortType, key.sortDirection, key.namespaceName))
+    const openedDialog = this.dialog.open(FilterDialogComponent, {
+      minWidth: "40vw",
+      data: {
+        sortEntries,
+      },
+    });
+    openedDialog.afterClosed().subscribe(async (sortExpression) => {
+      this.sortExpression = sortExpression;
+      await this.searchForFiles();
+    });
+  }
 }
diff --git a/mediarepo-ui/src/app/components/file-search/filter-dialog/filter-dialog.component.html b/mediarepo-ui/src/app/components/file-search/filter-dialog/filter-dialog.component.html
new file mode 100644
index 0000000..0c1febe
--- /dev/null
+++ b/mediarepo-ui/src/app/components/file-search/filter-dialog/filter-dialog.component.html
@@ -0,0 +1,37 @@
+<h1 mat-dialog-title>Sort Entries</h1>
+<div mat-dialog-content>
+    <div class="sort-input-list">
+      <div class="sort-input-row" *ngFor="let sortKey of sortEntries">
+        <mat-form-field>
+          <mat-label>Key</mat-label>
+          <mat-select required [(value)]="sortKey.sortType">
+            <mat-option value="Namespace">Namespace</mat-option>
+            <mat-option value="FileName">File Name</mat-option>
+            <mat-option value="FileSize">File Size</mat-option>
+            <mat-option value="FileImportedTime">Time Imported</mat-option>
+            <mat-option value="FileCreatedTime">Time Created</mat-option>
+            <mat-option value="FileChangeTime">Time Changed</mat-option>
+            <mat-option value="FileType">File Type</mat-option>
+            <mat-option value="NumTags">Number of Tags</mat-option>
+          </mat-select>
+        </mat-form-field>
+        <mat-form-field *ngIf="sortKey.sortType === 'Namespace'">
+          <mat-label>Namespace Name</mat-label>
+          <input #namespaceInput matInput required [value]="sortKey.namespaceName ?? ''" (change)="sortKey.namespaceName = namespaceInput.value">
+        </mat-form-field>
+        <div class="filler" *ngIf="sortKey.sortType !== 'Namespace'"></div>
+        <mat-form-field>
+          <mat-label>Direction</mat-label>
+          <mat-select [(value)]="sortKey.sortDirection" required>
+            <mat-option value="Ascending">Ascending</mat-option>
+            <mat-option value="Descending">Descending</mat-option>
+          </mat-select>
+        </mat-form-field>
+        <button *ngIf="sortEntries.indexOf(sortKey) === sortEntries.length -1" mat-flat-button (click)="addNewSortKey()"><mat-icon>add</mat-icon></button>
+        <button *ngIf="sortEntries.indexOf(sortKey) !== sortEntries.length -1" mat-flat-button (click)="removeSortKey(sortKey)"><mat-icon>remove</mat-icon></button>
+      </div>
+    </div>
+</div>
+<div class="dialog-actions" mat-dialog-actions>
+  <button mat-flat-button color="primary" (click)="confirmSort()">Sort</button>
+</div>
diff --git a/mediarepo-ui/src/app/components/file-search/filter-dialog/filter-dialog.component.scss b/mediarepo-ui/src/app/components/file-search/filter-dialog/filter-dialog.component.scss
new file mode 100644
index 0000000..a66069b
--- /dev/null
+++ b/mediarepo-ui/src/app/components/file-search/filter-dialog/filter-dialog.component.scss
@@ -0,0 +1,24 @@
+mat-dialog-content {
+  height: 100%;
+}
+
+.sort-input-list {
+  display: table;
+  width: 100%;
+}
+
+.sort-input-row {
+  display: table-row;
+  width: 100%;
+}
+
+mat-form-field, .filler {
+  display: table-cell;
+  padding: 0 1em;
+}
+
+.dialog-actions {
+  align-items: center;
+  text-align: center;
+  width: 100%;
+}
diff --git a/mediarepo-ui/src/app/components/file-search/filter-dialog/filter-dialog.component.spec.ts b/mediarepo-ui/src/app/components/file-search/filter-dialog/filter-dialog.component.spec.ts
new file mode 100644
index 0000000..7c3bedb
--- /dev/null
+++ b/mediarepo-ui/src/app/components/file-search/filter-dialog/filter-dialog.component.spec.ts
@@ -0,0 +1,25 @@
+import { ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { FilterDialogComponent } from './filter-dialog.component';
+
+describe('FilterDialogComponent', () => {
+  let component: FilterDialogComponent;
+  let fixture: ComponentFixture<FilterDialogComponent>;
+
+  beforeEach(async () => {
+    await TestBed.configureTestingModule({
+      declarations: [ FilterDialogComponent ]
+    })
+    .compileComponents();
+  });
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(FilterDialogComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/mediarepo-ui/src/app/components/file-search/filter-dialog/filter-dialog.component.ts b/mediarepo-ui/src/app/components/file-search/filter-dialog/filter-dialog.component.ts
new file mode 100644
index 0000000..0b4ce10
--- /dev/null
+++ b/mediarepo-ui/src/app/components/file-search/filter-dialog/filter-dialog.component.ts
@@ -0,0 +1,31 @@
+import {Component, Inject} from '@angular/core';
+import {MAT_DIALOG_DATA, MatDialogRef} from "@angular/material/dialog";
+import {SortKey} from "../../../models/SortKey";
+
+@Component({
+  selector: 'app-filter-dialog',
+  templateUrl: './filter-dialog.component.html',
+  styleUrls: ['./filter-dialog.component.scss']
+})
+export class FilterDialogComponent {
+
+  public sortEntries: SortKey[] = []
+
+  constructor(public dialogRef: MatDialogRef<FilterDialogComponent>, @Inject(MAT_DIALOG_DATA) data: any) {
+    this.sortEntries = data.sortEntries;
+  }
+
+  addNewSortKey() {
+    const sortKey = new SortKey("FileName", "Ascending", undefined);
+    this.sortEntries.push(sortKey)
+  }
+
+  public removeSortKey(sortKey: SortKey): void {
+    const index = this.sortEntries.indexOf(sortKey);
+    this.sortEntries.splice(index, 1);
+  }
+
+  public confirmSort(): void {
+    this.dialogRef.close(this.sortEntries);
+  }
+}
diff --git a/mediarepo-ui/src/app/models/SortKey.ts b/mediarepo-ui/src/app/models/SortKey.ts
new file mode 100644
index 0000000..0616dbd
--- /dev/null
+++ b/mediarepo-ui/src/app/models/SortKey.ts
@@ -0,0 +1,29 @@
+export class SortKey {
+
+
+  constructor(
+    public sortType: "Namespace" | "FileName" | "FileSize" | "FileImportedTime" | "FileCreatedTime" | "FileChangeTime" | "FileType" | "NumTags",
+    public sortDirection: "Ascending" | "Descending",
+    public namespaceName: string | undefined
+  ) {}
+
+  public toString(): string {
+    if (this.sortType == "Namespace") {
+      return `${this.sortType} '${this.namespaceName}' ${this.sortDirection}`
+    } else {
+      return `${this.sortType} ${this.sortDirection}`
+    }
+  }
+
+  public toBackendType(): any {
+
+    if (this.sortType == "Namespace") {
+      return {"Namespace": {direction:  this.sortDirection, tag: this.namespaceName}}
+    } else {
+      let returnObj: any = {};
+      returnObj[this.sortType] = this.sortDirection;
+
+      return returnObj;
+    }
+  }
+}
diff --git a/mediarepo-ui/src/app/pages/home/search-page/search-page.component.html b/mediarepo-ui/src/app/pages/home/search-page/search-page.component.html
index a47c733..3359c08 100644
--- a/mediarepo-ui/src/app/pages/home/search-page/search-page.component.html
+++ b/mediarepo-ui/src/app/pages/home/search-page/search-page.component.html
@@ -1,7 +1,7 @@
 <mat-drawer-container class="page">
   <mat-drawer mode="side" opened disableClose>
     <div fxLayout="column" class="drawer-sidebar-inner">
-      <div id="file-search-input" fxFlex="150px">
+      <div id="file-search-input" fxFlex="220px">
         <app-file-search #filesearch></app-file-search>
       </div>
       <div id="file-tag-list" fxFlex fxFlexAlign="start" fxFlexFill>
diff --git a/mediarepo-ui/src/app/pages/home/search-page/search-page.component.ts b/mediarepo-ui/src/app/pages/home/search-page/search-page.component.ts
index b4e6fe6..93f2988 100644
--- a/mediarepo-ui/src/app/pages/home/search-page/search-page.component.ts
+++ b/mediarepo-ui/src/app/pages/home/search-page/search-page.component.ts
@@ -7,6 +7,7 @@ import {FileService} from "../../../services/file/file.service";
 import {TagService} from "../../../services/tag/tag.service";
 import {Lightbox, LIGHTBOX_EVENT, LightboxEvent} from "ngx-lightbox";
 import {MatSelectionListChange} from "@angular/material/list";
+import {SortKey} from "../../../models/SortKey";
 
 @Component({
   selector: 'app-search-page',
@@ -31,6 +32,7 @@ export class SearchPageComponent implements OnInit {
 
   async ngOnInit() {
     this.fileService.displayedFiles.subscribe((files) => this.files = files);
+    await this.fileService.findFiles([], [new SortKey("FileImportedTime", "Ascending", undefined)])
   }
 
   async onFileMultiSelect(files: File[]) {
diff --git a/mediarepo-ui/src/app/services/dataloader/dataloader.service.ts b/mediarepo-ui/src/app/services/dataloader/dataloader.service.ts
index ecd78ef..ddf6d82 100644
--- a/mediarepo-ui/src/app/services/dataloader/dataloader.service.ts
+++ b/mediarepo-ui/src/app/services/dataloader/dataloader.service.ts
@@ -12,13 +12,11 @@ export class DataloaderService {
 
   constructor(
     private erroBroker: ErrorBrokerService,
-    private fileService: FileService,
     private tagService: TagService) { }
 
   public async loadData() {
     try {
       await this.tagService.loadTags();
-      await this.fileService.findFiles([]);
     } catch (err) {
       this.erroBroker.showError(err);
     }
diff --git a/mediarepo-ui/src/app/services/file/file.service.ts b/mediarepo-ui/src/app/services/file/file.service.ts
index 833b50c..a782dd2 100644
--- a/mediarepo-ui/src/app/services/file/file.service.ts
+++ b/mediarepo-ui/src/app/services/file/file.service.ts
@@ -5,6 +5,7 @@ import {invoke} from "@tauri-apps/api/tauri";
 import {DomSanitizer, SafeResourceUrl} from "@angular/platform-browser";
 import {Thumbnail} from "../../models/Thumbnail";
 import {TagQuery} from "../../models/TagQuery";
+import {SortKey} from "../../models/SortKey";
 
 @Injectable({
   providedIn: 'root'
@@ -22,15 +23,8 @@ export class FileService {
     this.displayedFiles.next(all_files);
   }
 
-  public async findFiles(tags: TagQuery[]) {
-    const sortBy: any[] = [
-      {Namespace: {tag: "creator", direction: "Descending"}},
-      {Namespace: {tag: "series", direction: "Ascending"}},
-      {Namespace: {tag: "title", direction: "Ascending"}},
-      {Namespace: {tag: "page", direction: "Ascending"}},
-      {Namespace: {tag: "panel", direction: "Ascending"}},
-    ];
-    let files = await invoke<File[]>("plugin:mediarepo|find_files", {tags, sortBy});
+  public async findFiles(tags: TagQuery[], sortBy: SortKey[]) {
+    let files = await invoke<File[]>("plugin:mediarepo|find_files", {tags, sortBy: sortBy.map(k => k.toBackendType())});
     this.displayedFiles.next(files);
   }