diff --git a/website/src/lib/components/FileList.svelte b/website/src/lib/components/FileList.svelte
index 39d737af..b4330daa 100644
--- a/website/src/lib/components/FileList.svelte
+++ b/website/src/lib/components/FileList.svelte
@@ -2,12 +2,13 @@
 	import { fileOrder, files, selectedFiles, selectFiles } from '$lib/stores';
 
 	import { ScrollArea } from '$lib/components/ui/scroll-area/index';
-
 	import Sortable from 'sortablejs/Sortable';
 
-	import { onMount, tick } from 'svelte';
 	import type { GPXFile } from 'gpx';
 
+	import { onMount } from 'svelte';
+	import { get } from 'svelte/store';
+
 	let tabs: HTMLDivElement;
 	let buttons: HTMLButtonElement[] = [];
 	let sortable: Sortable;
@@ -27,6 +28,15 @@
 		});
 	}
 
+	function selectAllFiles() {
+		selectedFiles.update((selectedFiles) => {
+			get(files).forEach((file) => {
+				selectedFiles.add(file);
+			});
+			return selectedFiles;
+		});
+	}
+
 	function deselectFile(file: GPXFile) {
 		selectedFiles.update((selectedFiles) => {
 			selectedFiles.delete(file);
@@ -81,6 +91,12 @@
 				Sortable.utils.select(buttons[index]);
 				addSelectFile(file);
 			},
+			selectAllFiles: () => {
+				$files.forEach((file, index) => {
+					Sortable.utils.select(buttons[index]);
+				});
+				selectAllFiles();
+			},
 			removeSelect: (file: GPXFile) => {
 				const index = $files.indexOf(file);
 				Sortable.utils.deselect(buttons[index]);
diff --git a/website/src/lib/components/Menu.svelte b/website/src/lib/components/Menu.svelte
index 37245b90..f17f8c56 100644
--- a/website/src/lib/components/Menu.svelte
+++ b/website/src/lib/components/Menu.svelte
@@ -22,7 +22,8 @@
 		exportSelectedFiles,
 		removeAllFiles,
 		removeSelectedFiles,
-		triggerFileInput
+		triggerFileInput,
+		selectFiles
 	} from '$lib/stores';
 
 	let distanceUnits = 'metric';
@@ -170,6 +171,9 @@
 				removeSelectedFiles();
 			}
 			e.preventDefault();
+		} else if (e.key === 'a' && (e.metaKey || e.ctrlKey)) {
+			$selectFiles.selectAllFiles();
+			e.preventDefault();
 		}
 	}}
 />
diff --git a/website/src/lib/stores.ts b/website/src/lib/stores.ts
index 04436c37..3b7ee022 100644
--- a/website/src/lib/stores.ts
+++ b/website/src/lib/stores.ts
@@ -7,7 +7,7 @@ export const map = writable<mapboxgl.Map | null>(null);
 export const files = writable<GPXFile[]>([]);
 export const fileOrder = writable<GPXFile[]>([]);
 export const selectedFiles = writable<Set<GPXFile>>(new Set());
-export const selectFiles = writable<{ [key: string]: (file: GPXFile) => void }>({});
+export const selectFiles = writable<{ [key: string]: (file?: GPXFile) => void }>({});
 
 export function triggerFileInput() {
     const input = document.createElement('input');