diff --git a/assets/icons/icon-192.png b/assets/icons/icon-192.png
new file mode 100644
index 0000000..efda750
Binary files /dev/null and b/assets/icons/icon-192.png differ
diff --git a/assets/icons/icon-512.png b/assets/icons/icon-512.png
new file mode 100644
index 0000000..efda750
Binary files /dev/null and b/assets/icons/icon-512.png differ
diff --git a/assets/icons/icon-maskable-192.png b/assets/icons/icon-maskable-192.png
new file mode 100644
index 0000000..efda750
Binary files /dev/null and b/assets/icons/icon-maskable-192.png differ
diff --git a/assets/icons/icon-maskable-512.png b/assets/icons/icon-maskable-512.png
new file mode 100644
index 0000000..efda750
Binary files /dev/null and b/assets/icons/icon-maskable-512.png differ
diff --git a/assets/icons/loading-animation.png b/assets/icons/loading-animation.png
new file mode 100644
index 0000000..3732487
Binary files /dev/null and b/assets/icons/loading-animation.png differ
diff --git a/assets/manifest.json b/assets/manifest.json
new file mode 100644
index 0000000..98d0743
--- /dev/null
+++ b/assets/manifest.json
@@ -0,0 +1,35 @@
+{
+  "name": "Utilidades",
+  "short_name": "Utilidades",
+  "start_url": ".",
+  "display": "standalone",
+  "background_color": "#ffffff",
+  "theme_color": "#5175C2",
+  "description": "Utilidades para la oficina!",
+  "orientation": "natural",
+  "prefer_related_applications": false,
+  "icons": [
+    {
+      "src": "icons/icon-192.png",
+      "sizes": "192x192",
+      "type": "image/png"
+    },
+    {
+      "src": "icons/icon-512.png",
+      "sizes": "512x512",
+      "type": "image/png"
+    },
+    {
+      "src": "icons/icon-maskable-192.png",
+      "sizes": "192x192",
+      "type": "image/png",
+      "purpose": "maskable"
+    },
+    {
+      "src": "icons/icon-maskable-512.png",
+      "sizes": "512x512",
+      "type": "image/png",
+      "purpose": "maskable"
+    }
+  ]
+}