diff --git a/public/manifest.json b/public/manifest.json
index dff52d5..4f8f172 100644
--- a/public/manifest.json
+++ b/public/manifest.json
@@ -2,9 +2,10 @@
   "manifest_version": 3,
   "name": "gestime.aphp.fr exporter",
   "version": "1.0.0",
-  "description": "TBD",
+  "description": "Export your Gestime work schedule to an ICS calendar file",
   "action": {
-    "default_popup": "index.html"
+    "default_popup": "index.html",
+    "default_popup_width": 450
   },
   "permissions": ["activeTab", "scripting"],
   "host_permissions": ["http://gestime.aphp.fr/*"]
diff --git a/src/App.vue b/src/App.vue
index c072db8..1457877 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -1,39 +1,95 @@
 <script setup lang="ts">
+import { ref } from "vue";
 import { extractData } from "@/utils/data";
 import { generateIcsCalendar } from "ts-ics";
 
+const error = ref<string | null>(null);
+
 const downloadCalendar = async () => {
-  const calendar = await extractData();
-  if (!calendar) {
-    // TODO: report error
-    return;
-  }
+  error.value = null;
 
-  const icsContent = generateIcsCalendar(calendar.data);
+  await new Promise((resolve) =>
+    setTimeout(resolve, 1000 + Math.random() * 500),
+  );
 
-  const blob = new Blob([icsContent], { type: "text/calendar;charset=utf-8" });
-  const url = URL.createObjectURL(blob);
+  let downloadUrl: string | null = null;
   try {
+    // extract data and convert to ics
+    const calendar = await extractData();
+    const icsContent = generateIcsCalendar(calendar.data);
+
+    // create blob from ics content then download
+    const blob = new Blob([icsContent], {
+      type: "text/calendar;charset=utf-8",
+    });
+    downloadUrl = URL.createObjectURL(blob);
+
     const link = document.createElement("a");
-    link.href = url;
+    link.href = downloadUrl;
     link.download = calendar.name;
     link.click();
+  } catch (err: unknown) {
+    error.value = err instanceof Error ? err.message : String(err);
   } finally {
-    URL.revokeObjectURL(url);
+    if (downloadUrl) URL.revokeObjectURL(downloadUrl);
   }
 };
 </script>
 
 <template>
   <UApp>
-    <div class="app">
-      <h1>Gestime APHP Export</h1>
+    <UCard class="w-[450px] rounded-none">
+      <template #header>
+        <div class="flex items-center justify-between">
+          <h1 class="text-xl font-bold text-gray-900 dark:text-white">
+            Gestime APHP Export
+          </h1>
 
-      <UButton
-        loading-auto
-        label="Download calendar"
-        @click="downloadCalendar"
-      />
-    </div>
+          <div class="flex items-center gap-2">
+            <UButton
+              icon="i-lucide-github"
+              to="https://github.com/pihkaal/gestime-aphp-export"
+              target="_blank"
+              color="neutral"
+              variant="ghost"
+              size="md"
+            />
+            <UColorModeButton size="md" />
+          </div>
+        </div>
+      </template>
+
+      <div class="space-y-4">
+        <div class="space-y-2">
+          <UButton
+            loading-auto
+            label="Download Calendar"
+            icon="i-lucide-download"
+            size="lg"
+            block
+            color="secondary"
+            variant="subtle"
+            @click="downloadCalendar"
+          />
+          <UAlert
+            v-if="error"
+            color="error"
+            icon="i-lucide-circle-x"
+            :title="error"
+          />
+        </div>
+
+        <UButton
+          label="Import in Google Calendar"
+          icon="i-lucide-external-link"
+          size="lg"
+          block
+          color="secondary"
+          variant="subtle"
+          to="https://calendar.google.com/calendar/u/0/r/settings/export"
+          target="_blank"
+        />
+      </div>
+    </UCard>
   </UApp>
 </template>
diff --git a/src/utils/data.ts b/src/utils/data.ts
index 5b76dfc..93c1587 100644
--- a/src/utils/data.ts
+++ b/src/utils/data.ts
@@ -50,25 +50,23 @@ const makeIcsCalendar = (events: IcsEvent[]): IcsCalendar => ({
 export async function extractData(): Promise<{
   name: string;
   data: IcsCalendar;
-} | null> {
+}> {
+  const [tab] = await chrome.tabs.query({
+    active: true,
+    currentWindow: true,
+  });
+  if (!tab?.id) {
+    throw new Error("URL incorrecte");
+  }
+
+  const urlMatch = tab.url?.match(/\/(\d{2})-(\d{4})$/);
+  if (!urlMatch) {
+    throw new Error("URL incorrecte");
+  }
+  const year = parseInt(urlMatch[2]!);
+  const month = parseInt(urlMatch[1]!);
+
   try {
-    const [tab] = await chrome.tabs.query({
-      active: true,
-      currentWindow: true,
-    });
-    if (!tab?.id) {
-      console.error("No active tab found");
-      return null;
-    }
-
-    const urlMatch = tab.url?.match(/\/(\d{2})-(\d{4})$/);
-    if (!urlMatch) {
-      console.error("Could not extract month and year from URL");
-      return null;
-    }
-    const year = parseInt(urlMatch[2]!);
-    const month = parseInt(urlMatch[1]!);
-
     const [eventsQuery] = await chrome.scripting.executeScript({
       target: { tabId: tab.id },
       func: () => {
@@ -105,7 +103,7 @@ export async function extractData(): Promise<{
         return events;
       },
     });
-    if (!eventsQuery?.result) return null;
+    if (!eventsQuery?.result) throw undefined;
 
     return {
       name: `gestime-${urlMatch[1]}-${urlMatch[2]}.ics`,
@@ -115,8 +113,9 @@ export async function extractData(): Promise<{
         ),
       ),
     };
-  } catch (error) {
-    console.error("Error getting elements data:", error);
-    return null;
+  } catch {
+    throw new Error(
+      "Impossible d'extraires les données, contactez `hello@pihkaal.me`",
+    );
   }
 }