diff --git a/pages/mitgliederbereich/mitglieder.vue b/pages/mitgliederbereich/mitglieder.vue
index 6cf1c18..a6f5450 100644
--- a/pages/mitgliederbereich/mitglieder.vue
+++ b/pages/mitgliederbereich/mitglieder.vue
@@ -122,7 +122,7 @@
                       {{ member.name }}
                     </template>
                   </div>
-                  <div v-if="member.showBirthday && member.birthday" class="text-xs text-gray-500">
+                  <div v-if="member.birthday" class="text-xs text-gray-500">
                     🎂 {{ formatBirthday(member.birthday) }}
                   </div>
                   <div
@@ -265,7 +265,7 @@
                   <template v-else>
                     {{ member.name }}
                   </template>
-                  <span v-if="member.showBirthday && member.birthday" class="text-xs text-gray-500 ml-2">
+                  <span v-if="member.birthday" class="text-xs text-gray-500 ml-2">
                     🎂 {{ formatBirthday(member.birthday) }}
                   </span>
                 </h3>
diff --git a/server/set-all-visibility-flags.mjs b/server/set-all-visibility-flags.mjs
new file mode 100644
index 0000000..8f2428b
--- /dev/null
+++ b/server/set-all-visibility-flags.mjs
@@ -0,0 +1,72 @@
+// Script: set-all-visibility-flags.mjs
+// Setzt für alle Mitglieder in allen relevanten Dateien alle visibility-Flags auf true (inkl. Entschlüsselung)
+
+import { readMembers, writeMembers } from './utils/members.js';
+import dotenv from 'dotenv';
+import path from 'path';
+import { fileURLToPath } from 'url';
+import fs from 'fs/promises';
+
+dotenv.config({ path: path.resolve(process.cwd(), '.env') });
+
+const usersPath = path.resolve(process.cwd(), 'server/data/users.json');
+
+async function updateVisibility(obj) {
+  let changed = 0;
+  if (Array.isArray(obj)) {
+    for (const m of obj) {
+      if (!m.visibility) m.visibility = {};
+      if (m.visibility.showEmail !== true) { m.visibility.showEmail = true; changed++; }
+      if (m.visibility.showPhone !== true) { m.visibility.showPhone = true; changed++; }
+      if (m.visibility.showAddress !== true) { m.visibility.showAddress = true; changed++; }
+      if (m.visibility.showBirthday !== true) { m.visibility.showBirthday = true; changed++; }
+    }
+  }
+  return changed;
+}
+
+async function updateUsersFile() {
+  let changed = 0;
+  try {
+    let raw = await fs.readFile(usersPath, 'utf8');
+    let users;
+    if (raw.trim().startsWith('v2:')) {
+      // encrypted, try to use decryptObject from encryption.js
+      const { decryptObject } = await import('./utils/encryption.js');
+      const key = process.env.ENCRYPTION_KEY || 'local_development_encryption_key_change_in_production';
+      users = decryptObject(raw, key);
+    } else {
+      users = JSON.parse(raw);
+    }
+    changed = await updateVisibility(users);
+    // write back (encrypted if vorher encrypted)
+    if (raw.trim().startsWith('v2:')) {
+      const { encryptObject } = await import('./utils/encryption.js');
+      const key = process.env.ENCRYPTION_KEY || 'local_development_encryption_key_change_in_production';
+      const encrypted = encryptObject(users, key);
+      await fs.writeFile(usersPath, encrypted, 'utf8');
+    } else {
+      await fs.writeFile(usersPath, JSON.stringify(users, null, 2), 'utf8');
+    }
+    return changed;
+  } catch (e) {
+    console.error('Fehler beim Bearbeiten von users.json:', e);
+    return 0;
+  }
+}
+
+async function main() {
+  let changedMembers = 0;
+  let changedUsers = 0;
+  // members.json (manuelle Mitglieder)
+  let members = await readMembers();
+  changedMembers = await updateVisibility(members);
+  if (changedMembers > 0) {
+    await writeMembers(members);
+  }
+  // users.json (Login-System)
+  changedUsers = await updateUsersFile();
+  console.log(`members.json: ${changedMembers} Änderungen, users.json: ${changedUsers} Änderungen`);
+}
+
+main();