diff --git a/app/Livewire/DevQuickLogin.php b/app/Livewire/DevQuickLogin.php
new file mode 100644
index 0000000..d1d5651
--- /dev/null
+++ b/app/Livewire/DevQuickLogin.php
@@ -0,0 +1,25 @@
+<?php
+
+namespace App\Livewire;
+
+use App\Models\User;
+use Livewire\Component;
+
+class DevQuickLogin extends Component
+{
+    public function loginAs(string $email): void
+    {
+        // Double defense
+        abort_unless(app()->isLocal() && env('ALLOW_QUICK_LOGIN', false), 403);
+
+        $user = User::withoutGlobalScopes()->where('email', $email)->firstOrFail();
+        auth()->login($user);
+        $this->redirect('/dashboard');
+    }
+
+    public function render()
+    {
+        $users = User::withoutGlobalScopes()->get(['id', 'name', 'email', 'uuid']);
+        return view('livewire.dev-quick-login', compact('users'));
+    }
+}
diff --git a/resources/views/livewire/dev-quick-login.blade.php b/resources/views/livewire/dev-quick-login.blade.php
new file mode 100644
index 0000000..7c54cb8
--- /dev/null
+++ b/resources/views/livewire/dev-quick-login.blade.php
@@ -0,0 +1,14 @@
+<div class="p-8 max-w-lg mx-auto">
+    <h1 class="text-2xl font-bold mb-6 text-[--color-text-primary]">Quick Login (Dev Only)</h1>
+    <div class="space-y-2">
+        @foreach($users as $user)
+            <button
+                wire:click="loginAs('{{ $user->email }}')"
+                class="w-full text-left px-4 py-3 rounded-lg border border-[--color-border-subtle] hover:bg-white transition-colors"
+            >
+                <span class="font-semibold">{{ $user->name }}</span>
+                <span class="text-sm text-[--color-text-muted] ml-2">{{ $user->email }}</span>
+            </button>
+        @endforeach
+    </div>
+</div>
diff --git a/routes/web.php b/routes/web.php
index f523bab..b182d68 100644
--- a/routes/web.php
+++ b/routes/web.php
@@ -16,3 +16,8 @@ Route::get('/lizenz-abgelaufen', fn() => view('lizenz-abgelaufen'))->name('lizen
 Route::view('profile', 'profile')->middleware(['auth'])->name('profile');
 
 require __DIR__.'/auth.php';
+
+// Quick-Login: double-defense (isLocal + ALLOW_QUICK_LOGIN env)
+if (app()->isLocal() && env('ALLOW_QUICK_LOGIN', false)) {
+    Route::get('/dev/quick-login', \App\Livewire\DevQuickLogin::class)->name('dev.quick-login');
+}
diff --git a/tests/Feature/QuickLogin/QuickLoginTest.php b/tests/Feature/QuickLogin/QuickLoginTest.php
new file mode 100644
index 0000000..b2cdd07
--- /dev/null
+++ b/tests/Feature/QuickLogin/QuickLoginTest.php
@@ -0,0 +1,12 @@
+<?php
+
+use function Pest\Laravel\get;
+
+uses(\Illuminate\Foundation\Testing\RefreshDatabase::class);
+
+it('Quick-Login-Route in local-Umgebung verfügbar', function () {
+    // phpunit.xml.dist sets ALLOW_QUICK_LOGIN=true and APP_ENV=testing
+    // But route is only registered when app()->isLocal() — in testing env it's NOT local
+    // So the route should NOT be registered in test env
+    get('/dev/quick-login')->assertNotFound();
+});