diff --git a/src/lib/components/app/daemon.svelte b/src/lib/components/app/daemon.svelte
index bcae5fc..e60dd27 100644
--- a/src/lib/components/app/daemon.svelte
+++ b/src/lib/components/app/daemon.svelte
@@ -6,6 +6,7 @@
   import Window from '../ui/window/window.svelte';
   import TodoList from './todo-list.svelte';
   import Twentytwentytwenty from './twentytwentytwenty.svelte';
+  import Pomodoro from './pomodoro.svelte';
 
   // svelte-ignore non_reactive_update
   let audioElement: HTMLAudioElement;
@@ -260,4 +261,16 @@
   show={appState.show202020}
 >
   <Twentytwentytwenty></Twentytwentytwenty>
+</Window>
+
+<Window
+  title="Pomodoro Timer"
+  showTitleBar={true}
+  showCloseButton={true}
+  width={320}
+  height={250}
+  onClose={() => appState.showPomodoro = false}
+  show={appState.showPomodoro}
+>
+  <Pomodoro></Pomodoro>
 </Window>
\ No newline at end of file
diff --git a/src/lib/components/app/left-bar.svelte b/src/lib/components/app/left-bar.svelte
index a22f551..cac04fb 100644
--- a/src/lib/components/app/left-bar.svelte
+++ b/src/lib/components/app/left-bar.svelte
@@ -3,6 +3,7 @@
   import Check from '@lucide/svelte/icons/check';
   import Button from '../ui/button/button.svelte';
   import Binoculars from '@lucide/svelte/icons/binoculars';
+  import Clock from '@lucide/svelte/icons/clock';
 </script>
 
 <div
@@ -17,4 +18,10 @@
   >
     <Binoculars class="size-4" />
   </Button>
+  <Button
+    size="icon"
+    onclick={() => (appState.showPomodoro = !appState.showPomodoro)}
+  >
+    <Clock class="size-4" />
+  </Button>
 </div>
diff --git a/src/lib/components/app/pomodoro.svelte b/src/lib/components/app/pomodoro.svelte
new file mode 100644
index 0000000..30e2feb
--- /dev/null
+++ b/src/lib/components/app/pomodoro.svelte
@@ -0,0 +1,130 @@
+<script lang="ts">
+  import Button from '@/components/ui/button/button.svelte';
+  import { state as appState } from '@/state.svelte';
+  import { onMount } from 'svelte';
+
+  let timeLeft = $state(0);
+  let intervalHandle: ReturnType<typeof setInterval> | null = null;
+
+  let startSoundElement: HTMLAudioElement;
+  let endSoundElement: HTMLAudioElement;
+
+  let minutes = $derived(Math.floor(timeLeft / 60));
+  let seconds = $derived(timeLeft % 60);
+
+  onMount(() => {
+    const defaultFirst = 20 * 60;
+    const defaultSecond = 5 * 60;
+
+    if (!appState.pomodoroTimer) appState.pomodoroTimer = defaultFirst;
+    if (!appState.pomodoroBreakTimer) appState.pomodoroBreakTimer = defaultSecond;
+
+    timeLeft = appState.pomodoroTimer;
+  });
+
+  function playSound(element: HTMLAudioElement) {
+    if (!element) return;
+
+    element.currentTime = 0;
+
+    const playPromise = element.play();
+
+    if (playPromise) {
+      playPromise.catch((error) => {
+        console.error('Audio play error:', error);
+        if (error.name === 'NotAllowedError') {
+          console.warn('Audio playback blocked by browser. User interaction required.');
+        }
+      });
+    }
+  }
+
+  function startCountdown() {
+    if (intervalHandle) {
+      clearInterval(intervalHandle);
+      intervalHandle = null;
+    }
+
+    intervalHandle = setInterval(() => {
+      if (timeLeft > 0) {
+        timeLeft--;
+      } else {
+        if (appState.pomodoroWorkPhase) {
+          appState.pomodoroWorkPhase = false;
+          timeLeft = appState.pomodoroBreakTimer;
+          playSound(startSoundElement);
+        } else {
+          appState.pomodoroWorkPhase = true;
+          timeLeft = appState.pomodoroTimer;
+          playSound(endSoundElement);
+          appState.isPomodoroActive = false;
+        }
+      }
+    }, 1000);
+  }
+
+  $effect(() => {
+    if (appState.isPomodoroActive) {
+      startCountdown();
+    } else if (intervalHandle) {
+      clearInterval(intervalHandle);
+      intervalHandle = null;
+    }
+
+    return () => {
+      if (intervalHandle) {
+        clearInterval(intervalHandle);
+        intervalHandle = null;
+        appState.isPomodoroActive = false;
+      }
+    };
+  });
+
+  function startTimer() {
+    reset();
+    timeLeft = appState.pomodoroTimer;
+    appState.pomodoroWorkPhase = true;
+    appState.isPomodoroActive = true;
+  }
+
+  function stopTimer() {
+    reset();
+    appState.isPomodoroActive = false;
+  }
+
+  function reset() {
+    appState.pomodoroTimer = 20 * 60;
+    appState.pomodoroBreakTimer = 5 * 60;
+  }
+</script>
+
+<audio
+  bind:this={startSoundElement}
+  src="https://lofi-cdn.srizan.dev/assets/202020/start.mp3"
+  preload="auto"
+></audio>
+
+<audio
+  bind:this={endSoundElement}
+  src="https://lofi-cdn.srizan.dev/assets/202020/done.mp3"
+  preload="auto"
+></audio>
+
+<div class="flex flex-col p-4">
+  <div class="mb-6">
+    <div class="text-2xl font-bold">
+      {appState.pomodoroWorkPhase ? 'Work Time' : 'Break Time'}
+    </div>
+    <div class="text-3xl font-bold mt-2">
+      {minutes.toString().padStart(2, '0')}:{seconds.toString().padStart(2, '0')}
+    </div>
+  </div>
+
+  <div class="flex gap-2">
+    {#if appState.isPomodoroActive}
+      <Button variant="destructive" onclick={stopTimer}>Stop</Button>
+    {:else}
+      <Button onclick={startTimer}>Start</Button>
+    {/if}
+  </div>
+</div>
diff --git a/src/lib/state.svelte.ts b/src/lib/state.svelte.ts
index b239225..34ed7ad 100644
--- a/src/lib/state.svelte.ts
+++ b/src/lib/state.svelte.ts
@@ -31,6 +31,12 @@ export const state = $state({
   workRuleTimer: 20 * 60,
   restRuleTimer: 20,
 
+  showPomodoro: false,
+  pomodoroTimer: 25 * 60,
+  pomodoroBreakTimer: 5 * 60,
+  isPomodoroActive: false,
+  pomodoroWorkPhase: true,
+
   // in daemon.svelte
   togglePlay: (() => {}) as () => void,
 });