Do I need to install anything?

No. Just open the page in your browser and start timing. Add it to your home screen to use it like an app.

Yes. You can record laps while timing and review the time for each segment.

Does it work on phones and tablets?

Yes. It works on any device with a modern browser, including PC, iPhone, iPad and Android.

Online Stopwatch — Free Stopwatch in Your Browser

Focus

25:00

Durations

Tap any name to rename it

25min

5min

15min

Sessions before long break

Timer size

Options

Auto-advance

Automatically start the next session when one finishes

Browser notification

Notify on completion even when the tab is in the background

Sound

Pick a completion sound per phase

Focus

Short break

Long break

Today's pomodoros

Today's focus (min)

Stats and settings are stored only in this browser — nothing is sent to a server.

Today

Start today

Daily goal 60 min

Idle

0 min so far. Even one minute counts today.

Total

—

Best day

Longest streak

Trend

Your daily record will build up here

0m over the last 7 days

Adjust manually

Add or subtract Today's total by hand (for when you forget to start the timer).

Daily goal

Goal

60min

Track automatically

Records your time while this clock is open (continuously, even when you're not touching the computer). Pause anytime with the pause button.

Record in the background

Keep recording while another tab is in front. When off, it records only while this clock is the front tab.

Your record is stored only in this browser and never sent to a server.

Show mini-player

Show the floating playback bar at the bottom. When off, control playback from the panel or YouTube's native controls.

Background follows music

Picking a preset also swaps the background photo

Selection and history are stored only in this browser — nothing is sent to a server.

Language

Timezone

Auto (follow this device)

Use the browser's timezone

Turn Auto off to switch to a specific city — works as a world clock too.

Typeface

Font size

Font weight

Display

Show seconds

Display seconds as a small superscript next to the time

12-hour format

Off: 14:23 / On: 2:23 PM

Show calendar

Display this month's calendar to the left of the clock (auto-hidden while a Pomodoro session is running). Sat/Sun and Japanese national holidays are colour-coded; click a date to reveal the holiday name.

Show weather icon

Show a small weather icon and temperature to the left of the date row. Turning this off only hides the inline glyph — the full weather panel is still reachable from the toolbar.

Screen sleep preventionInactive

Keeps the display on while this page is open.

How to use

Pomo Clock — quick tour

A completely free, browser-based Pomodoro timer + work BGM + aesthetic digital clock. Works on iPhone, iPad, Mac, PC, and Android. Four features live behind the floating toolbar at the bottom.

Pomodoro timerPunctuate work with 25-minute focus sessions and 5-minute breaks. Durations, cycle counts, and notification sounds are all configurable.
Aesthetic backgrounds & paletteRandom 3-colour palettes (background, text, accent) by default. Switch to curated photo presets or upload your own image.
Work BGM & focus musicBuilt-in work BGM and ambient sounds curated for focus. Combine with the Pomodoro timer to set up a calm focus environment for studying, remote work, and concentrated tasks.
World clock · LanguageSwitch language (Japanese / English) and timezone from Settings. Doubles as a world clock for international meetings or travel.

Install / Add to Home Screen

Browser only

Press F to toggle fullscreen
Chrome / Edge / Safari support install as an app
It's also fine to just leave this tab open while charging

Your settings are stored only in this browser's local storage — nothing is sent to a server.

Try landscape mode

Turn off rotation lock and rotate your phone — the status bar tucks away for a cleaner view.

What is Pomo Clock?

Open a tab. You're in focus mode.

The story and intentions behind this app are written up in a short column — feel free to give it a read.

Read the story behind this app

About Mihata

Turning "could AI do this?" into real, shipped services.

Mihata is a small team aiming to become AI specialists — translating your "I want to do this" into shipped services through AI × design × engineering.

See Mihata's services

Feedback & contact

Drop us a line. Anything is welcome.

"I wish it had…" or "this part feels off" — even a one-liner is more than enough.

Open the contact form

Version History

v1.2.4Latest

Expanded device support for screen sleep prevention
Bug fixes and stability improvements

View past updates

v1.2.3

Added screen sleep prevention (toggleable in Settings)

v1.2.2

Added landscape orientation hint for mobile

v1.2.1

Improved mobile usability

v1.2.02026-05-10

Added "About" panel
Overhauled mobile experience

v1.1.4

YouTube video size is now adjustable

v1.1.3

Added fullscreen landscape mode for mobile

v1.1.2

Tap clock to open font settings

v1.1.1

Added thumbnails to YouTube history

v1.1.02026-05-03

Added YouTube recommended mixes and auto-play
Redesigned calendar layout
Bug fixes and stability improvements

v1.0.6

Bug fixes and stability improvements

v1.0.5

Added YouTube loop playback

v1.0.4

Added calendar, weather, and YouTube mini player
Redesigned color palette preview

v1.0.3

Now installable on home screen (PWA)

v1.0.2

Added FAQ section
Improved settings UI design

v1.0.1

Added more backgrounds, fonts, and music options
Settings now persist across sessions

v1.0.02026-04-25

Pomo Clock launched

FAQ

What is the Pomodoro Technique?
Focus for 25 minutes, then rest for 5. After four cycles, take a longer 15-minute break. Pomo Clock lets you customise focus, short break and long break durations down to the minute.
Is it really completely free?
Yes — every feature is free right now, and there are no ads. We run it as part of Mihata's content marketing.
Will Pomo Clock ever become paid?
If we expand into bigger features (cloud sync, calendar integration, richer notifications), a paid plan may eventually appear. Our intent, though, is to keep the free tier genuinely usable, and to make any paid plan something you'd actually want to keep using.
Do I need an account?
No login required. Open the page in any browser and you're ready. Settings are saved only to your browser's local storage; nothing is sent to a server.
Where are my settings saved? Is my data private?
Only in your browser's local storage and IndexedDB (for uploaded images). Nothing ever reaches Mihata's servers, and there's no account, so no third party can see your data.
Which devices does it work on? Does it support iPhone, iPad, Mac, PC, and Android?
Yes — Pomo Clock runs on any device with a modern browser, including iPhone, iPad, Mac, Windows PC, Android, and Chromebook. No installation required; just open the page and start using it.
Does it work without an always-on display? Will the screen stay on?
Yes. Pomo Clock has a built-in screen wake lock — the display stays on as long as the page is open, even if your device's auto-lock is set to a short interval. Just leave it charging and it doubles as a beautiful standby clock, no always-on display needed. Add it to your home screen (PWA) for the best experience.
Does the Pomodoro keep running when the tab is in the background?
Yes — a Web Worker keeps the timer accurate even with the tab hidden. When a session finishes, you get a browser notification (permission required) and an audio chime.
Can I reuse an old iPad or smartphone as a desk clock?
Yes. Open Pomo Clock in your browser, disable the screen auto-lock, and add it to your home screen (PWA). You can repurpose an unused old iPad, iPhone, or Android as an aesthetic desk clock, sleep clock, or standby screen on a charging dock.
Can I use my own YouTube videos or playlists as BGM?
Yes. Open the Music & Ambient panel, switch to YouTube, and paste any video or playlist URL. Playback runs through YouTube's official IFrame Player API, so it stays compliant with YouTube's Terms of Service.
Will Pomo Clock be released on the App Store or Google Play?
Right now we ship as a browser app + PWA (add to home screen). We're considering native iOS / Android distribution and Google Calendar integration in the future. The plan is to grow the free web version first, listen to feedback, and bring those features in over time.
Who builds and maintains this app?
Pomo Clock is built and operated by Mihata, a small team focused on web development, custom AI development and AI integration support. The clock is the kind of focus app we wanted for ourselves — equal parts design / UX craft and AI-augmented engineering. Read the in-panel column for the full story.
Where can I send feature requests or bug reports?
Use the 'Contact' link inside this panel — it goes straight to Mihata's contact form. Even rough "would be nice if…" ideas are welcome. We can't promise to ship every request, but we read each one carefully when planning updates.

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How to use the stopwatch

Frequently asked questions