Best Timer Chrome Extensions (2026)

Best timer Chrome extensions

A timer Chrome extension puts a countdown, stopwatch or presentation clock one click away instead of opening a separate app or tab. Look for one with a clear on-screen or badge display, custom durations, an audible alert and, if you present slides, a floating overlay that works over full-screen decks.

Last reviewed September 26, 2026 · 1 listing · Independent, not affiliated with Google

Chrome has no built-in timer, so anyone timing a meeting, a presentation or a focused work block usually opens a website or phone app instead. A timer extension keeps the clock visible in the toolbar or as an overlay, starts in one click and can alert you with a sound when time runs out, which is faster than switching tabs mid-task.

Timers for presentations and slides

A slides timer needs to stay visible over full-screen presentation mode, since a normal browser tab disappears once you start presenting. Look for an extension built specifically for this, with a large, readable countdown, adjustable position on screen and a way to set the time per slide or per section of a talk.

Countdown timers vs stopwatches

A countdown timer counts down from a set duration and alerts you at zero, useful for meetings, cooking or timed tests. A stopwatch counts up and suits tracking how long a task takes. Some extensions offer both plus a Pomodoro-style repeating cycle for focused work sessions with short breaks in between.

What to check before installing a timer extension

Check that the badge or popup shows the remaining time without needing to click, that the alert sound can be muted or changed, and that you can set custom durations rather than only fixed presets. A timer only needs basic permissions, so be cautious of one asking to read data on every website.

Best timer Chrome extensions: FAQs

What is the best timer Chrome extension?

There is no single best pick for everyone. Choose based on your use: a slides overlay for presentations, a simple badge countdown for quick tasks, or a Pomodoro-style timer for focused work with repeating breaks.

Is there a free timer extension for Chrome?

Yes, most timer extensions are free because the feature is simple to build. Some offer a paid plan for extra themes or multiple saved timers, but the core countdown and alert function is usually free.

How do I add a timer to Google Slides?

Chrome does not add a timer to slides directly. A slides timer extension overlays a countdown on top of your presentation, so it stays visible even in full-screen mode while you present.

Does a timer extension work during full-screen presentations?

Only extensions built to overlay full-screen mode will show while presenting. A normal browser popup or toolbar badge disappears once a slideshow or video goes full screen, so check for this feature specifically.

Can a Chrome extension set a countdown timer with sound?

Yes, most countdown timer extensions play a sound or show a browser notification when time runs out. Check that the sound can be muted or replaced if you plan to use it during meetings.

What is a Pomodoro timer extension?

A Pomodoro timer extension runs repeating cycles, typically 25 minutes of focused work followed by a short break, to help you work in timed intervals. Some also track how many cycles you complete each day.

Is a timer extension safe to install?

A basic timer needs almost no permissions, so it is generally low risk. Avoid one that requests access to read and change data on every website, since that is unusual for a simple countdown tool.

Do timer extensions work in Edge and Brave?

Most Chrome timer extensions from the Chrome Web Store also install in Chromium-based browsers such as Microsoft Edge and Brave, since they share the same extension platform. Check each listing for compatibility.

Can I run multiple timers at once in Chrome?

Some extensions support several saved or simultaneous timers, useful for timing multiple tasks or sections of a meeting. Check the extension's description or settings page before installing if this matters to you.

How do I set a timer without an extension in Chrome?

Chrome has no native timer, so without an extension you would need a separate website, phone or physical clock. Searching a duration directly in some search engines can also show a quick built-in countdown.

What should I look for in a countdown timer for tests or exams?

For timed tests, look for a large, hard-to-miss display, a clear alert at zero and a lock or focus mode that discourages switching tabs. Custom duration entry matters more than presets for exam-length sessions.