Add Live Countdown Timers to Google Slides
No embedded YouTube videos. No tab restarts. No second monitors. Just type a tag, hit Present, and keep your audience captivated on schedule.
Brainstorming Exercise
Discuss 3 Key Product Features
Why Upgrade
Stop Struggling with Broken Presentation Hacks
Presenting with timers used to be tedious. See how Live Slides Timer compares to legacy methods.
YouTube Embeds
Frustrating- Unexpected video ads interrupt presentations
- Needs constant internet buffering & loading
- Cannot auto-advance slides on expiry
- Fixed duration, cannot customize alarm sound
Old Slides Timer
Outdated- Requires refreshing tabs or restarting browser
- Must memorize complex obscure symbols
- Sound playback breaks frequently
- No interactive visual generator on slide
Live Slides Timer
Instant & Modern- Works instantly without browser reload
- Built-in audible bell alarm that always triggers
- Automatic next slide transition with |]
- Interactive on-screen Tag Builder & presets
Powerful Features
Everything You Need for Seamless Slide Timing
Engineered specifically for Google Slides presenters who want clarity, control, and zero friction.
Countdown & Stopwatch
Countdown from any duration with {{5:00-}} or run an open-ended stopwatch with {{0:00+}}.
Audible Bell Alarm
Add |@ to ring a clear bell chime when the timer expires. Never lose track of time during team debates or group exercises.
Auto-Advance Slides
Add |] to trigger an automatic transition to the next slide once the countdown runs out. Ideal for timed pitch drills.
Instant No-Reload Start
Install and use right away. Unlike traditional extensions, you don't have to close tabs, restart your browser, or lose your presentation state.
Visual Floating Builder
Don't want to remember text codes? Click the floating wand button inside Google Slides to configure duration and insert formatted tags effortlessly.
100% Private & Safe
Complies with strict educational and enterprise security guidelines. Zero data collection, no telemetry trackers, and strictly local DOM manipulation.
Popular Use Cases
Trusted by Presenters Across Industries
Educators & Classrooms
Time student group work, reading periods, and math blitzes. Visual countdowns prevent questions about how many minutes remain.
Read Teacher's GuideKeynotes & Pitches
Practice 5-minute lightning talks or startup demo pitches with strict slide deadlines and auto-advance transitions.
Pitch timing tutorialWorkshops & Agile Sprints
Run design thinking sessions, retrospective brainstorms, and timeboxed voting segments with pleasant acoustic reminders.
Generate workshop timerLearning Center
Latest Guides & How-To Tutorials
How to Add a Timer to Google Slides (Countdown, Stopwatch & Clock)
Complete step-by-step tutorial on adding a live countdown timer or stopwatch directly into your Google Slides presentation without embedding YouTube videos.
How to Insert a Countdown Timer in Google Slides with Sound and Auto-Advance
Learn how to insert a countdown timer in Google Slides that automatically rings a bell and flips to the next slide when time runs out.
How to Set a Different Timer for Each Slide in Google Slides
Pacing a multi-section presentation or workshop? Here is how to configure per-slide timers with custom durations on every Google Slide.
Best Classroom Countdown Timers for Google Slides (Teacher's Guide)
Engage students during group discussions, quizzes, and speed drills with visual progress bars, color warnings, and automatic bell alarms.
Best Google Slides Timer Extension in 2026 (Free Chrome Install Guide)
Compare what a real Google Slides timer extension should do, how to install Live Slides Timer from the Chrome Web Store, and why it beats YouTube countdown embeds.
How to Insert a Timer into Google Slides (Text Box Method)
Step-by-step: insert a live timer into any Google Slides text box with {{5:00-}}, style the font, and activate it in Slideshow mode—no video embed required.
Auto Advance Google Slides with a Countdown Timer (|] Tag Guide)
Make Google Slides automatically advance when your countdown hits zero. Use the |] modifier for timed pitches, stations, and workshop rotations.
Questions & Answers
Frequently Asked Questions
How do I add a timer to Google Slides using Live Slides Timer?
Install the free Live Slides Timer extension from the Chrome Web Store. Open any Google Slides presentation and add a text box with a tag like {{5:00-}}. Click Present (Slideshow) and the text box instantly transforms into an active countdown timer visible to everyone.
Does Live Slides Timer require refreshing or restarting Chrome?
No! Unlike older extensions like ClayCodes Slides Timer, Live Slides Timer works immediately right after installation. You do not need to restart Chrome or reload your existing presentation tabs.
Can I play an alarm sound or chime when the countdown hits zero?
Yes. Simply append |@ to your tag (for example {{5:00-|@}}). A pleasant, built-in bell sound will automatically play when the countdown reaches 00:00.
How can I automatically advance to the next slide when time is up?
Append |] to your tag (for example {{3:00-|]}}). As soon as the timer reaches zero, Google Slides automatically advances to the following slide.
Is Live Slides Timer free and safe to use in schools and companies?
Yes, 100% free. The extension requires no personal login, collects zero browsing data, does not inject advertisements, and operates strictly within Google Slides presentation tabs.
Can I still use the << >> syntax from older extensions?
Absolutely. Live Slides Timer defaults to modern {{ }} tags to prevent accidental collisions, but you can switch to legacy << >> tags in the extension popup with one click.
Ready to Take Control of Your Presentation Timing?
Join thousands of presenters and educators who trust Live Slides Timer. Installs in 5 seconds, 100% free forever.