Developer & Presenter Docs
Syntax Cheat Sheet & Tag Reference
A quick-reference guide to all tag codes, modifiers, and format options supported by Live Slides Timer.
Supported Tag Formats
Paste any of these tags into any normal text box in Google Slides.
| Tag Code | Category | Behavior & Outcome |
|---|---|---|
| {{5:00-}} | Countdown | 5-minute countdown timer that halts at 00:00 |
| {{10:00-}} | Countdown | 10-minute countdown timer |
| {{0:30-}} | Countdown | 30-second rapid countdown |
| {{0:00+}} | Stopwatch | Open-ended count-up stopwatch starting from 0 |
| {{5:00+}} | Stopwatch | Count-up timer starting from 5:00 |
| {{now}} | Clock | Real-time digital clock displaying hours, minutes, and seconds (HH:mm:ss) |
| {{now|%HH:mm}} | Clock | Real-time clock displaying hours and minutes only (no seconds) |
| {{5:00-|@}} | Actions | 5-minute countdown that rings an acoustic bell chime at zero |
| {{3:00-|]}} | Actions | 3-minute countdown that automatically advances to next slide at zero |
| {{5:00-|@|]}} | Actions | Chime bell AND advance to next slide simultaneously at zero |
| <<5:00->> | Legacy | Legacy double-angle bracket format (enable legacy mode in popup) |
Formatting & Fonts
Timers automatically inherit the exact font family, font size, color, letter spacing, and alignment of the text box. Style the text box in Google Slides to match your presentation theme.
Keyboard Controls (During Presentation)
In Slideshow mode, press Y to pause or resume the countdown, and R to reset to the starting value. Both shortcuts can be changed in the extension popup.
Ready to test these tags in Google Slides?
Install the free extension to see these tags come alive in presentation mode.