5 items
Turns placeholder text in Google Slides into live timers, countdowns, clocks, that update automatically when you present. Slidetime is a browser extension that lets you transform placeholders in Google Slides into timers, countdowns, clocks, and more that update automatically when presenting. You can embed timers, countdowns, clocks, and dates that appear when you present with simple placeholders like "<<time>>". Try it out yourself with some of the commands below! All features are free. -- Reference for placeholders <<time>> Displays the current time (hh:mm pm/am) <<date>> Displays a shortened version of the date (mm/dd/yy) <<mm:ss->> Displays a countdown that goes from mm:ss to 0:00 <<mm:ss+>> Displays a stopwatch that starts at mm:ss <<~hh:mm>> Displays a countdown that counts down to hh:mm (a countdown until hh:mm) <<shorttime>> Displays the current time (hh:mm:ss pm/am) <<longtime>> Displays the current time with millisecond precision (hh:mm:ss.SSS) <<shortdate>> Displays the current date (ex: Mon, Apr 14) <<longdate>> Displays the current date (ex: Monday, April 14, 2026) -- You can change and expand how timers behave by adding certain keywords called "flags" after a pipe (|). <<time|24hr>> Forces 24-hour time formatting ("military time") instead of 12-hour am/pm <<mm:ss-|reset>> Resets the timer's elapsed time whenever you navigate away from its slide <<mm:ss-|id=namehere>> Syncs this timer with any other placeholder using the same id, even across slides Example: <<0:00+|id=stop1,reset>> creates a stopwatch that can be seen counting up from the same value on each slide it's included on A version of the reference above is also available within the extension. -- The code is publicly available on GitHub: https://github.com/fyrot/slidetime The Slidetime team is always looking for ways to improve this project; we'd greatly appreciate if you left us some feedback or a review!
Aug 7, 2026
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