Chrome //
Extensions 
Chrome
Web store 
Download Slides Timer chrome extension. Create timmers using placeholders. ie <<0:00+>>, <<5:00->>, <
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Shows a presentation pace-keeping timer on the Qiita slides
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An easy-to-use Presentation Remote with an innovative Smart Overhead Projector.
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Hurry - Google Slides Timer
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Log your time with timepot
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View fullscreen Slides while staying in edit mode
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Automatically resize the slide previews when the Speaker Notes window is resized, or drag the sidebar to manually select a size.
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Easily turn your smartphone into a Google Slides presentation remote
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Reveal Slides to a shared presentation one slide at a time
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Converts a Notion page into interactive presentation slides.
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Make Google Slides Captions Multi Line