Google Slides has an impressive number of templates for creating beautiful presentations. It’s been the go-to choice for many users who don’t use Microsoft PowerPoint and an easy-to-access alternative forwell-equipped Chromebooks. If your slides are too small or too wide, they may not scale well to the content shown on the screen. This guide teaches you how to change the size of the slides in your Google Slides presentation on a browser to ensure you use the correct size.
What’s the difference between Google Slides templates and themes?
Create an attractive presentation with a constant look
Which size works best with Google Slides?
It depends on where the presentation is viewed. Most computers use a 16:9 aspect ratio, but mobile devices prefer a 4:3 ratio. If unsure, test the slideshow on multiple devices and decide which gives the most optimal viewing experience.
How to resize your Google Slides on a Windows computer
you’re able to decide the size of your slides before creating your presentation. Alternatively, open an old presentation and choose to resize your slides. Check the steps below to get started.
Changing Google Slides size on a new presentation
All the slides maintain the same aspect ratio you selected. If you’re uncertain whether any default options suit your presentation, tweak the ratio by choosingCustom.
Changing Google Slides size on a saved presentation
After swapping the aspect ratio, you may need to adjust your Google Slides presentation. In this example, we swapped the aspect ratio from Standard 4:3 to Widescreen 16:9, which changes the alignment of images and text on each slide.
How to resize your Google Slides on a Chromebook
You’re likely sticking to Google’s ecosystem while working on a Chromebook. Google Slides becomes an essential tool when building a presentation. Google Slides works like the Windows computer version, so changing the slides' size is simple. Here’s how to do it:
The Google Slides app works on Chromebooks but has the same (limited) functionality as the mobile app (the app you download from the Google Play Store is the Android app ported to Chromebooks).

How to expand the size of your Google Slides presentation
Sometimes, presentations can start in the wrong view. Fullscreen mode ensures the set aspect ratio of the slideshow remains the same on the screen. However, the audience may see another view if you select the wrong mode before starting your presentation. The view you can accidentally click is Presenter View.
Inside Presenter View, the audience sees a fullscreen presentation of your Google Slides (if presented on a different screen), while you see the speaker notes written below the slides and some settings. Seeing a busier screen can distract the speaker, especially if theslides remain in autoplay. As a result, you may prefer to set up fullscreen mode. Below are the steps to ensure your Google Slides start in fullscreen mode.

How to enter fullscreen mode on Google Slides
Clicking the Slideshow button also puts your presentation in fullscreen mode.
How to resize your Google Slides on mobile
The slide size in Google Slides on the Android and iOS mobile apps cannot be manually changed. To get around this, open Google Slides on a computer and follow the steps above to adjust the size of your slides.
Revamp your Google Slides presentation
Does your current Google Slides presentation need a boost? Check out thebest templates for Google Slides. Spice up your presentation to look more professional or change it to something more colorful and snappy. Google Slides also supports audio files from your Google Drive, soadd audioto keep your audience engaged. Google Slides has several tools to make your slideshow stand out.


