How to Increase or Decrease Font Size in Google Slides
- David Pang
- 2 days ago
- 5 min read
Font size control in Google Slides means adjusting how big or small your text appears. It helps you give clarity to headings, emphasize important points, and structure your content with hierarchy.
Google Slides comes with many built-in methods and keyboard shortcuts to help increase or decrease font size. This article will give a step-by-step guide to help you access these options in Slides. Other than that, we will discuss how SheetWhiz makes the whole process easier with its customizable shortcuts.
Can You Change Font Size in Google Slides?
Google Slides offers simple and direct ways to change font size. First, you select the text you want to resize, then use the toolbar, the menu options, or the available shortcut keys to change the font size.
In fact, it is an important part of styling your slides. The following table shows the ideal cases when you might want to resize font size in Slides:
Increase Font Size | Decrease Font Size |
Make titles stand out clearly | Fit more body text when space is limited |
Emphasize a key point or quote | Create a subtle hierarchy, so subtitles or footnotes don’t overpower the main text |
Improve readability for headings or section markers | Avoid overcrowding a slide when there is a lot of content |
Match design proportions when layout changes (e.g., larger slide or more spacing) | Maintain a balanced look when other elements, like images or shapes, are large |
How to Change Font Size in Google Slides?
You can learn how to change font size in Google Slides with all the available methods through the following detailed guides:
How to Change Font Size in Slides Through the Toolbar
The following steps explain how you can increase or decrease font size in Google Slides through the toolbar:
Instructions: Head to the Format option in the Menu ribbon and choose the Text option from the dropdown. From the following dropdown, choose the Size option and click on the Increase Font Size or Decrease Font Size options, depending on your needs.

How to Change Font Size in Slides Through the Menu Bar?
This is a relatively simpler process, as the following instructions explain:
Instructions: Simply select the text and use the + or - buttons in the Menu bar to change the font size in Slides. You can also click the Font Size Number and type in your desired size manually to quickly adjust it.

Related Read: How to Increase or Decrease Font Size in Google Sheets
How to Change Font Size in Slides Through Keyboard Shortcuts?
If you want further convenience, the following keyboard shortcuts will help you increase or decrease font size in Google Slides:
Increase Font Size in Slides: CTRL + SHIFT + .
Decrease Font Size in Slides: CTRL + SHIFT + ,
Related Read: All keyboard shortcuts in Google Sheets.
Overview: Different Methods to Change Font Size in Google Slides
For quick accessibility, we have compiled a short table that lists all methods to change font size in Slides:
Method | Where It Is Used | How It Works |
Toolbar Method | Format menu | Select the text > Format > Text > Size > Increase or Decrease |
Menu Bar Controls (+ / −) | Top toolbar | Select the text > Click + or − (Or type a custom number. |
Keyboard Shortcuts | Slides canvas | Increase: CTRL + SHIFT + . Decrease: CTRL + SHIFT + , |
SheetWhiz: A Faster Way to Adjust Font Size in Google Slides
SheetWhiz is a useful Chrome extension that brings Excel and PowerPoint-style shortcuts to Google Slides. Among its features are quick commands to increase or decrease font size within Slides. For example, the shortcut keys to increase or decrease font size in Slides using SheetWhiz match the shortcut in PowerPoint and are:

Increase Font Size: ALT + H + F + G (use Option instead of Alt if on a Mac)
Decrease Font Size: ALT + H + F + K (use Option instead of Alt if on a Mac)
What makes SheetWhiz a better choice is that users can customize shortcuts based on their muscle memory. This works exactly like the Quick Access Toolbar in PowerPoint, which lets users access their favorite functions with easily accessible shortcuts.
In this way, you can actually customize the shortcut to easier ones to remember like Alt + 1,2,3,4, etc. like you would have in the Quick Access Toolbar in PowerPoint.
The following tutorial explains the simple customization process:

How to Use SheetWhiz Shortcuts to Change Font Size in Slides?
Accessing SheetWhiz shortcuts to increase or decrease font size in Slides is an extremely simple process. You can refer to these steps to see how it goes:
Step 1: Head to the Chrome Web Store and install the SheetWhiz extension.

Step 2: Once SheetWhiz is installed, reload your Slides and hit the SheetWhiz icon at the top. This will drop the login menu, where you need to sign up for a free account.

Step 3: Following the sign-up process, utilize the given shortcuts to alter the font size in Slides according to your needs:

Other Slides Shortcuts Offered in SheetWhiz
As said above, SheetWhiz brings PowerPoint-like convenience by introducing multiple shortcuts that are otherwise not available in Slides. Some other useful features that you can find in SheetWhiz are:
Shortcut Name | Shortcut Keys | What It Does |
Bring to Front | Alt > H > G > R | Moves the object to the front |
Send to Back | Alt > H > G > K | Sends the object behind all |
Bring Forward | Alt > H > G > F | Moves the object one layer forward |
Send Backward | Alt > H > G > B | Moves the object one layer back |
Set Font Size | Alt > H > F > S | Opens font size options |
Set Font | Alt > H > F > F | Changes the selected font |
Group | Alt > A > G > G | Groups selected objects |
Ungroup | Alt > A > G > U | Ungroups selected objects |
Apart from that, SheetWhiz also lets you align objects in Slides, as well as align text in Slides with simple shortcuts.
Conclusion
Users can increase or decrease font size in Slides using the menu ribbon or the built-in shortcut keys. CTRL + SHIFT + . will increase the font size, while CTRL + SHIFT + , will decrease it. On the other hand, SheetWhiz offers a quick alternative that matches the native PowerPoint shortcut of ALT + H + F + G to increase or ALT + H + F + K to decrease font size and also includes the ability to customize options so you can create the shortcut that works best for you such as mimicking the Quick Access Toolbar functionality by making key shortcuts equal to Alt + 1,2,3,4, etc.



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