How to Change Slide Size in Google Slides (2026)
Learn how to change slide size in Google Slides in this 2026 tutorial. Step by step in one minute. No plugins, no add-ons, works in any browser.
#GoogleSlides #ChangeSlideSize #Tutorial
── Chapters ──
00:00 How to open Page setup in Google Slides
00:16 How to switch between 16:9, 4:3, and custom slide sizes
00:32 How to set a custom slide size in Google Slides
00:49 Try Slidee
── Try Slidee free ──
Slidee is the AI presentation generator we use to build these tutorials. Type a topic or drop a PDF, get a complete editable deck in 30 seconds.
👉 Free plan, no signup needed: https://slidee.ai
👉 Open the editor: https://app.slidee.ai
── Transcript ──
How to change slide size in Google Slides — in under a minute.
To open Page setup in Google Slides, click File in the top menu. Next, select Page setup from the dropdown. The Page setup dialog will open, showing the current size of your slides.
To switch between slide sizes, click the size dropdown that currently shows Widescreen. Choose your desired option, like 4:3 or Custom, and then click Apply to resize all your slides. You'll see the new slide dimensions reflected immediately.
To set a custom slide size in Google Slides, pick Custom from the dropdown menu. Then, enter your desired width and height, making sure to include the units. Finally, click Apply to resize your slides, and you'll see the new dimensions reflected on your screen.
Generate decks like this in 30 seconds. Try Slidee at slidee dot ai.
── Subscribe ──
We post short Google Slides tutorials weekly. Subscribe so the next one finds you: https://www.youtube.com/@slidee-ai?su...
── Related searches this video covers ──
how to change slide size in google slides
how do I change slide size in google slides
change slide size in google slides tutorial
change slide size in google slides step by step
google slides slide size
slide size google slides
how to modify slide size in google slides
modify slide size google slides
how to edit slide size in google slides
edit slide size google slides
how to update slide size in google slides
update slide size google slides
── About Slidee ──
Slidee turns prompts, PDFs, and URLs into beautiful AI-generated presentations. Auto-detects 47 languages. Exports as PowerPoint, PDF, or Google Slides. Free plan: 3 decks/month. Pro: $9/mo for unlimited generations.
──
Watch more Google Slides tutorials on @slidee-ai. New videos every week, covering text-to-slides workflows, design tips, hidden Google Slides features, and AI presentation guides for 2026.