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How to Lower the Size of a Google Slides Presentation: Simple Hacks

Google Slides file icons with an arrow indicating size reduction on a yellow background with the SlideEgg logo.


Crafting a captivating Google Slides presentation is an art form. But sometimes, your masterpiece can become a bit… cumbersome. Sharing a presentation that’s too large can lead to slow loading times, frustrated recipients, and even email bounce-backs. This blog dives deep into simple tips and tricks to effectively reduce your Google Slides file size without sacrificing visual impact. It will ensure smooth sharing and audience engagement.


Why Does File Size Matter?


Large file sizes can create hurdles for both you and your viewers. Uploads take longer, emails bounce back, and some platforms restrict file size. A streamlined presentation ensures seamless delivery, especially for online presentations or remote collaboration.


Trimming the Fat: Image Optimization Is Key


Leaves image with SlideEgg logo. Crop option is selected to crop the image.


Images are often the biggest culprits behind bulky presentations. Here’s how to tame those pixels:


  • Resize Images: Most images don’t require their original high resolution for a presentation. Use the “Crop” or “Resize” function within Google Slides to reduce image dimensions without sacrificing quality. Aim for a balance between clarity and file size.
  • Compress, Don’t Squash: Google Slides offers built-in image compression. Go to “Format” > “Images” > “Compress Images.” Choose “High quality” for a good balance. Avoid “Low quality” as it might noticeably degrade the image.


Pro Tip: Many online tools offer free image compression while maintaining quality. Explore these options for further optimization.


Lighter Links, Happier Audience


Embedding large videos directly into your slides can inflate the file size considerably. Consider these alternatives:


  • Link to the Source: If the video resides on YouTube or Vimeo, simply embed a link. Viewers can click the link to watch the video directly on the platform.
  • Upload to Cloud Storage: Upload the video to Google Drive or another cloud storage service and share the link within your slide. This keeps the presentation itself lightweight and offers viewers easy access to the video.


Beyond Images: Streamlining Other Elements


While images are a primary focus, other aspects can contribute to file size:

  • Fonts: Fancy fonts are visually appealing, but some can be resource-intensive. Stick to standard fonts like Arial or Calibri for a professional look without file size bloat.
  • Animations and Transitions: While these can add pizazz, excessive use can lead to a larger file size. Use them strategically for emphasis, not as a constant feature.


Housekeeping: The Art of a Clean Presentation


  • Delete unused slides: Evaluate each slide and remove anything that doesn’t directly contribute to your message.
  • Tame those animations: Excessive animations can bloat your file size. Use them moderately and strategically for maximum impact.
  • Clean up after yourself: Remove unnecessary formatting like extra spaces or unused text boxes.


Exporting for Efficiency: Choosing the Right Format


Downloading files in various formats like PowerPoint, PDF, JPEG, PNG, etc. in Google Slides


Once you’ve optimized your presentation, it’s time to export! While Google Slides (.pptx) is the native format, other options can lead to smaller file sizes:


  • PDF Power: Exporting as a PDF is a great option for presentations that won’t be edited further. PDFs are generally smaller than .pptx files and ensure consistent formatting across devices.
  • Presentation for the Web (.odp): This format is specifically designed for web presentations and can result in a significantly smaller file size compared to .pptx. However, keep in mind that some formatting elements might not translate perfectly.
  • PNG Images (Slides Individually): If you only need to share specific slides, exporting them as individual PNG images provides maximum control over file size.


Presentation Powerhouse: Leverage Pre-Made Themes


Smart presenters know the value of pre-made themes. High-quality free Google Slides themes, available online, offer visually appealing layouts with pre-formatted elements.  These themes not only elevate your presentation’s design but can also help maintain consistency, reducing the need for extensive customization and potentially lowering file size.


A captivating presentation doesn’t rely solely on file size. Focus on delivering a clear, concise message with impactful visuals. For a deeper dive into presentation mastery, explore our tips & tricks page, where you’ll find valuable resources to learn more hacks. Also, check out our guide on How to Change Your Google Slides Template Size in Minutes to learn the steps for changing the size of Google Slides.


Let’s Conclude


Reducing the size of your presentation doesn’t have to be a daunting task. By following these tips, you can create a streamlined, efficient presentation that’s easy to share and perform seamlessly. Keep your presentations light and effective with these strategies, and you’ll be well on your way to impressing your audience with not just your content but also your technical prowess. Go forth and present with confidence, knowing your audience will receive your message loud and clear and without any file-size roadblocks!

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Arockia Mary Amutha is a seasoned senior content writer at SlideEgg, bringing over four years of dedicated experience to the field. Her expertise in presentation tools like PowerPoint, Google Slides, and Canva shines through in her clear, concise, and professional writing style. With a passion for crafting engaging and insightful content, she specializes in creating detailed how-to guides, tutorials, and tips on presentation design that resonate with and empower readers.

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