Effortlessly adjust the page size of your Google Docs™ with the Page Sizer Add-on.
Listing updated:October 29, 2025
Works with:
82K+
Overview
Page Sizer Add-on for Google Docs™ allows you to customize the dimensions of your documents to fit your specific needs. Whether you're preparing a document for print or adjusting the layout for better readability, Page Sizer makes it easy to set custom page heights, widths, margins, and background colors.

Key Features:
- Simple Interface: Easily accessible from the Google Docs™ toolbar, Page Sizer provides a straightforward interface to adjust page size, margins, and colors.
- Custom Dimensions: Input your desired page height and width to perfectly tailor your document.
- Precision Margins: Set exact top, bottom, left, and right margins using inches, centimeters, or points for professional spacing.
- Background Colors: Apply custom background colors using the color picker or hex codes to enhance your document's visual appeal.
- Height Calculation: Easily calculate the height needed based on the number of pages and the position of the last element on the page ruler.
- Instant Application: Changes are applied instantly, allowing you to see the results in real-time.

How to Use:
1. Open a Google Docs™ document.
2. Click on the 'Page-Sizer' menu in the toolbar.
3. Select 'Change Page Size'.
4. Enter your desired page height and width, then click 'Update'.
5. Adjust margins by setting values for each side and click 'Update Margins'.
6. Choose a background color and click 'Update Color'.
7. To calculate height: enter the last element position, click 'Calculate', then 'Update Height' to apply.

Perfect for users who need precise control over their document layouts, Page Sizer is an essential tool for enhancing your Google Docs™ experience. Optimize your documents for printing, presentations, or digital viewing with complete control over dimensions, spacing, and appearance.

*Google Docs™ is a trademark of Google LLC.

Need help? Something is not working? Contact us at yam@pagesizer.com
Additional information
PricingPaid
Developer
Privacy policy
Terms of service
Page Sizer for Google Docs™ - PageSizer will ask for the permissions shown below. Learn more
Page Sizer for Google Docs™ - PageSizer will need access to your Google account
This will allow Page Sizer for Google Docs™ - PageSizer to :
See, edit, create, and delete all your Google Docs documents
Display and run third-party web content in prompts and sidebars inside Google applications
Connect to an external service
See your primary Google Account email address
See your personal info, including any personal info you've made publicly available
Reviews
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Nakeah Fuller
August 1, 2025
It does not work! I had a horrible experience. I had a deadline to meet and quickly needed to resize a document. However, once I paid for this add on, I immediately received an error message and only automated systems when trying to hunt down support. A total headache. Now I'm hoping to get a refund. This is horrible! Error Message:Error: ScriptError: Authorization is required to perform that action.
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Bob R
August 28, 2025
I had difficulty getting the app to recognize my ongoing subscription. I contacted Yam and the repsonse was immediate with several back and forth analysis. Yam had it working within minutes. The best customer support experience ever!
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Molly Cavanaugh
May 28, 2025
The page resizing works, and the developer was able to add other Page Setup options to the extension so that you can also set margins and a background color. For now, you can't do anything else in the original Google Docs Page Setup once you've used the extension, which is a bummer because for my project I need the ability to set different options for different pages (different background colors, mostly), and I can't do that with the extension. I had previously posted this review saying that the extension breaks Page Setup, and the developer responded within 24 hours and had added more options, which is awesome. It still won't quite work for my project but is a great tool as long as you only need one set of page-setup options for your entire document. A lot of the low ratings seem to be because of the cost, which I think is unfortunate. Developing extensions does require labor, you know! I'm updating my review to 4/5 because it still doesn't have quite all the features I need, but it's a good tool.
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Rich Conlan
June 29, 2025
Scam. Only after installing and asking for permissions does it notify you it costs $2.99/mnth. Sure, maintaining software takes effort, but that's exorbitant for such a simple feature.
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Brian Wallace
October 6, 2025
It works for what I need, but I do have to ask for it to be reset periodically. Their response is quick. You have to update page size and margins in two steps.
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randy kaufman
August 13, 2025
This page sizer does a great job. I tried to change the page size to a certain size on google docs but google couldn't do it so I downloaded this page sizer extension and it worked perfectly on google docs. . And even tried to use a template from kdp but google docs couldn't adjust the margins without this extension. This extension is worth the money and saves a lot of aggravation in formatting a manuscript.
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Kaitlin Oster
August 5, 2025
Received very quick help from support on a Sunday when the app gave me an error. Easy enough to use and helps me when reformatting for my clients.
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Sarah Fiori
September 5, 2025
This extension worked great for me! I did have a little trouble just figuring out how to cancel my subscription (not because it wasn't working— just because I didn't need it anymore) but I reached out for help and support not only responded EXTREMELY quickly, but was also very efficient and friendly in getting my issue resolved. I plan on using this again in the future, thank you!
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Derek Quiram
August 7, 2025
This is a paid extension; a few bucks a month. I hope it works well, but didn't pay to find out! Prob a good thing since others seem to have paid and couldn't get it to work at all.
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Alex O
August 22, 2025
Can't get it to work without adding email and payment info.
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