How to resize an image in Paint 3D: Guide 2026
Do you want to upload images to any website or social media platform, such as Facebook, Twitter, LinkedIn, Reddit, and many more? Are you concerned about resizing an image to upload to these platforms? Don’t worry anymore! Paint 3D is the best assistance for all your problems.
Most social media websites need special formats to upload images. Therefore, you need to resize these images and then upload them. If you are thinking, “How to resize an image in Paint 3D,” then you are in the right place. In this guide, we will give you the simple steps that make your image resizing process simple.

How to resize an image in Paint 3D?
There are many tools like ResizingImg, Toolspy Image Resizer, PicsSizer, and many more available on the internet. When you resize the images with these tools, the quality of the images will change. Therefore, it is not suitable to resize an image without losing the quality.
Paint 3D is the perfect tool to resize the images. If you want to resize unlimited images, then there is no other option than Paint 3D. Paint 3D, Microsoft’s online tool, is also free to use, and no internet connection is needed. Apart from this, you can our guide Why Paint 3D Is Not Working.
How to resize an image in Paint 3D, The steps below are helpful for you.
Resize Image: Pixels vs Percentage (Which One Is Best)
When you resize an image in Paint 3D, there are two options Pixels or Percentage. We have also discussed the details about both options that help you to easily decide which one is suitable for you.
Percentage
Pixels Option
The above key points help you to decide which option is more suitable for you.
How to Resize an Image in Paint 3D and Keep Aspect Ratio Locked
Aspect ratio refers to the shape of your image. It deals with the height and width of an object. If the aspect ratio isn’t preserved, resizing can affect the image’s original shape. If you want to fix this error, you need to check the lock aspect ratio option in the Canvas sidebar. However, Paint 3D adjusts the dimension automatically.
The key points help you to understand it in a better way.
Resize an Image in Paint 3D the Fast Way (Keyboard Shortcuts)
Did you want to resize the images in Paint 3D quickly? If yes, then keyboard shortcuts are the best option for you.
| Shortcut | What It Does |
|---|---|
| Alt + C | Opens Canvas settings (where all the resize magic happens) |
| M | Toggles the sidebar on/off |
| Ctrl + S | Saves your image instantly |
| Ctrl + Z | Undo your last change (lifesaver if you mess up dimensions) |
| Ctrl + Shift + S | “Save As” (saves a new copy without overwriting the original) |
Here is the process how to resize images in Paint 3D
How to Resize Images in Paint 3D for Web, Social Media, and Print
Because every platform uses different image sizes, choosing the right dimensions is important. The table below shows the recommended image sizes for each platform.
| Platform | Image Type | Dimensions (Pixels) |
|---|---|---|
| Square post | 1080 × 1080 | |
| Story | 1080 × 1920 | |
| Cover photo | 820 × 312 | |
| Shared image | 1200 × 630 | |
| Twitter/X | Header | 1500 × 500 |
| Twitter/X | Post image | 1200 × 675 |
| Post image | 1200 × 627 | |
| YouTube | Thumbnail | 1280 × 720 |
For Web Images
The key points below help you to use the image size for a blog post without affecting the website speed.
For Printing
For printing, use 300 DPI for sharp results. Low-resolution images will appear blurry, and Paint 3D can’t improve their quality—you’ll need the original high-resolution image.
| Print Size | Dimensions at 300 DPI |
|---|---|
| 4×6 inches | 1200 × 1800 pixels |
| 5×7 inches | 1500 × 2100 pixels |
| 8×10 inches | 2400 × 3000 pixels |
Conclusion: How to resize an image in Paint 3D
In this guide, we have discussed how to resize an image in Paint 3D. Based on my expertise, I have given you the full details about resizing the images. After reading this guide, you will be able to resize the images quickly. So, resize the images and upload them to social media like Facebook, Twitter, LinkedIn, and many more.
