
Microsoft Paint is a simple image editing software that comes with Windows operating systems. While it is a basic tool, it can be used to resize images and make image backgrounds transparent. However, the older versions of MS Paint do not support transparency, and the transparent areas are replaced with a white background. To maintain transparency while resizing an image, one can use the newer version of Paint, called Paint 3D, which is available on Windows 10. This version supports transparency and offers additional features such as magic select and improved UI.
| Characteristics | Values |
|---|---|
| How to resize an image in Paint | Drag the area with your mouse that you want to resize, or press Ctrl-A to select it all. Then right-click in your selection and you will see an option to resize your image in the context menu that appears. Change percentage to pixels. Now enter in the placeholder dimensions. You may need to uncheck "Maintain aspect ratio" to set the desired dimensions. Click OK when you’re done. |
| How to maintain transparency in Paint | Paint 3D supports transparency. To maintain transparency, add your image to Paint 3D by clicking Menu at the top left corner and selecting Open > Browse Files. Click Magic Select on the toolbar, adjust the area to fit around the section you want to keep and select Next. Delete the remaining part of the image and make the canvas transparent by clicking Canvas in the toolbar to toggle the Transparent Canvas option. |
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What You'll Learn

Use Paint 3D for transparency
Paint 3D is a more sophisticated version of MS Paint. You need to have Windows 10 or 11 to use Paint 3D for photo editing. To resize an image in Paint 3D, follow these steps:
- Open the image you want to resize in Paint 3D. You can do this by right-clicking on the image and selecting "Edit with Paint 3D" from the context menu. Alternatively, you can navigate to "Menu > Open" in Paint 3D and then find and select the image.
- Click on the "Canvas" button at the top. Make sure the "Lock aspect ratio" option is checked to maintain the original proportions of the image. You can find this option under "Resize canvas."
- Enter the desired dimensions for the image. You can enter the maximum height or width, and the other value will automatically adjust to maintain the aspect ratio. Make sure to enter the dimensions in pixels.
- Click "OK" or "Resize" to apply the changes.
- Save the image by going to "File > Save As" and choosing the appropriate file format, such as PNG or JPEG.
Note that Paint 3D has limitations in terms of image resolution and compression. If you need more advanced features, you might consider using other image editing software or online tools.
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Save as a GIF to retain transparency
To resize an image in Paint and maintain transparency, follow these steps:
First, launch Microsoft Paint on your PC and open the image file you want to edit by clicking "File" and then "Open" to browse your files.
Next, select the area you want to resize by dragging your mouse or using the "Select" button and choosing either "Rectangular Selection" or "Free-Form Selection." You can then right-click on your selection and choose the "Resize" option from the context menu. Enter your desired dimensions, making sure to uncheck the "Maintain aspect ratio" box if needed.
Now, to maintain transparency when saving, you must save your image as a GIF file. Click "File," then "Save As," and in the "Format" menu, select "GIF." This is the only file format in MS Paint that allows transparency.
It is worth noting that the older MS Paint versions do not support transparency. If you are using Windows 10 or newer, Paint 3D is available and includes transparency support. Alternatively, you can use third-party software such as Paint.Net, GIMP, or Pixlr, which offer more advanced features and transparency support.
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Click and drag to resize
To resize an image in MS Paint, first, open the application and use File > Open to load the image. Once the image is loaded, locate the Resize button on the toolbar, typically represented by a resize icon or found under the Home tab. Click on Resize to open the Resize and Skew dialog box.
You will see options to resize by percentage or pixels. Select Pixels to resize by specific dimensions. Check the box labelled "Maintain aspect ratio" to automatically adjust the other dimension when you change one.
Now, click and hold the resizing handles (small squares) around the image border. Drag inward or outward to resize the image. When dragging, the aspect ratio lock is not automatic. To maintain proportions, it is safer to resize using the Resize dialog box with "Maintain aspect ratio" checked.
While resizing manually via drag-and-drop in MS Paint, maintaining the aspect ratio is crucial to avoid distorted images. For example, stretching an image vertically or horizontally can make it look unnatural, which is undesirable in most professional contexts.
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Maintain aspect ratio
To maintain the aspect ratio of an image when resizing in Paint, follow these steps:
- Open the image in Microsoft Paint.
- Click the "Resize" button in the toolbar at the top of the window. This button can usually be found in the "`Image`" section, on the middle-right side.
- Once the Resize window opens, ensure that "`Percentage`" is selected at the top. This ensures that any changes made to the image will be measured in percentages.
- Check the "Maintain aspect ratio" box. This is crucial to ensure that your image doesn't get distorted when resizing. If you don't check this box, any changes made to one aspect of the image (e.g. vertical size) won't scale with the other aspects, resulting in a distorted image.
- Now, you can resize your image while maintaining its original proportions. Type a percentage between 1 and 500 into the "Horizontal" text box to shrink or expand your image. For example, changing the value to 75 will make the image 3/4 of its original size.
- Click "OK" to apply the changes.
It's important to note that if you're resizing using pixels instead of percentages, you can uncheck the "Maintain aspect ratio" box and manually enter different values into the "Horizontal" and "Vertical" text boxes if needed. However, this will result in the image being stretched or squashed, so it's generally recommended to keep the "Maintain aspect ratio" box checked to preserve the original proportions.
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Use alternative software
If you're looking for alternative software to Microsoft Paint that offers more sophisticated tools and supports transparency, there are several options available:
Paint 3D
Paint 3D is a newer version of Paint available on Windows 10 and 11. It includes features not found in the older version, such as transparency support, a better UI, magic select, and other quality-of-life improvements. The background removal process in Paint 3D is similar to MS Paint but with additional tools and options.
Adobe Photoshop
Adobe Photoshop is one of the most popular professional image-editing programs. It offers a wide range of advanced editing features, including the ability to create transparent backgrounds. Photoshop is particularly useful for graphic designers and marketing professionals. To create a transparent background in Photoshop, you can follow these general steps: select the 'Layers' tab, duplicate and hide the bottom image layer, use the 'Magic Wand' tool to select the area you want to turn transparent, and then delete it. Finally, save your image as a PNG file to preserve transparency.
GIMP (GNU Image Manipulation Program)
GIMP is a free and cross-platform image editor available for GNU/Linux, macOS, Windows, and other operating systems. It provides advanced editing capabilities and supports transparency. GIMP allows users to manipulate the source code and distribute their changes.
Photoroom
Photoroom is an AI photo editing app that simplifies various photo editing tasks, including background removal. It offers a mobile app and a web version, providing convenience and professional results. With Photoroom, you can quickly achieve transparent backgrounds for your images, making it useful for digital assets, branding, and logo placement.
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Frequently asked questions
To resize an image in Paint, drag the area you want to resize with your mouse or press Ctrl-A to select everything. Right-click on your selection and choose the option to resize your image. Change the percentage to pixels and enter your desired dimensions. You may need to uncheck "maintain aspect ratio" to set the exact dimensions you want. Finally, click "OK" and save your image as a PNG file.
Note that the old MS Paint app does not support transparency. If you are using Windows 10 or above, use Paint 3D instead, which does support transparency.
First, add your image to Paint 3D by clicking "Menu" in the top left corner and selecting "Open" and then "Browse Files." Next, click "Magic Select" on the toolbar and adjust the area to fit around the section you want to keep. Delete the remaining part of the image and toggle the "Transparent Canvas" option in the toolbar. Finally, save your image as a .png file.
Open MS Paint and click "File" and then "Open" to add your image. Click the "Select" button at the top of the menu bar and then click "Transparent Selection." Click "Free-form Selection" to select the image without restrictions. Drag your cursor over the object in the image to "protect" it. Right-click on the protected object and select "Cut" to remove it from the image. The background will now be transparent, but will appear as white on the screen. Finally, click "Paint" and then "Save As" and select "GIF" from the "Format" menu, the only file format that allows transparency.
While having the image selected, right-click on it and select "Resize" or use the Ctrl + W shortcut. This will allow you to change the scale of the image proportionally. Alternatively, you can hold the Shift key while dragging the image to resize it without changing its aspect ratio.











































