
There are several ways to change the background of a photo using Microsoft Paint, Paint 3D, or third-party software. One common method is to use a green screen effect, where you can select the background and replace it with a colour of your choice or another image. You can also make the background of an image transparent in Paint and Paint 3D. This allows you to place the image on top of other backgrounds. Additionally, third-party software, such as remove.bg, can automate the process of removing and replacing backgrounds, offering various background options or the ability to upload your own.
| Characteristics | Values |
|---|---|
| Software | MS Paint, Paint 3D, Photoroom |
| Platforms | Windows 10, Windows 11 |
| File formats | JPEG |
| Keyboard shortcuts | Ctrl + V, Ctrl + Shift + B |
| Tools | Rectangle drawing icon, Fill, Solid color, Color 2, Magic Select, Add, Remove |
| Alternatives | Photoshop, GIMP |
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What You'll Learn

Using the rectangle drawing tool
To change the background of a photo in MS Paint, you can use the rectangle drawing tool. Here's a step-by-step guide on how to do it:
Step 1: Open the Image in Paint
First, you need to open the image you want to edit in MS Paint. You can do this by navigating to File > Open and selecting the desired image file.
Step 2: Select the Rectangle Drawing Tool
Once your image is open in Paint, you can select the rectangle drawing tool from the "Tools" section of the toolbar. This will allow you to draw a rectangular shape around the part of the image you want to keep.
Step 3: Adjust the Size and Position of the Rectangle
Before drawing, you might want to adjust the size of the rectangle tool to fit the part of the image you want to keep. You can do this by clicking on the Size drop-down box and selecting the appropriate thickness. Position the rectangle carefully around the subject of your image, excluding the background you want to remove.
Step 4: Draw the Rectangle
Click and drag your mouse to draw a rectangle around the part of the image you want to keep. Make sure that you include all the necessary parts of the image within the rectangle. You can zoom in by clicking the "+" icon in the bottom-right corner to get a more precise selection.
Step 5: Fine-tune your Selection
After drawing the rectangle, you can fine-tune your selection using the Add and Remove icons. If Paint removed too much of your desired image, use the "Add" function to include the necessary parts. If there are parts of the background still included, use the "Remove" function to get rid of them.
Step 6: Confirm your Selection
Once you're satisfied with your selection, click Done to confirm. This will create a boundary between the part of the image you want to keep and the background you want to replace.
Step 7: Replace the Background
Now, you can replace the background outside of the rectangle with a colour of your choice. To do this, simply select the desired colour and fill in the surrounding space. You can also use the Fill option and select "Solid colour" to fill in the background with a uniform colour.
Using these steps, you can effectively change the background of a photo in MS Paint using the rectangle drawing tool. Remember to take your time and adjust your selections as needed to get the best results.
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Filling the background with a solid colour
To fill the background of a photo with a solid colour in Paint, follow these steps:
- Open the image you want to edit in MS Paint.
- Using the draw tool, select a bright colour that is not in the image already and trace the outline of the subject of the image. You can zoom in by clicking the + icon in the lower-right corner of the window to help you draw more precisely.
- Colour in the rest of the background to block it out. You can use the various fill and colour-blocking tools to transform the background.
- Save your edited image.
This method will allow you to create a green screen background by filling in your image with a solid colour. You can then open this image in another image editor to replace the green screen background with the background of your choice.
Alternatively, you can use Paint 3D to crop out the section of the image you want to use and then paste the resulting image onto a new background.
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Using Paint 3D
Paint 3D is a more sophisticated version of MS Paint, available on Windows 10 and 11. Here is a step-by-step guide to changing the background of a photo using Paint 3D:
Step 1: Open Paint 3D
Type 'Paint 3D' into the Start window and click on the Paint 3D option.
Step 2: Open your image
Click 'Open' in the middle of the Paint 3D window, then 'Browse Files'. Find the image you want to edit and double click to open it.
Step 3: Select the object
Use the Magic Select tool on the toolbar to select the object you want to keep. Adjust the selected area to fit around the object and click 'Next'. If the object is not perfectly isolated, use the 'Add' and 'Remove' icons to adjust your selection. Click 'Done' when you are satisfied.
Step 4: Remove the background
Delete the remaining part of the image. You can do this by right-clicking on the selected area and pressing 'Cut', or by using the Crop tool. To make the background transparent, click 'Canvas' in the toolbar and toggle the 'Transparent Canvas' option.
Step 5: Add a new background
To add a new background, open a new image and drag it to place it behind your selected object. Use the corners to adjust the size of the background to fit the canvas.
Alternative method:
Another way to change the background of an image in Paint 3D is to crop out the desired section of the image and paste it onto a new background. To do this, open your image in Paint 3D and use the draw tool to select a bright colour that is not in the image. Trace the outline of the subject of the image and colour in the rest of the background to block it out. Save and open this image in another editor to remove the background. Then, paste the selected object onto your desired new background.
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Making the background transparent
Microsoft Paint allows you to make an image background transparent. The first step is to launch Microsoft Paint on your PC and open the image. Once you have the image open, there are a few different methods you can use to make the background transparent.
One method is to use the "Select" button at the top of the menu bar to open a list of options. From there, you can click on the "Transparent selection" option, and then click on "Free-form selection", which allows you to select the image without restrictions.
Another method is to use the "Magic Select" tool, which can be found near the left-hand side of the Paint 3D window. First, adjust the area to fit around the section you want to keep and select "Next". Then, use the "Add" and "Remove" icons to adjust your selection as needed. Once you're satisfied, click "Done".
If you're using the newer MS Paint with transparency and layers, you can also try the following: select the colour that you want to remove as "Colour 2", go to the selection tool and enable transparent selection. Then, press Ctrl+A to select all and invert the selection, and then Ctrl+X to cut and paste it into a new layer. You can also right-click on the background layer and select "Hide" to make it transparent.
If you don't want to use MS Paint, there are other photo editing apps like Photoroom that can make an image background transparent. Photoroom uses AI to automatically detect the object in your image and remove the background.
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Using a different program to replace the background
While MS Paint is a popular option for changing the background of an image, there are several other programs that can be used to achieve the same result. One such program is Photoshop, which can be used to replace the green screen background with a different image of your choosing. GIMP is another option in this category of photo manipulation software.
There are also online tools available that can help you change the background of your photo. remove.bg, for example, allows you to replace the background of your photo with a better one of your choice. Photoroom is another online tool that can be used to remove backgrounds and place your subject on a new backdrop. Photoroom also offers a range of other editing features, such as adjusting brightness and contrast, and customizing images with text overlays.
Canva is another popular online platform that offers a photo background changer tool. With Canva, you can remove the background of your photo and replace it with a blank canvas, solid colour, or themed pattern. Canva also provides a stock photo library with free, high-quality images that can be used as new backgrounds for your photos.
These are just a few examples of the many programs and tools available for changing the background of a photo. Each option has its own unique features and capabilities, so it's worth exploring a few to find the one that best suits your needs.
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Frequently asked questions
To change the background of a photo in Paint, you will need to use the ''Magic Select' tool to select the part of the image you want to keep, then copy this selection and paste it onto a new background.
To make the background of a photo transparent in Paint, open the image in Paint and click 'Select' and 'Transparent selection'. Then, use the ''Free-form selection tool' to select the area of the image you want to keep. Right-click on the selected area and press ''Cut' to remove it from the image. You can then paste the image onto a new background.
Yes. To change the background of a photo in Paint 3D, open the image in Paint 3D and use the 'Magic Select' tool to select the subject of the image. Use the ''Add' and 'Remove' functions to refine your selection, then copy and paste the selected image onto a new background.











































