
Changing the DPI (dots per inch) in MS Paint is only relevant if you're planning to print an image. If you're preparing an image for the web, DPI is irrelevant. The DPI of an image relates to how many pixels it contains when printed. The higher the number, the more detailed the image. While it is possible to see the DPI of an image in MS Paint, it is not possible to change it within the programme. However, you can change the dimensions of an image in MS Paint by selecting 'Resize' and over-typing the desired dimensions.
| Characteristics | Values |
|---|---|
| Image resolution | Refers to the number of pixels in an image |
| PPI (Pixels Per Inch) | The higher the number, the more detailed the image |
| DPI (Dots Per Inch) | Refers to the number of pixels when printed |
| Changing DPI in MS Paint | Only relevant for printing, not for web publishing |
| File type | JPEGs may lose quality when converted to Bitmap |
| Image dimensions | Changing the dimensions of an image can help match DPI requirements |
| Image size | Increasing DPI will reduce the size of the image |
| Image quality | Higher DPI results in a sharper image |
| Printing considerations | Viewing distance impacts the required resolution |
| Default DPI | In MS Paint, the default DPI is 96 or 120, but can be set to 300 |
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What You'll Learn

Changing DPI in MS Paint is only relevant for printing
When preparing images for the web, the focus is on balancing detail with file size. A high-resolution image is desirable, but a large file size can slow down page loading. Therefore, when it comes to online images, DPI (dots per inch) is irrelevant, and the concern is primarily with PPI (pixels per inch) on the screen.
However, DPI becomes crucial when planning to print images. DPI refers to the number of pixels that appear when an image is printed, and it directly impacts the print quality. Commercial print jobs typically require a minimum of 150 DPI, while 300 DPI is often considered the standard for high-quality printing.
MS Paint is a basic image editing program that does not offer advanced features for specifying image size or resolution. However, it can be used to change the DPI of an image for printing purposes. This is achieved by opening the image in MS Paint, selecting "File" from the top menu, and then choosing "Properties." The DPI value should be listed in the centre next to "Resolution." While the DPI cannot be directly modified in MS Paint, users can resize the image by adjusting its dimensions, which will subsequently alter the DPI.
It is important to note that increasing the DPI of an image will reduce its size, and resizing the image back to its original dimensions after changing the DPI may result in a loss of sharpness and blurry text. Therefore, changing the DPI in MS Paint is primarily relevant for printing when specific DPI requirements need to be met, such as 300 DPI for high-quality prints.
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DPI is different from PPI
When changing the DPI in MS Paint, it is important to understand the difference between DPI and PPI. While the two terms are similar, they refer to different things and should be used differently.
DPI stands for Dots Per Inch and is a measure of print resolution. It refers to the amount of ink dots on a printed image. DPI is dependent on the printer being used and there is no standard dot size or shape. Inkjet printers produce a resolution of around 300 to 720 DPI, while laser printers produce images anywhere from 600 to 2400 DPI. Increasing the DPI will increase the resolution but will also reduce the size of the image.
On the other hand, PPI stands for Pixels Per Inch and is a measure of digital resolution. It refers to the number of pixels that appear on a screen. A higher PPI resolution will result in a sharper image with more detail, while a lower PPI resolution will result in a pixelated image. PPI will also affect the print size and quality of an image. However, PPI is independent of DPI, meaning that changes in DPI will not affect PPI.
When preparing an image for the web, DPI is irrelevant, and only PPI needs to be considered. However, when preparing an image for print, both PPI and DPI are important. The PPI will determine the digital resolution of the image, while the DPI will determine the print resolution.
It is important to note that there is no direct relationship between PPI and DPI. The number of PPI does not always equal the number of DPI. The PPI of an image will depend on the screen being used, while the DPI will depend on the printer being used.
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You can't change the DPI in MS Paint
- Open both pictures in Paint, in two separate windows.
- Move over to the image that you want to convert to 300 DPI and select "Resize".
- Check the "Pixels" radio button and over-type the dimensions with those of the image that you want to convert it to. Be sure to uncheck the box "Maintain aspect ratio", which is checked by default.
- Save the picture with its new dimensions.
- The last step is to copy the image you want to convert and paste it over the resized image.
It is important to note that increasing the DPI will significantly reduce the size of your photo. If you then resize the 300 DPI image to its original dimensions, it won’t be as sharp, and any text might appear blurry.
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Use PAINT.NET to change DPI
Paint.NET is a free software that can be used to change the DPI and resize images. The process is not particularly intuitive, but there are tutorials available on YouTube to help you get started.
To change the DPI of an image in Paint.NET, first, open the image in the software. Then, select the "Resize" option from the "Image" menu. This will open a dialog box where you can specify the new dimensions of the image.
The new size shown at the top of the "Resize" dialog is the size of the uncompressed image, and it represents the amount of memory (RAM) required to edit the image. When the image is saved, a compression algorithm will reduce the image to a smaller file size.
There are two resize modes available in Paint.NET: "By Percentage" and "By Absolute Size". The "By Percentage" option allows you to change the size of the image by a certain percentage, while the "By Absolute Size" option lets you specify the new height and width of the image.
The "Maintain aspect ratio" option ensures that when you change the width or height, the other value adjusts proportionally. For example, if you have an image that is specified to be printed at two inches wide, and the resolution is set to 96 pixels/inch, then the image will be resized to a width of 192 pixels.
It is important to note that changing the DPI of an image can affect its quality. Increasing the DPI will reduce the size of the image, and resizing the image back to its original dimensions may result in a loss of sharpness and blurry text.
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Increasing DPI will reduce the size of your photo
When it comes to image resolution, the number of pixels an image holds is critical. The higher the resolution, the more pixels there are, resulting in a more detailed image. This also means that the file size of the image becomes larger.
DPI, or Dots Per Inch, is a measure of image resolution that specifically refers to how many pixels appear when an image is printed. A higher DPI means a higher resolution and a more detailed image. This is particularly important when printing images, as it determines how clear and sharp the printed image will be.
However, increasing the DPI of an image will reduce its size. This is because when you increase the DPI, you are effectively adding more pixels per inch, which makes the individual pixels smaller. As a result, the overall size of the image decreases.
For example, if you have a 72 DPI photo that needs to be printed, a printing company may require a minimum of 300 DPI for optimal print quality. Increasing the DPI from 72 to 300 will significantly reduce the size of your photo. If you then resize the 300 DPI image back to its original dimensions, it may appear blurry or pixelated.
To increase the DPI in MS Paint, you can follow these steps: First, open your image in MS Paint. Then, select "File" from the top menu and choose "Properties." Next, click on the Resize option and ensure that the Pixels radio button is selected. Now, you can enter the desired DPI value in the Horizontal and Vertical fields. Make sure to uncheck the "Maintain aspect ratio" box to keep the proportions of your image. Finally, save your image with its new DPI settings.
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Frequently asked questions
You can't change the DPI in MS Paint. However, you can change the resolution of an image by resizing it.
Open the image in MS Paint and select 'Resize'. Check the 'Pixels' radio button and enter the desired dimensions. Make sure to uncheck the 'Maintain aspect ratio' box. Save the image with its new dimensions.
DPI (Dots Per Inch) refers to the number of pixels that appear when an image is printed. This is different from PPI (Pixels Per Inch), which refers to the number of pixels displayed on a screen. As MS Paint is a digital image editor, it only deals with PPI, not DPI.
You can change the DPI of an image by using a different program, such as Affinity Designer or Paint.NET.







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