If you are working with an image professionally, DPI is significant to consider. You should check the DPI of an image before printing to confirm the printed photo looks as beautiful as it is on screen.
The DPI usually indicates the quality and resolution of an image when printed on paper. Therefore, a photo printed with an incorrect DPI will end up with a blurry and low-quality photo.
So, how to find DPI of image on Mac? Using Photoshop software, you can easily find this. Besides, MAC preview option is also effective here. But there is another way to calculate the DPI of the image.
Please read this post thoroughly for detailed information about the DPI of an image.
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What is DPI in Image?
At first, you need to know what DPI is. DPI stands for Dots Per Inch. This is a unit of measurement of the resolution for a printed photo. It refers to the number of printed dots are in an inch of your printed paper.
The higher the density of the dot on a digital image, the better quality image resolution you can get. It allows determining the resolution and quality of a photo.
As the value increases, the photo becomes more visible and sharper. A higher number of DPI of an image gives the printer a detailed amount of information.
More DPI in an image gives you more detail and excellent resolution that allows it to be zoomed in much further.
Even if you try to print a small-sized image with a high DPI, you will find it a more vivid and visualized image, perfect for a digital photo.
If you want to print an image of a large size, it’s needed to ensure that the photo has a high DPI. Otherwise, lower DPI images printed with a powerful printer will produce an image with fewer dots in the printing.
A low-resolution image fails to provide enough pixel dots for a high-quality image. It makes the image pixelated when zoomed in.
3 Ways for How to Find DPI of Image on Mac?
There are several ways that you can check the DPI of an image on Mac. However, we have shared 3 standard processes of checking image DPI on Mac here.
Method 1: By Calculating the Image Resolution
Do you know you can calculate the DPI of an image by using image resolution; the process of calculating DPI with picture resolution is given below
Step 1: Right-click on an image.
Step 2: From the menu, tap on “Get Info”.
Step 3: Go to the “More info” tab and look for Dimensions as “Width pixels × Height pixels”
Step 4: Now, determine the width and height of the image in inches.
Step 5: Divide the width pixel value with the image’s width; you will find the horizontal DPI of the picture. And divide the height pixel value with the height in inch, and you can get the vertical DPI of the image.
Method 2: Using Mac Preview
The above method seems too boring and faulty? There is another easy and quick way.
When you are a Mac user, you can use the built-in Preview app to check the DPI of an image. To do this, you have to follow the instructions given below
Step 1: Open the Finder file management app
Step 2: Now navigate the file location.
Step 3: Right button click on the file.
Step 4: From the list, click on Open With
Step 5: Select Preview from there, and the file will open
Step 6: On that window, click on ‘Tool’
Step 7: Select ‘Show Inspector’
Step 8: There will appear an information list with all the information of the photo. You can find the DPI of the image listed as image DPI.
Kudos! You got the image DPI on MAC without any additional software.
Method-3: Using Photoshop
If you have Adobe Photoshop installed on MAC, you can also find the DPI of an image using this soft.
The process of finding DPI using Photoshop is given below
Step 1: At first, you have to open the image in Photoshop.
Step 2: From the menu bar, click on the “Image”.
Step 3: Select “Image size” from there.
Step 4: Image Size dialogue box will appear. Under the Resolution section, the image’s resolution is listed as pixels per inch (PPI) representing DPI.
How Do I Change The DPI Of An Image On A Mac?
You can also change the DPI of an image using a built-in preview app or Photoshop as you want
Using Preview
You can also change the image DPI using preview, follow the instructions
- Open the image you want to change DPI in Preview.
- You will see “TOOLS” on the Menu bar; select it.
- Select “ADJUST SIZE”
- Then Uncheck the “Resample Image” from the checkbox
- Type the preferred resolution in the box.
- Click on “OK”
- At last, Click on “FILE” on the menu bar and then “SAVE” to save the change.
Using Photoshop
To change an image’s DPI in Photoshop, you can follow the instruction
- Open the selected picture in Photoshop.
- Go to the Menu bar from the top of the screen, click on the “Image” tab.
- You will see “Image Size” there, select it, or there is a shortcut for this, press “Alt+Shift+I”.
- There will appear a dialogue box “Document Size”.
- Now Uncheck “Resample Image”.
- Then go to the “Resolution” section
- Type the preferred resolution you want.
- At last click on “OK”.
- Tap on “File” from the menu bar and save.
DPI Vs PPI
Some people may confuse DPI with PPI. Both describe the quality of the image, but they have distinct differences too.
DPI stands for dots per inch ideal for a printed image used in this digital media. So, increasing DPI gives the larger size of a printed version of an image.
On the contrary, PPI stands for pixels per inch of an image displayed on a screen. It also affects the printed quality. But it basically shows the image pixel rate determining the resolution of that image.
Conclusion
There are many ways if you want to check the DPI. We have explained 3 different ways for how to find DPI of image on Mac for your help.
Did you find your way to check the DPI of an image? If you read this carefully, you will surely be able to do this on your own and also can change the DPI of an image.
We hope this article is compelling enough for you. It will help you learn what DPI is and how to check and change the DPI as per your requirement.
Frequently Asked Questions (FAQs)
How do I find out the resolution of a JPEG on a Mac?
Ans: You can easily find out the JPEG resolution on a Mac by using Mac preview. To do that, you have to follow the process
* Right-click on the image > click open.
* Then click on Tools > Select Show Inspector.
* Now you can see the resolution as DPI of your image.
Can I Change 72 DPI to 300 DPI?
Yes, you can change 72 DPI to 300 DPI. There are different ways that you can convert your image from 72 DPI to 300 DPI. But you can’t change the PPI to DPI.
What Does 72 DPI Mean?
As we know, DPI refers to the number of printed dots per inch of your printed photo. So, 72 DPI means that the image has 72 dots per inch of it. 72 DPI is standard for the excellent quality image used for the web only.
