Resizing Images For Mac

21-04-2021
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If you own a Mac and looking for methods to resize images without losing quality, then this article will definitely help you. For many reasons, you may need to resize the images. Sometimes to make more space on your device or to transfer files quickly.

Steps To Resize Images On Mac

There can be many ways to resize images on Mac without losing quality. But here we are covering four major ways which are not very technical. So, let us begin with these basic methods.

In the Preview app on your Mac, if the Markup toolbar isn’t showing, click the Show Markup Toolbar button, then click the Adjust Size button. Enter new values for width and height, or click the “Fit into” pop-up menu and choose a size. Resize the image by a percentage: Choose “percent” from the pop-up menu next to the Width and Height fields, then enter the percentage in those fields. You don’t need to pay for Photoshop or another photo editing app to resize images and make them smaller on a Mac. You can use Preview which comes as part of MacOS and resize images for free.

1. Resizing in Preview:

  1. Using an application to resize images: If you find it difficult to resize images using above methods or if you have a large number of images to play with then you must go for a third-party application. When it comes to image resizing applications for Mac Image resizer from Tweaking Technologies is the best app to resize images in bulk.
  2. Batch Image Resizer for Mac enables you to alter and resize multiple images at once, while making image tweaks along the way. The interface is easy to navigate, and the software carries out its.

When you double-click on an image on your Mac, Preview is the application that opens it up by default. You will be surprised to know that it is already a good application to resize images. To resize an image, open it into Preview, and go to Tools > Adjust Size in the menu bar.

The window provides you information about the size and resolution of the selected image. You can manually type the dimension to resize the selected image. If you are resizing the image for printing purpose, then 240×300 resolution will be the best. If you are posting an image which will be viewable on the website, then 72×150 resolution will work well.

Also Read: 27 Cool Mac Tips & Tricks You Probably Don’t Know: Part I

2. Resizing through e-mail:

If you are looking for a faster way to resize images, then email can help you. Simply drop the image into the email application of your Mac.

The bottom of the composition box, of email you will see the dimensions of the resized photo before you email it. You can change it to Small, Large, or Actual Size, so if you want to compress the image you can select small from the bottom of the image.

The best part about using email to resize an image is that it doesn’t resize the original one. It makes a copy and then resizes it. But to get the resized image you need to send the email, if you will try to drag out the image from drafts it will not be the resized one.

3. Using a website to resize image:

There are so many websites which claims to resize the image without losing quality. Some of these websites allows you to bulk upload images and after resizing you can bulk download them. On the web page, you can see the detailed log of resizing with the information such as how much percentage of an image is compressed what was the actual image size and compressed image size.

4. Using an application to resize images:

If you find it difficult to resize images using above methods or if you have a large number of images to play with then you must go for a third-party application. When it comes to image resizing applications for Mac Image resizer from Tweaking Technologies is the best app to resize images in bulk. It is an application which not only helps you to resize images but it can also help in bulk rotating and changing format of images in bulk. What you will love about this application is that it shows you preview of the images you can add and remove images even after you have added them to the application.

Some websites demand prefix or suffix for images the application also allows you to add that in a batch of images which makes it the best image resizer for Mac.

You can get this application from the given link.

Resizing Images On Macbook Pro

This is how you can resize images on your Mac without losing quality. These easy tips and tricks will help you in resizing images quickly.

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Resizing Images Mac

By Adela D. Louie, Last updated: August 27, 2019

Do you have a lot of images in your Mac? Would you want to know how to resize an image on Mac for you to be able to save a lot of your storage space? Then this article is for you.
Pictures are considered to be one of the most stored items on a Mac device. This is because they're actually a lot of people who are having fun taking some pictures using their iOS devices. And because of this, what they tend to do is that they actually save these pictures on their Mac and serves as a backup.
And if you would want to preview a certain image on your Mac, then that will be easy. All you have to do is to double-click on the image file and then it will open automatically for preview.
And if in case that you have you have already changed your image file associations, all you have to do is to go to your Launchpad or you can also do this just by simply pressing the Command + Space and this will launch your Spotlight Search. Then from there, you can go ahead and search for Preview. And we are going to show you in a while on how you can do this.
So, if you would need to reduce the size of a certain image on your Mac because they are too large for you to send using email, or even to use online or for some other reasons. For sure, the very first thing that would get in your mind is getting an application such as Photoshop or other applications.
However, there is a way for you to be able to resize an image just by using your Mac without any applications that you would need to download. We are also going to show you here on how you can resize your images in many ways.

Part 1: How to Resize Image On Mac Using Preview

Here are the steps that you would need to follow for you to be able to change the size of an image using the Preview tool of your Mac.
Step 1: Go ahead and find the image that you want to resize. You can do this by using the Finder app or you can use your Desktop as well.

Step 2: After that, go ahead and double-click on the image. This way, you will be able to launch the image in Preview. If this does not work, you can go ahead and close it and then right-click on the image. After that, go ahead and choose “Open With” and then select Preview.
Step 3: And then, go ahead and click on Tools.
Step 4: From there, go ahead and choose “Adjust Size”. Or you can do it as well by clicking on the square that has the arrow icon on it in the menu bar.
Step 5: After that, you have to make sure that the Scale of the photo is proportionally chosen. This means that the things that you can only do are to change its dimensions such as its length, or its width.
Step 6: After that, go ahead and select if you want your image to be resized based on the pixels, percent, inches, cm, mm, or by its point.
Step 7: Then go ahead and adjust the width number or you can also choose to adjust the Height number. Either of which you choose, the other one will be able to adjust automatically to make your image proportional.
So that is it. You were able to resize your image using Preview on your Mac. This method will definitely change the dimensions of the image that you have chosen to resize. But aside from this method, there are several ways with how you can resize your image.

Part 2: How to Resize An Image and Make it Smaller

Now, if what you are trying to do is to change the size of your image so that you can send it to other people using your email. Then there is a possible way for you to do this.
If you are going to launch the Adjust Size menu, and if you take a closer look, you will be able to see one that you try to adjust the dimension of your image, then you will be able to see a preview of the size. This can be in MB or in KB.
Now, in case that what you are trying to do is to resize an image to 500KB, then all you have to do is to keep on adjusting the dimensions of your image until such time that you have reached your target size.
And, aside from that, there is another way for you to do resize your image. And you can do this by the quality setting under your Export menu. Here is what you need to do.
Step 1: Go ahead and click on the image that you want to resize and then click on Export.
Step 2: After that, you will be able to see several file formats that you can choose from. You will be able to see formats such as HEIC which is the new file format, JPEG, JPEG-2000, OpenEXR, PDR, PNG, or TIFF. And if you are going to check out below, you will be able to see a list of measurements of the file available. And if you are going to click on those different file options, you will be able to see that your image will change its size.
NOTE: JPEG is smaller than PNG file and TIFF is bigger than the PNG file.
Step 3: Even though you have already chosen JPEG, you can still actually go one step forward for you to be able to resize your image. All you have to do is to slide the quality bar from Best to Least until you reach the size that you would want.
Step 4: Once that you are done and satisfied with the file size, all you have to do is to click on the “Save” button.

Batch Resize Photos Mac

Part 3: How to Resize Image on Mac but Still Maintain 300dpi

Since that the quality of the image that you are trying to resize still matters to you. Then what you would need to have the possible best result which is the 300dpi which is commonly used for images that to be printed out. So, if you want to know how you can do this, just go ahead and simply follow the guide below.
Step 1: Go ahead and deselect resample image.
Step 2: After that, go to the part where it says resolution pixels/inch.
Step 3: And then, go ahead and change the number that you see on your screen to 300. You can also change it to the number that you would want or what is required.
Step 4: Then you will be able to notice that the height and the width measurements will also adjust.
Step 5: From there, just go ahead and click on the “OK” button.
Step 6: This method does not actually adjust the previous size of your selected image, but it only means that once that the image that you are working on is chosen to be printed, then it will appear smaller but still crystal clear.

Part 4: How to Resize an Image on Mac by Cropping in Preview

One old-school way for you to be able to resize the image that you want is to crop it. This method is actually a very easy thing to do. Now, since not everybody knows about this, then here are some guidelines on how you can do it.
Step 1: Go ahead and simply click on the image that you want to resize in Preview.
Step 2: Then after that, go ahead and drag the blue box that has the surrounding of the image that you would want to crop.
Step 3: And if you would want to make a particular size, then all you have to do is to drag the dimension box until you reach your target. And also, you will be able to see at the bottom right corner of your screen the pixel that has been chosen.
Step 4: And so, once that you have to right size box, go ahead and un-click the box then you will be able to move the box’s position.
Step 5: Once that you are satisfied with the result, all you have to do is to go ahead and press on Command + K and then you will be able to crop the image.

Part 5: How to Resize an Image Without Losing the Quality

Resize Images For Mac

AS we all know, there is no way that you can actually add some pixels on a certain image for you to have better quality. But what you can do is that you crop the crop the image as what we have mentioned above.
On the other hand, you can also use the HEIC format, which you can actually use for you to save more of your space on your Mac. This way, you can save a certain image that is actually smaller than the JPEG but at the same time, you will still have the same quality.
The HEIC however, is only available if you are using a macOS High Sierra or Mojave. You can also have this format if you are using an iPhone or an iPad that is running on iOS 11 or iOS 12.

Resizing Images For Mac

Part 6: How to Do A Batch Resize

Another way for you to make your job easier is to do a batch size. You can do this if you actually have a number of images that you would want to adjust. For you to know how you can do this, just go ahead and follow the guide below.
Step 1: Go ahead and choose all the images that you would want to resize by using your Finder application. You can also do this on your Desktop. Make sure that you are pressing the Command key while you are choosing your photos.
Step 2: After that, go ahead and right-click on all on the image that you have chosen and launched it on Preview. You can choose by pressing the Command + A.
Step 3: After that, go to Tools, and then click on Adjust Size.
Step 4: And if you would want to change the dimensions of your image, go ahead and click on Scale Proportionally.
Step 5: Then, you will be able to see on your screen “Multiple Values” and all the measurements in columns.
Step 6: After that, go ahead and click on “OK” to adjust the size of your image that you have chosen earlier.
Step 7: And then, go ahead and press Command + S for you to save all the images that you are working on.

Part 7: Changing the Format of Your Image

And as a bonus tip for you to be able to save more space on your Mac, you can go ahead and change the file format of pictures that you have resized to make its size smaller. Here is how you can do it.
Step 1: Go ahead and click on the File option in the menu bar.
Step 2: After that, go ahead and click on Export.
Step 3: From the list of format seen on the drop down, you can go ahead and choose the format that you want. You can choose from HEIC, JPEG, JPEG-2000, OpenEXR, PDR, PNG or TIFF file format.
Step 4: With the options shown, you can also adjust the quality of your image.
Step 5: And once that you are satisfied with the outcome, go ahead and simply click on Save.

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Part 8: Conclusion

Resizing Images On Macbook

So, there you have it. Resizing an image on your Mac is possible without having to download any applications to use. All you have to do is to follow all the steps that we have mentioned above depending on how would you want to appear your image.

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