How to resize an image on Mac 2021

Batch photo edits made easy

Get PhotoBulk to edit and watermark your photograph gallery .
Looking for an persona resizer on Mac ? Whether you need to scale down a bombastic image file for it to take up less outer space and be more sendable, need to resize to fit into a presentation without distortion and weighing down the file, or equitable need to compress your endless photograph library, there are enough of options for you to choose from .
In this post, we will look at the tools in the prototype resize tools at your disposal and how to use them .

Bulk resizer for Mac: Edit, watermark, resize

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How to resize images on Mac

Let ’ s start with the basics. Macs actually have a built-in image editing software that can resize images on your Mac. If you go to Finder > Applications and coil through the apps, you ’ ll find Preview, an effigy view and editing app that comes with your Mac. And yes, Preview can resize your persona .
here ’ s how to do it :

  1. Open an image in Preview (simply double-click on the file to open it and Preview is the default option in most cases).
  2. Find Markup icon in the top menu bar of the Preview window (for narrow images, the icon often hides behind the >> .
  3. In the Markup mode, click Adjust Size icon:
  4. adjust size preview

  5. In the pop-up book window, set your hope image dimensions and click OK :

preview resize
note that by default option, Preview saves all edits in the existing charge. To keep both your original image and the resized ( or differently edited ) one, go to File > Export… and save your changes as a new file .

Resize multiple images at once

But you don ’ t have to go resizing your photograph collection on Mac one by one. You can actually batch resize both with Preview or apps like batch editing and watermarking cock PhotoBulk .
Let ’ s start with Preview. hera ’ s a bit-by-bit for batch resize there :

  1. Select all images you want to resize in a Finder folder and right-click on them.
  2. Select Open With… and click on Preview.
  3. As you get your images open in Preview, you’ll see one selected image in the center and the rest as thumbnails on the side. Select all thumbnails with Command + A.
  4. Click Tools in the Preview menu bar at the top and pick Adjust Size… option.
  5. Set your resize settings in the pop-up window and click OK:

batch resize in preview
note that all images will be saved on top of your existing files, indeed if you want to only create resize copies, make certain you create copies first base .
immediately, let ’ s examination multi visualize resize in PhotoBulk .
resize image mac photobulk
In the app, all you have to do is drag and drop your batch onto the window and then select your editing options .
In accession to resize, you can choose to optimize your images, erase or keep entirely part of the image metadata ( can be utilitarian if your phone records image placement and you want to contribution an persona on-line, deoxyadenosine monophosphate well as multiple other privacy uses ), change image format, batch-rename, and watermark the trope. now, in our sample, we chose the script setting for watermarking, but you actually have a choice to set this up in other water line formats, including fair adding a date stamp, an double ( like a logo ), or a single watermark anywhere on your movie .

Crop an image in Preview

And since we ’ ve already got one infantry in effigy edit, let ’ s besides see how to crop an persona on your Mac. After all, one answer to how to reduce prototype file size on Mac is merely cropping out the supernumerary space in your photograph — a outer space that in many cases can be very well done without .
Open your image in Preview and follow these steps to crop your photograph or early ocular :

  1. Find and click the Markup icon in the window Menu bar (may be hidden under the >> icon in narrow images).
  2. Select the area you want to keep (click, drag, and release to make the selection).
  3. Click the Crop to Selection icon that appears when you’ve made the selection:
  4. crop image preview

  5. That ’ s it, your persona gets cropped to your selected area !

note that the emended photograph gets saved rather of your original, so snip only the version you are ready to part with.

Bonus tip: Convert to any format & enhance your photo

now that you know how to resize an visualize in Preview, a well as resize, water line, and bulk edit images in PhotoBulk, let ’ s investigate how to convert your visuals to versatile formats and enhance them with filters and cool AI tools .
First off, Permute is a universal media converter that can help you convert images, video, and audio to a issue of formats. Just puff and drop your images to the Permute windowpane and select the format you want to convert them to — PDF, JPEG, PNG, HEIF, etc .
If the file format you want international relations and security network ’ metric ton in the drop down menu of the converter, you can actually click Add Preset… > Add New Preset…, choose Image, and add more formats, including BMP, GIF, TIFF .
And by the way, since we are talking about how to resize an trope on Mac, Permute knows how to do that besides — just click the wheel icon in the top right corner and check the Resize option :
convert images in permute
Luminar is another app you might find handy when working with photos. Just like Permute, we refrained from including this solution in our guide on how to resize a photograph on Mac as the key function of this app is AI-enhanced image editing that can help turn your takes into something breathless. That said, since you are looking for a tool to reduce photograph size on Mac, we ’ ll start with this feature of the app .
The resize works through export once you are done editing your inject. Find File > Export… in the app ’ second Menu measure at the very crown of your Mac ’ randomness screen ( as opposed to the top of the app window ). And set your Resize settings in the respective sphere that pops up :
resize in luminar during export
Luminar resize creature lets you set the pixel length of each english of the movie individually, deoxyadenosine monophosphate well as by long or short-circuit edge. Make the changes you want and click Save to export your edit ocular .
Speaking of editing, we merely have to talk about the best part about this photograph editor program — Luminar offers sets of AI-enhanced looks that can take your photos from good to breathtaking. These versatile presets can be used as is or adjusted to your individual persona. You can besides save your own settings to edit a crowd of images in the same ( or exchangeable ) way .
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Luminar boasts a collection of very handy tools to turn your photograph creations into faultless masterpieces. Some of the perplex things in the toolkit include make noise removal for zoomed-in or ill light shots, AI skin and portrayal enhancement tools, chic contrast that enhances your visualize without making it affected or noisy, and much more .

Bonus bonus tip: How to resize an image on a Mac without losing quality

Psst ! If you ’ ve read this far, you decidedly deserve a treat. Okay, here we go. There ’ s actually a little confidential to resizing images that you might not know. But here at Setapp we are trying to make your work flow deoxyadenosine monophosphate smooth as possible, so we merely couldn ’ deoxythymidine monophosphate keep it from you .
matter is, you must realize that downsizing your persona can lead to a poorer quality result. So how can you resize and keep the timbre ? Well, all you have to do is figure out your end use — what claim size you need for your project or use purposes ?
If your file will be a bantam picture displayed as separate of a web page or a presentation, equitable resize it to fit your dimensions. besides, make certain you don ’ t convert a smaller image into a larger size as that will decidedly result in a pixelated mess .
And ultimately, along with the picture size settings, you will often get effigy quality slider which is full of life when adjusting the choice of your final image :
image quality slider
The same slider is available in Luminar during trope export. In PhotoBulk, you can find it under Format.


Resizing images on your Mac does not have to be an ordeal. You can simply use the tools at your disposal that can take manage of image resize adenine well as double editing and much more. One such cock that you now know how to use is the built-in Preview app. This Mac app is easy to use and you already have it on your machine .
If you want to bulk edit and watermark images, consumption PhotoBulk. This simple editor program can help you resize and watermark a fortune of images in mere moments. Permute is an excellent solution if you want a versatile media converter. not only can it mass convert and resize your images, you can besides convert audio and television files with it. And finally, to add a few coating touches to your photograph works, try Luminar. This futuristic AI-powered image editor program can enhance your shots and make them beyond amaze, while doing all the photograph editing heavy lift, like picture resize, crop, flip, turn out, and more .
Explore these apps with your Setapp subscription and decide for yourself which works for you best ( or equitable use them all ! ). Setapp is a suite of apps that aid you tackle everyday tasks with no effort and under a single subscription. Tempted to try ? Start with Setapp 7-day free test now and see for yourself !

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