i want to view resolution of images in finder window

File size is displayed but I would also like to view resolution of image. Can you tell me how to do this?

MacBook Pro, OS X Yosemite (10.10.5)

Posted on Sep 8, 2015 3:30 AM

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19 replies

Sep 8, 2015 5:04 AM in response to Lexiepex

This is the first time I have participated in the Apple Support Community - it's all a bit new to me so bear with me.

I can see the file size but not the pixel size. (I have to go into preview-tools-show inspector for pixel size.)

I was going to try to attach a screen shot to let you see what I mean - how do I do that?

Sep 8, 2015 6:34 AM in response to scg69

Just to be nit-picky, what information are you actually trying to get? I would presume it's what Lex shows, which is not resolution, but pixel dimension in the height and width.


Resolution refers to output. Mainly, to a printer. As an example, open any of your images in Preview and press Command+I. Here, it gives you both pixel dimension and resolution, which it notes as Image DPI.


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Photoshop properly calls it Resolution:


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Resolution means nothing to video editing or displaying images on the web. All they care about is pixel count. Your monitor also could care less about an image's resolution. A 300 pixel by 600 pixel image will take up 300 x 600 pixels on screen no matter what the resolution value is.


When you print it though, big difference. Resolution tells the output device how many pixels of the image should be used in a linear inch. More pixels per inch means better detail. In the printing industry, 300 dpi is standard for most projects. More than that is usually unnecessary overkill. That is, you won't see much, if any difference by increasing the resolution. Lower numbers produce choppy, pixelated looking output.

Sep 8, 2015 6:48 AM in response to Kurt Lang

Hi, thanks for your comprehensive explanation. I thought pixel size and resolution were one in the same, but I now realise this is not the case. I want to look at the finder window and see the image dpi and file size, without having to go into 'get info' or 'preview-tools-show inspector' for each and every image. I am browsing my photos to select images that have a dpi of 300 or more as I am sourcing material to be used in a large print project. Files in my pictures folder are showing me details under the filename but the .jpg files I am browsing in another file only show the filename, nothing else.

Sep 8, 2015 7:56 AM in response to scg69

Preview will show you the resolution an image is set to, as will Photoshop, but can be a massively time consuming project to sort them out if you have hundreds to look through and can only check them one at a time.


At least Preview is somewhat faster at that since you can open a bunch of images at once. Well, you can in PS, too, but Preview has an advantage. With a bunch of images open in Preview, press Command+I. Then go back over to the left where the images are all shown in a column. Highlight the first one and then use the arrow key to scroll down through the list of open images. The information window will automatically change to show you the information of the image being currently viewed.


I don't, and have never used iPhoto or the new Photos replacement (I use Media Pro for my image cataloging), so can't tell you if there is a way to set those up to show more data under each image. Even though I have it, I also never use Adobe's Bridge software. That may, or may not do what you want. Media Pro will show me that kind of info if I want it to:


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It would certainly be the fastest method to have such an app show you both the pixel and resolution dimensions within the image browser. Just can't help you do that with the software you currently have.

Sep 8, 2015 7:25 AM in response to scg69

scg69 wrote:


OK, that has worked for items in my pictures folder, so thank you. However, I have a hundreds of pictures in another folder, they are all .jpg files but even when the 'show item info' box is checked, all that appears is the file name. Can you tell me how I can let you see this on a screen print. Thanks.


There is no special treatment for the "Pictures" folder. What happens is that if you set the View Options for a folder it does not set them everywhere. If you always want it that way, click the "Use as Defaults" button after you set everything the way you want.


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Sep 8, 2015 8:01 AM in response to Luis Sequeira1

Hi, that's what I would have thought too but I assure you, the images in my pictures folder show me the image size under the file name but the pictures in another personal folder, containing .jpg files, only displays the file name, nothing else. Strange! Can I copy and paste a screen shot to show you? Just not sure how to do this, it's my first day using the Apple Support Communities.

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i want to view resolution of images in finder window

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