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Finder: certain image files only display generic thumbnail icon

I have been noticing a pattern ... when saving an image file in Photoshop CS5, it will display with a custom thumbnail icon.

When using Photoshop's Save For Web feature, the images will instead display with the white framed generic jpg icon.


At first I thought the missing profile was to blame (Save For Web strips off any color profile), but here's what's weird:

when opening and re-saving the same file via Photoshop or Preview, the custom thumbnail will suddenly show up.


Anyone have an idea for a workaround or how to fix?

Re-saving is really not an option, since we are talking hundreds of files & folders ...

OS X Mountain Lion (10.8.5), 2.4 GHz Intel Core i5

Posted on Sep 15, 2013 7:47 PM

Reply
25 replies

Sep 16, 2013 11:37 AM in response to J and F__

select the icon of a file of that type and choose File -> Get Info. In the Info window, expand the Open With section if necessary, and select your preferred application from the pop-up menu. Click the Change All button and then click Continue in the confirming dialog box. Now this file type will always open in the application you prefer.

Sep 16, 2013 2:44 PM in response to Z_B-B

Thanks, but my issue is not about opening image files, but about how the preview icons display within an image folder.


Most photo files display an image preview as thumbnail icon, but some image files (after Saved For Web) only show up as generic JPG icons instead of the preview thumb.


Frustrating, sinceoften times I need to search for specific images within large folders and icon view is usually the best view mode for a fast overview.


Adobe claims it's a Mac issue, but haven't found a workaround so far.

Sep 23, 2013 9:09 AM in response to J and F__

Update: still struggling with the generic jpg icon/thumbnail issue.


I trashed the Finder preference file (com.apple.finder.plist) & relaunched Finder - did not fix.


I did Get Info on an indivual image file and deleted the icon in the top left on the Info window

- this fixes the issue (image thumbnail shows up in folder), but there's no way to apply this workaround to hundreds of generic jpg files!


Frustrating, since browsing large image folders in icon preview view is the fastest workflow for me.

Oct 22, 2013 9:19 AM in response to J and F__

This is still an ongoing & rather frustrating problem, especially when browsing large volume image folders:


image files in most folders will only display as generic jpg icons in all four folder preview settings [icon, list, column or cover flow]


Trashing the Finder preference file did NOT work, neither did relaunching the Finder.

Two workarounds DO help, but are just too cumbersome to apply on a daily basis:


A. Highlight a single icon > Get Info > delete generic jpg icon in the info window > close window

B. Open folder > Command-F to bring up search window > select name of image folder > choose "Is Image" in the Kind option bar > all images now display in the folder window


Also, I noticed there are four additional Finder preference files - each with a different seven digit letter/number combination after the file name "com.apple.finder.plist"


Would it be safe to delete all these files ... or are these files maybe creating the issue?

Dec 3, 2013 11:17 PM in response to J and F__

Had the same problem, tried repairing permissions, flushing caches, trashing the plist.

Here is what worked for me.


The slow way

  1. open the file in preview
  2. select the image (Cmd-a)
  3. copy the image (Cmd-c)
  4. Back to Finder with the file selected
  5. Get information (Cmd-i)
  6. Select the image well (the littile icon at the top of the inspector window)
  7. Paste (cmd-v)
  8. Close info window and preview


Fast Way

  1. Open Automator
  2. Choose to create a service
  3. Runs on image files, in Finder
  4. In the Photos Library find "Add thumbnail Icon to Image Files" and drag it over
  5. Save
  6. Now you can select as many png files as you like and change them all

Dec 17, 2013 4:52 AM in response to J and F__

I'm confronting with the same problem myself. The wierdest part is that when I originaly installed Mavericks I didn't have this issue but when I reinstalled it due to some other problems, I got this.


The only solution so far is based on something you said. Selecting the files only not individualy but "folderly", by the hundreds, press cmd+ctrl+i (to open them in summary view) and deleting the pic's thumbnail. It takes a second for some hundred photos but does the job done. 🙂

Finder: certain image files only display generic thumbnail icon

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