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QuickLook plugin to display the dimensions and size of an image in the title bar instead of the filename. Also preview some unsupported formats like WebP. http://cocoaintheshell.com
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README.md

qlImageSize

This is a QuickLook plugin for OS X 10.8+ to display the dimensions of an image and its file size in the title bar.

https://static.whine.fr/images/2014/qlimagesize4.jpg

This plugin can also preview and generate Finder thumbnails for unsupported images formats like :

https://static.whine.fr/images/2014/qlimagesize3.jpg

https://static.whine.fr/images/2014/qlimagesize2.jpg

mdImageSize

It's a Spotlight plugin to display informations of unsupported images (WebP, bpg, Portable Pixmap) in the Finder's inspector window.

https://static.whine.fr/images/2014/mdimagesize1.jpg

Installation

  • Download the .pkg installer here.
  • Open it.
  • Follow the steps. (you will be asked for an admin password)

Uninstall

  • Launch Terminal.app (in /Applications/Utilities)
  • Copy and paste the following line into the Terminal :

sudo rm -rf "/Library/Application Support/qlimagesize" "/Library/QuickLook/qlImageSize.qlgenerator" "/Library/Spotlight/mdImageSize.mdimporter"

  • Press Enter.
  • Type your password and press Enter.

Limitations

If you are a Pixelmator user, its own QuickLook plugin might get in the way when previewing WebP files. To fix this you need to edit the file /Applications/Pixelmator.app/Contents/Library/QuickLook/PixelmatorLook.qlgenerator/Contents/Info.plist and remove the dict entry that handles webp.

License

qlImageSize is released under the Simplified BSD license, see LICENSE.

Blog : Cocoa in the Shell

Twitter : @Nyx0uf


About Mavericks (OS X 10.9)

qlImageSize doesn't fully work on 10.9. By fully, I mean it works for certain types of images like tga, bmp, psd, tif but not for the common ones jpg, png, gif.

It is a known bug in the OS and I can't do anything about it, Apple never fixed it and won't. The best way is to update to this ugly as fuck 10.10, how sad.

For more informations, see issue 4.

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