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Force Preview to Open an Image File on Mac

Feb 24, 2010 - 1 Comment

Preview is one of my favorite Mac apps, but recently was refusing to open some image files for what seemed like no reason. I wasn’t even able to drag the image file onto the Preview icon to open it, which is usually something that works if the Open menu doesn’t. I know the images … Read More

Convert Images in Mac OS X: JPG to GIF, PSD to JPG, GIF to JPG, BMP to JPG, PNG to PDF, and more

Jan 24, 2010 - 34 Comments
convert images mac

You can convert many different image file formats in Mac OS X for free using the included Preview application, there’s no need to download additional tools or do anything overly complex. As of any somewhat modern version of OS X, the Mac Preview app supports the following file types and will convert between any of … Read More

Delete pages in a PDF document

Jan 20, 2010 - 3 Comments
delete pages in pdf

You can delete specific pages from a PDF file with the built-in Mac Preview app, just select/highlight the page you want to delete and then hit the delete key. This is really useful for paring down large PDF documents if you only need a few select pages, this is bound to make any student or … Read More

Convert PNG to JPG or Convert JPG to PNG

Jan 12, 2010 - 12 Comments
convert png to jpg

Converting a PNG file to JPG is really easy in Mac OS X, here are the steps: * Launch the origin PNG file within Preview * Navigate to the File menu and down to ‘Save As’ * Select “JPG” under the ‘Format’ drop down list * Click “OK” Your PNG file now has been converted … Read More

Batch Resize Images on Mac with Preview

Dec 16, 2009 - 32 Comments
batch resize images mac

You can easily batch resize groups of images within Mac OS X by using the included Preview app, that is, taking a group of pictures set at one or various resolutions, and collectively resize them all together in a group to a new resolution, outputting either as the same file or as a new file … Read More

How to Flip & Rotate Pictures in Mac OS X with Preview

Dec 4, 2009 - 4 Comments
rotate group preview

The OS X Preview application has a a few little known image adjustment features for rapid image orientation flipping or rotation that are quite powerful, and if you’re looking to make quick adjustments to rotate a picture or mirror vertically or horizontally the general orientation of any image file, a great Mac app to do … Read More

Combine PDF’s with Preview by dropping thumbnails onto one another

Nov 15, 2009 - Leave a Comment

You can combine PDF files within the Preview app by dropping thumbnails onto one another, Lifehacker explains: The trick is to drag thumbnails on top of a thumbnail in the document you’re dragging to. This combines the pages. If you want to rearrange the pages, just drag them where you like—they’ll stay within the combined … Read More

Preview Not Saving JPG Rotation? Use Exif Data to Fix Rotated Image Display

Aug 14, 2009 - 4 Comments
exif preview

I was driving myself up the wall recently trying to figure out why the Mac would not save my image rotations when I exported a picture from Preview in OS X, so in looking for a solution I stumbled onto our friend MurphyMac‘s site and found a solution! Basically after you have rotated the … Read More

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