February 12, 2016

GIF Annimation Resize

Last week I was trying to figure out a way to reduce the size of some animated GIFs that were generated from Google Photos. I wanted to put together a collection of them on my website.

I thought I would share how easily this can be done in Apple's Preview application. Don't use Preview that much? I did hear someone say that Apple Preview is a very powerful app and they were going to write a book about it. I believe they didn't for some other productivity book.

BostonMarathon.gif

This is useful if you have a GIF that is 850x638 and wants to make it 425x319. This won't do any advanced compression, it will simply resize the image while maintaining the quality.

Simple Steps

  • Make a duplicate of the image if you want to keep the original size.
  • Double click on the GIF to open the image in Preview,.
  • You should see a drawer with the thumbnails on the left.
  • Select all the images by doing a Command-A
  • Under the Tools menu, select 'Adjust Size...'
  • Make a change to the size, make sure that Scale proportionally is selected.
  • Save the image. (Technical you don't have to do, since Apple will save it when you quit the application)

Check out the Animation page of a few animated GIFs that I put together of the MBTA commuter rail. Some of them at the Framingham Station and a couple on the train itself.

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