Retrieving Thumbnail from an Animated Gif – CarrierWave

Hey everyone,

I’ve been mucking around with CarrierWave today and ran into a bit of an issue. When creating a thumbnail from an animated gif the thumbnail was also animated. Unfortunately this led to some of my image-heavy pages hanging for a bit.

This StackOverflow post offers the following solution:


#Add this method in your uploader
def remove_animation
  manipulate! do |img, index|
    index == 0 ? img : nil
  end
end


#Adjust your thumbnail process so that it now includes a call to the new function
version :thumb do
  process :remove_animation
  process :resize_to_limit => [75, 75]
  process :convert => 'jpg'
end
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