module PaperclipWatermark
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PaperclipWatermark Dependency Status Build Status

Papercli Watermark processor


Edit your paperclip model:

# app/models/assets.rb

class Asset < ActiveRecord::Base
  attr_accessible :attachment

  # Paperclip image attachments
  has_attached_file :attachment, :processors => [:watermark],
                    :styles => { 
                                 :thumb => '150x150>', 
                                 :original => { :geometry => '800>', :watermark_path => "#{Rails.root}/public/images/logo.png" } 
                    :url    => '/assets/attachment/:id/:style/:basename.:extension',
                    :path   => ':rails_root/public/assets/attachment/:id/:style/:basename.:extension',
                    :default_url => "/images/:style/mising.png"


Add this line to your application's Gemfile:

gem 'paperclip-watermark'

or install from github:

gem 'paperclip-watermark', :github => 'vikewoods/paperclip-watermark'

And then execute:

$ bundle install

Or install it yourself as:

gem install paperclip-watermark


  1. Fork it
  2. Create your feature branch (git checkout -b my-new-feature)
  3. Commit your changes (git commit -am 'Add some feature')
  4. Push to the branch (git push origin my-new-feature)
  5. Create new Pull Request