A image processing proxy server, written in Ruby as a Rack application. Requires ImageMagick.

ImageInfo finds the size and type of a single or multiple images from the web by fetching as little as needed.

Simply optimize CarrierWave images via image_optim

ImageSuckr is a ruby gem that allows you to get random images from Google for seeding purposes.

TinyMCE plugin for taking image uploads in Rails >= 3.1

Image generator for Jekyll 3 websites that automatically convert images from one format to another.

A dumper to download whole galleries from board like 4chan, imagebam, mangaeden, deviantart, etc.

Combine continuous multiple images

Provides the encoder and decoder for images in bmp format

flickrcaptionr generates images, given a Flickr or other oEmbed-supported source, at the resolution of your choice and optionally with image-macro-style captions

A ruby library that allows you to extract images from popular image-sharing services

Adding methods building on paperclip and imagemagick to save images as compressed base64 strings in the database. Also adding methods for resizing/cropping.

An experimental personal project to build a basic image gallery. Uses an external object for processing images sizes.

A library to ease the dynamic generation of CSS spritesfrom a list of images or a css file. Supports multiple image libraries, including GD2 and ImageMagick, and multiple different packing algorithms.

If you have a image link and want save it - just use this gem and type "Imagesaver.save("http://you_link.com/image.jpg")"

Rails gam for cropping images on client side

If you are using the Paperclip Gem to store your files but would also like to be able to run manipulate the images in your app, then this is the easiest Gem to get you started. You can use any of the ImageMagick (or even Graphicsmagick) methods. Find a list of image manipulation options here: htt...

An easy way to resize images using ImageMagick with Ruby.

ImageGenie - Simple Wrapper for command line ImageMagick

Provides the encoder and decoder for images in bmp format (written in C)