Adds retina.js assets and image helpers to your Rails app

Calculate Dhash on images

Turn an image into an X,Y tile set for use with JS mapping libraries

Use remove.bg with our official Ruby library to quickly, easily and 100% automatically remove the background from images.

Carrierwave plugin that allows create image from data uri

Collection of tools that make printing of plain text and images to one or many serial thermal printers easy. USB, serial (RS232) and TCP/IP printers are supported. Escper is useful for Ruby based Point of Sale systems that want to print receipts or tickets, but also suitable for stand-alone appli...

file upload and rmagick image resizing

Dynamic image generation for Compass using ChunkyPNG/PhantomJS.

A IIIF image server

A Paperclip mix-in to allow auto-generation of resized images

Drop-in image thumbnailing for your Rack stack.

Free Online OCR for Ruby - Convert images to text

Removes stamps and watermarks from scanned images for OCR, 'removes specks'

An RMagick-based ASCII art generator that allows custom characters, colors, ands widths. Can also detect terminal window size for responsive output. Use with code or with or in the command-line.

An extension of Prawn that improves the performance when embedding PNG images containing an alpha channel

File and Image handling

Lazybox is a jQuery-based, lightbox that can display entire remote pages, images and confirmation dialogs. Replace standard rails confirmations with lazybox just added several rows to your project. Use lazybox with rails assets pipeline.

Ruby (and Rails) Gravatar helpers with unique options like Proc's for default images, support for gravatar.com's multiple host names, ability to define reusable styles and much more...

Paperclip processor that is aware of the faces detected on the image so that they don't get cropped or aren't shown too small while generating the thumbnails

Tile images for deep-zoom.