Combines individual images from a directory into a single sprite image file and creates an appropriate CSS stylesheet

An easy extension for Paperclip to crop your image uploads using jCrop

Send image/video to an airplay enabled device

DICOM is a standard widely used throughout the world to store and transfer medical image data. This library enables efficient and powerful handling of DICOM in Ruby, to the benefit of any student or professional who would like to use their favorite language to process DICOM files and communicate ...

HexaPDF is a pure Ruby library with an accompanying application for working with PDF files. In short, it allows creating new PDF files, manipulating existing PDF files, merging multiple PDF files into one, extracting meta information, text, images and files from PDF files, securing PDF files by ...

HexaPDF is a pure Ruby library with an accompanying application for working with PDF files. In short, it allows creating new PDF files, manipulating existing PDF files, merging multiple PDF files into one, extracting meta information, text, images and files from PDF files, securing PDF files by ...

ruby-vips is a binding for the libvips image processing library. It is fast and it can process large images without loading the whole image in memory.

A configurable and documented Rails view helper for adding gravatars into your Rails application.

EXIF Reader is a module to read EXIF from JPEG and TIFF images.

A command line tool to turn images into ASCII art

CarrierWave extension to crop uploaded images using Jcrop plugin.

LiveReload is a Safari/Chrome extension + a command-line tool that: 1. Applies CSS and JavaScript file changes without reloading a page. 2. Automatically reloads a page when any other file changes (html, image, server-side script, etc).

Wrapper on ffmpeg and imagemagick to convert .mov to .gif

The Ultimate Gravatar Gem! This gem is used to interface with the entire Gravatar API: it's not just for generating image URLs, but for connecting to and communicating with the XML-RPC API too! Additionally, it can be used to download the Gravatar image data itself, rather than just a URL to tha...

This gem allows you to render SVG directly into a PDF using the 'prawn' gem. Since PDF is vector-based, you'll get nice scaled graphics if you use SVG instead of an image.

Multiple worksheets can be added to a workbook and formatting can be applied to cells. Text, numbers, formulas, hyperlinks and images can be written to the cells.

Jekyll Responsive Images is a Jekyll plugin and utility for automatically resizing images. Its intended use is for sites which want to display responsive images using something like srcset or Imager.js.

Jcrop plugin for rails admin. Image cropping made easy!

An extension for Asciidoctor to convert diagrams to images using https://kroki.io

Grim is a simple gem for extracting a page from a pdf and converting it to an image as well as extract the text from the page as a string. It basically gives you an easy to use api to ghostscript, imagemagick, and pdftotext specific to this use case.