A simple wrapper around the ImageMagick command line to check if an image is valid.

This gem will generate random image of specified size.This is useful in DEV and QA when actual images are not ready.

A wrapper around ImageMagick's identify command

ImageCollage creates a collage based on images from Flickr.

The Seadragon Gem provides everything you need to create and host your own Deep Zoom Images using the OpenSeadragon image viewer. It provides methods for generating descriptor files and tiles from an image and comes bundled with the required OpenSeadragon Javascript and assets for displaying view...

WebP Image Generator for Bridgetown sites that automatically generate WebP images for all images on your static site and serves them when possible. Includes the v0.6.1 version of the WebP utilities for Windows, Linux and Mac OS X 10.9 (Mountain Lion)

An easy ruby encapsulation for image processing. All functions are based on ImageMagick.

A library for handling image files

Image resizing gem (requires ImageMagick)

A camo server is a special type of image proxy that proxies non-secure images over SSL/TLS, in order to prevent mixed content warnings on secure pages. The server works in conjunction with back-end code that rewrites image URLs and signs them with an HMAC.

Given a list of image page urls of Hubble website,outputs a list of download urls for original images.

Vanillicons are a small generated avatar made by vanillaforums.org, they use a md5 hash as the image key. Images can be generated on the site at vanillicon.com. The images come in 3 different sizes; 50px, 100px and 200px.

generate a perceptual hash of any image using ImageMagick and a very simple algorithm

Draw dots on maps by lat/lon or zip code. Includes a library of 30 map backgrounds, and associated geocoding configuration data, and a table of US zip codes with their approximate centroids as latitude and longitude. Exposes the ImageMagick image and coordinate conversions so that overlaying labe...

center_image_tag helps your Rails app to center your images easily with pure css.

# Sangoro A Ruby program to change the exif creation time stamp of JPEGs or PNGs.<br> # Installation To use the Sangoro tool you require: <ul> <li> <a href="https://www.ruby-lang.org/en/downloads/"><code>ruby</code></a> (v>=2.3.3) </ul> as well as the following Ruby gems: <ul> <li><code>f...

A command line application that recursively reads all of the images from the supplied directory of images, extracts their EXIF GPS data (longitude and latitude), and then writes the name of that image and any GPS co-ordinates it finds to a CSV file. Results are written to a file...

Lossless optimization of the uploaded images using image_optim (make sure to install all binary dependecies of image_optim)

With this gem you can crop and resize images directly in Alchemy Library and create a new verison of image

Mitty is a CLI that allows you to painlessly process and resize images (using ImageMagick via RMagick) and upload them to an AWS S3 bucket of your choosing. Mitty currently can generate thumbnails as well as both high...