Fleximage is a Rails plugin that tries to make image uploading and rendering super easy.

Ruby gem to inspect completely a web page. It scrapes a given URL, and returns you its meta, links, images and more.

Use simple_form (>= v2.0) custom inputs to get image previews or a link to uploaded file. Save time and code when you need useful file uploads.

Generate waveform images from audio files. Includes a Waveform class for generating waveforms in your code as well as a simple command-line program called 'waveform' for generating on the command line.

css_sprite is a rails plugin/gem to generate css sprite image automatically.

CarrierWave extension to crop uploaded images using Jcrop plugin.

A command line tool to turn images into ASCII art

Thin ImageMagick DSL with smart command composition

Generate meme images using http://memegenerator.net! Save yourself some time!

Making HTML emails a little less painful. Writes css inline and corrects image urls.

Construct screencasts in Ruby! Write your script, declare your timeline, mix your audio, and render your video in an easily-edited, easily-repeated DSL. (Depends on ImageMagick, Sox, and FFMPEG for the heavy-lifting.)

Extract tables from PDF as a structured info. Uses ghostscript to print pdf to image, then recognizes table separators optically. No OpenCV or other heavy dependencies

Load CSS and JS faster. Minifies, bundles, and optimizes CSS/JS assets ahead of time (e.g., on deploy), not at runtime. Loads popular third-party JS (like jQuery, YUI, and Dojo) from localhost in development, and auto-switches to Google's CDN in production. Lets you switch on LABjs mode to load m...

A decent way to change your desktop image

Use GrabzIt to convert HTML or URL's into images, PDF, videos, rendered HTML or DOCX. These captures have highly customizable options include altering quality, delay, size, browser type, geographic location and much more. Additionally GrabzIt can even convert HTML tables on the web into a CSV or ...

Don't use it directly, take a look at eyes_selenium or eyes_images gems instead.

Jcrop plugin for rails admin. Image cropping made easy!

Embed an SVG illustrations by unDraw https://undraw.co/illustrations into your rails app. Take advantage of the on-the-fly color image generation to match your brand identity.

Docsplit is a command-line utility and Ruby library for splitting apart documents into their component parts: searchable UTF-8 plain text, page images or thumbnails in any format, PDFs, single pages, and document metadata (title, author, number of pages...)

Allows you to create magic PNG images that display differently in the browser than in thumbnails.