Transloadit!

ImageMagick is a software suite to create, edit, and compose bitmap images. It can read, convert and write images in a variety of formats (about 100) including GIF, JPEG, JPEG-2000, PNG, PDF, PhotoCD, TIFF, and DPX. Use ImageMagick to translate, flip, mirror, rotate, scale, shear and transform images, adjust image colors, apply various special effects, or draw text, lines, polygons, ellipses and Bézier curves. ImageMagick is free software delivered as a ready-to-run binary distribution or as source code that you can freely use, copy, modify, and distribute. Its license is compatible with the GPL. It runs on all major operating systems. The functionality of ImageMagick is typically utilized from the command line or you can use the features from programs written in your favorite programming language. Choose from these interfaces: MagickCore (C), MagickWand (C), ChMagick (Ch), Magick++ (C++), JMagick (Java), L-Magick (Lisp), PascalMagick (Pascal), PerlMagick (Perl), MagickWand for PHP (PHP), PythonMagick (Python), RMagick (Ruby), or TclMagick (Tcl/TK). With a language interface, use ImageMagick to modify or create images automagically and dynamically. »

Uploadcare provides cloud storage, media uploading, image processing, and CDN for your website or app. Add media from your local storage, any URL, Facebook, Instagram, Dropbox, Google Drive, OneDrive, Evernote, and more. Upoadcare is highly optimized for adaptive web designs and reducing site loading times.

Gifsicle is a command-line tool for creating, editing, and getting information about GIF images and animations. Making a GIF animation with gifsicle is easy.

Filestack provides everything a developer needs when working with user content, from connecting to over 15 cloud storage services like Dropbox, Facebook, and Google Drive, to large file uploading directly to S3, to advanced conversion and post-processing functionality. All this in an world-class API with fantastic support

Audio and video encoding/transcoding software as a service. Convert videos online into web and mobile formats using our cloud encoding API.

Amazon Elastic Transcoder is media transcoding in the cloud. It is designed to be a highly scalable, easy to use and a cost effective way for developers and businesses to convert (or “transcode”) media files from their source format into versions that will playback on devices like smartphones, tablets and PCs.

Encoding.com is a reliable and scalable video encoding web service. Encoding.com allows pay as you go access to massive encoding resources in a cloud computing architecture. It is available to developers via a XML API and a web based interface.