Alchemy file converter is described as 'Alchemy lets you convert and merge images with ease through an intuitive, drag and drop interface. On Mac, it's easily accessed through the Mac menubar' and is an app in the Photos & Graphics category. There are five alternatives to Alchemy file converter for a variety of platforms, including Windows, Mac, Linux, Android and iPhone. The best alternative is ImageMagick, which is both free and Open Source. Other great apps like Alchemy file converter are XnConvert (Free Personal), Filestar (Free Personal), ImBatch (Free Personal) and BIMP (Free, Open Source).
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.
XnConvert is an easy image converter for graphic files, photos and images available on Windows, MacOSX and Linux. It supports more than 400 file formats (jpeg, tiff, png, gif, camera raw, jpeg2000, WebP, OpenEXR, ...).
With Filestar you can "do anything with any file". Get rid of repetitive tasks, save time and boost your productivity with over 30.000 file conversions available. Transform or convert hundreds of files, all at the same time with a few simple clicks.
ImBatch is a batch image processor with a nice graphical user interface. It will allow you to edit multiple image files at the click of a button by using scripts. The script will be created by combining Tasks.