File Juicer is described as 'Extract images from PDF, PowerPoint, Word, Excel and other files. For Mac OS X 10.5 Leopard' and is an app in the Security & Privacy category. There are six alternatives to File Juicer for Windows, Linux, Online / Web-based, Google Chrome and Mac. The best alternative is Foremost, which is both free and Open Source. Other great apps like File Juicer are Toolsley Binary Inspector (Free), Scalpel (Free, Open Source), MultiExtractor (Paid) and Scalpel 2.0 (Free, Open Source).
Foremost is a console program to recover files based on their headers, footers, and internal data structures. This process is commonly referred to as data carving. Foremost can work on image files, such as those generated by dd, Safeback, Encase, etc, or directly on a drive.
Scalpel is an open source data carving tool. Scalpel is a file carving and indexing application that runs on Linux and Windows. The first version of Scalpel, released in 2005, was based on Foremost 0.69.
MultiExtractor allows users to 'look' into files and folders, explore and extract hidden elements, such as images, audio, video, icons, and textures, all from within a minimalistic and easy-to-use interface.