PrepLit Searchable PDF is a PDF search tool or PDF search engine for searchable PDF files collection with extraordinary search options designed for article review. (PrepLit -- Searchable PDF falls in PDF Search Tool, PDF Search Engine, and Article Review Software category.) It provides special search options, full result management and exporting capability. Literature survey is a critical process. Regular PDF search programs do not have the essential features to streamline the process. The program incorporates features designed to enable the completion and easy survey of PDFs.