PDF Fast is a perfect reader designed for professionals. It is optimized for their works and study.You can read a book with 1Gb size on an old smartphone..The reader will not only give you excellent reading experience but also the comfortable feeling.PDF Fast is very smart and smooth, you will rarely face a bug.

PDF Fast presents all basic functions including selecting text, copying, highlighting, underlining, searching… All functions are very friendly and easy-to-use. The book format is similar to the print book, it maintains all structures and objects of the original book