Bagas31: K2pdfopt is a program for optimizing PDF and DJVU files for mobile e-readers (such as Kindle) and smartphones. It allows you to convert PDF and DJVU files into a format that is better suited for reading on small screens. It works well with multi-column PDF and DJVU files and can reformat text even on scanned PDF files. K2pdfopt is open source software and can be used on Windows, Linux and MacOS X.
With K2pdfopt you can easily optimize PDF and DJVU files for your device. The program works like this: it converts each page of a PDF or DJVU file into a raster image, then scans the image for text, graphics or shapes, then splits the image into regions containing text or graphics, then reformats the regions to fit your screen size device, then merges the regions into a new PDF or DJVU file. You can get both native and bitmap PDF output, with an optional OCR layer.
Download for free K2pdfopt 2.53
Password for all archives: 1progs
K2pdfopt has many settings and parameters that allow you to control the optimization process. You can specify your device’s screen size, image quality, text font, background color, scaling, rotation, cropping, pagination, OCR language and much more. You can also use preset profiles for different devices such as Kindle, Nook, Kobo, Sony, iPhone, etc. You can view optimization results in preview mode or save them to a file.
The K2pdfopt program has a number of advantages over other similar products. Firstly, it can work with any PDF and DJVU files, including scanned and protected ones. Secondly, it can reformat text so that it is readable on small screens, even if it is located in several columns or has a complex structure. Thirdly, it can add an OCR layer to PDF files, which allows you to search by text and copy it. Fourthly, it can work in batch mode and process several files simultaneously.
K2pdfopt also has some disadvantages or limitations that you need to consider when using it. Firstly, it takes up a lot of computer resources and can run for a long time on large or complex files. Second, it may not be able to handle certain types of graphics or shapes that may be damaged or distorted during optimization. Thirdly, it may not support some languages or fonts for OCR, so you need to check the quality of text recognition.
In order to download and install the K2pdfopt program on a computer or flash drive, you need to follow the following steps. First, you need to download the archive with the program from the website. Secondly, you need to unpack the archive into any folder on your computer or flash drive. Third, you need to run the k2pdfopt.exe program (for Windows) or k2pdfopt (for Linux or MacOS X). Fourthly, you need to select PDF or DJVU files for optimization and specify the necessary settings and parameters. Fifthly, you need to click the Convert All Files button and wait for the process to complete.
K2pdfopt is an excellent choice for those who want to optimize PDF and DJVU files for mobile e-readers and smartphones. It allows you to convert PDF and DJVU files into a format that is better suited for reading on small screens. It works well with multi-column PDF and DJVU files and can reformat text even on scanned PDF files. It has many settings and parameters that allow you to control the optimization process. It has a number of advantages and disadvantages that need to be taken into account when using it.
