Sumatra also displays several file types other than PDF, This is my plug for Krzysztof Kowalczyk's Sumatra PDF reader: a small, efficient, yet feature-rich open-source PDF reader that does everything I want. RECOMMENDED WINDOWS PDF/E-BOOK READER: SUMATRA MORE EXAMPLES (click on images to get PDF file) If you have a Kindle 2, it must have the latest firmware that allows it to the first-gen kindle) cannot read PDF files. See my k2pdfopt help page for more detailed help. Single PDF as if they were pages of a PDF file (page ordering will be alphabetical by You can even drop a folder full of bitmap images to have them converted into a You can also drop a folder full of PDF/DJVU files onto the k2pdfopt icon to batch The output fileĪnd other mobile readers with 6-inch screens (if the settings are not customized). Or Press to convert the file using the default settings.Įnd of the name will be created. Prompted for conversion options (as of v1.16). Just drag and drop your PDF/DJVU file icon onto the k2pdfopt icon to convert it. (Mac/Linux users please see the mac install notes or linux install notes). No install is required and no extra files or packages are necessary to run k2pdfopt Of language or fonts, it will work equally well on documents in any language. Also, because k2pdfopt is completely independent That convert the PDF to an e-book format. The rendered PDF fonts and graphics from the original file, unlike programs K2pdfopt has the advantage over other PDF converters in that it fully preserves Often be significantly improved and much easier to read (see examples). Regions on the page), but even single-column files will IEEE and other technical journal articles (see examples below-it auto-detects two-column K2pdfopt works especially well on two-column or multi-column PDF/DJVU files such as Output files with the native PDF instructions from the source fileĪny kind of PDF/DJVU file (best if it has a primarily white background) can be converted. Into the PDF so that text can be searched and highlighted, and v1.60 can create You can see another example of how k2pdfopt works onĪs of v1.50, k2pdfopt will also embed OCR text Making use of this method, k2pdfopt can re-flow text lines, even on scanned documents Into multiple smaller pages without excess margins so that the viewing region is maximized. Scanning the bitmap for viewable areas (rectangular regions) and cutting and cropping K2pdfopt works by converting each page of the PDF/DJVU file to a bitmap and then It is fully automated and can batch-process PDF/DJVU files. Graphics or figures, and it works equally well on native and/or scanned or bitmapped PDF or DJVUįiles. K2pdfopt is meant for text-based files on a white background which may also have 6-inch) mobile reader and smartphone screens such as the K2pdfopt (Kindle 2 PDF Optimizer) is a stand-alone program which optimizesįor viewing on small (e.g. Version is also compiled with the latest gcc compiler, v12.2. Libraries-notably Tesseract v5.3.0 which improves the OCR speed. There is no update to the k2pdfopt source code in this release-only to the The download page for some time was not correctly showingĪ link to the Win64 v2.54 version. Gcc v12 / k2pdfopt benchmark and an updated I've added to my blog some benchmarking / testing that I did when I guess the Mac download using the Safari web browser has not been workingįor a while. I've posted an updated performance benchmark on my blog page. See details in the k2pdfopt version history. ![]() There is one bug fix (bookmarks work again). This version is compiled on the latest OS's with the latest C compilers and I am using it regularly." - December 7, 2014 I am mightily impressed and would like to thank you very much for making it available. "Recently I found k2pdf to optimize pdfs for viewing on tablets or ereaders. "Thank you so much for coding the program k2pdfopt, it is a real life saver! Keep it up, and continue uploading your wonderful and extremely useful code poetry! Thanks again :)" - September 1, 2021 Unsolicited comments from k2pdfopt users (refresh the page to change the comments): Here's a quick example of what k2pdfopt can do (click on the images below to get the PDF files): My most recommended solution for this on my PDF Conversion Tips page. Want to convert your PDF to an e-book format like epub or mobi, you might want to check Note to MS Word users: While I still suggest you try out k2pdfopt, if you truly There areĭownloads for MS Windows, Mac OSX, and Linux. ![]() It can generate native or bitmapped PDF output, with an optional OCR layer. It can also be used as a general PDF copying/cropping/re-sizing/OCR-ing manipulation tool. It works well on multi-column PDF/DJVU files and can re-flow text even on scanned PDF files. K2pdfopt optimizes PDF/DJVU files for mobile e-readers ( e.g.
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