K2PDFOPT and PDFR K2pdfopt, a PDF/DJVU optimizer...

K2PDFOPT and PDFR K2pdfopt, a PDF/DJVU optimizer for mobile e-readers such as the Kindle, now has its own page (as of 9-18-11) with an easier-to-remember URL (willus.com/k2pdfopt). pdfr.exe (Win32, 4.57 MiB) 10-25-2011 Win32 | Win64 Version History Pdfr (PDF Re-scan) saves a new version of your PDF (or DJVU) file where the pages are re-scanned to bitmaps and then assembled back into a PDF file (with _r appended to the name). You can use it to reduce the size of scanned bitmaps and/or pull certain pages, sharpen them, adjust the gamma value, or convert to grayscale. This has the side benefit that it removes all dependence on fonts, so that you can be sure your PDF document will be readable on anybody's PDF reader. It runs just like k2pdfopt. Because the output is always PDF, pdfr can also act as a DJVU to PDF converter. If you need a DJVU reader for Windows, try Krzysztof Kowalczyk's excellent Sumatra PDF Reader. Or to convert DJVU pages to a bitmap you can use Irfan Skiljan's IrfanView.