How to use k2pdfopt on Ubuntu 13.10 ( optimize PDF for e-reader devices )

In short, k2pdfopt allow you to optimize PDF for e-reader devices, such as Amazon kindle, Rakuten readers, Sony readers etc.

download k2pdfopt from http://www.willus.com/k2pdfopt/

root@ubuntu:/home/hattori# file k2pdfopt k2pdfopt: ELF 64-bit LSB executable, x86-64, version 1 (GNU/Linux), statically linked, stripped root@ubuntu:/home/hattori# chmod u+x k2pdfopt

Here are procedures to optmize PDF for Amazon Kindle paperwhite.

./k2pdfopt name.pdf

enter d ( device selection )

enter 3 ( kindle paper white )

enter ( do the optimization for kindle paper )

root@ubuntu:/home/hattori# ./k2pdfopt /home/hattori/PDF_docs/foobar.pdf k2pdfopt v2.10 (w/MuPDF,DjVuLibre,OCR) (c) 2013, GPLv3, http://willus.com    Compiled Nov 23 2013 with Gnu C v4.7.2 for Linux on x64. a. Autostraighten (-as)                 n. Native PDF output (-n) b. Bitmap type (-jpg,-png,-bpc)         o. Output name (-o) bp. Break pages (-bp,-f2p)              oc. OCR (-ocr,-ocrvis,...) c. Color/Negative output (-c, -neg)    om. Output margins (-om) co. Column detection (-col,-ch,...)      p. Page range (-p) cs. Contrast/Sharpen (-cmax,-g,-s,-wt)  pd. Padding/Marking (-p[lrbt],-mc) d. Device selection (-dev,-h,-w,-dpi)   r. Right-to-left page scans (-r) ds. Document scale factor (-ds)         rt. Rotate source page (-sr) f. Fit to single column (-fc)           s. Special (-de,-evl,-gs) gt. Gap thresholds (-gt...)             sm. Show marked source (-sm) j. Justification (-j)                   u. Usage (command line opts) l. Landscape mode (-ls)                 v. Vertical spacing (-vb,-vs) m. Margin to ignore (-m)                w. Wrap/Reflow text (-wrap,-ws) mo. Mode (-mode)                         x. Exit on completion (-x) Selected options:  /home/hattori/PDF_docs/foobar.pdf Enter option above (h=help, q=quit): d Select your e-reader type:     1. Kindle 1-5 (k2)     2. Kindle DX (dx)     3. Kindle Paperwhite (kpw)     4. Nook Simple Touch (nookst)     5. Kobo Touch (kbt)     6. Kobo Glo (kbg)     7. Other (specify width, height, etc.) Enter selection [1]: 3 a. Autostraighten (-as)                 n. Native PDF output (-n) b. Bitmap type (-jpg,-png,-bpc)         o. Output name (-o) bp. Break pages (-bp,-f2p)              oc. OCR (-ocr,-ocrvis,...) c. Color/Negative output (-c, -neg)    om. Output margins (-om) co. Column detection (-col,-ch,...)      p. Page range (-p) cs. Contrast/Sharpen (-cmax,-g,-s,-wt)  pd. Padding/Marking (-p[lrbt],-mc) d. Device selection (-dev,-h,-w,-dpi)   r. Right-to-left page scans (-r) ds. Document scale factor (-ds)         rt. Rotate source page (-sr) f. Fit to single column (-fc)           s. Special (-de,-evl,-gs) gt. Gap thresholds (-gt...)             sm. Show marked source (-sm) j. Justification (-j)                   u. Usage (command line opts) l. Landscape mode (-ls)                 v. Vertical spacing (-vb,-vs) m. Margin to ignore (-m)                w. Wrap/Reflow text (-wrap,-ws) mo. Mode (-mode)                         x. Exit on completion (-x) Selected options:  /home/hattori/PDF_docs/foobar.pdf -dev    kpw Enter option above (h=help, q=quit):  ( <- click Enter key ) Reading 451 pages from /home/hattori/PDF_docs/foobar.pdf ... Detecting document orientation ... No rotation necessary. SOURCE PAGE 1 of 451 (8.3 x 11.7 in) ... 0 new pages saved. SOURCE PAGE 2 of 451 (8.3 x 11.7 in) ... 4 new pages saved. SOURCE PAGE 3 of 451 (8.3 x 11.7 in) ... 3 new pages saved. 1636 pages (116990 words) written to /home/hattori/PDF_docs/foobar.pdf_k2opt.pdf (62.4 MB). Press <ENTER> to exit. root@ubuntu:/home/hattori#

The PDF file being optmized for kindle paperwhite will be saved under the same directory where the original PDF is.

# ls /home/hattori/PDF_docs/foobar.pdf* /home/hattori/PDF_docs/foobar.pdf /home/hattori/PDF_docs/foobar.pdf_k2opt.pdf

To manage Kindle devices on Ubuntu box, install cablire via apt-get.

# sudo apt-get install calibre