K2PDFOPT!

As of v1.50, k2pdfopt will also embed OCR text http://willus.com/k2pdfopt/help/ocr.shtml
into the PDF so that text can be searched and highlighted, and v1.60 can create output files with the native PDF http://willus.com/k2pdfopt/help/native.shtml
instructions from the source file (if the source file is PDF. Any kind of PDF/DJVU file (best if it has a primarily white background can be converted. K2pdfopt works especially well on two-column or multi-column PDF/DJVU files such as IEEE and other technical journal articles (see examples below--it auto-detects two-column regions on the page, but even single-column files will often be significantly improved and much easier to read (see examples. K2pdfopt has the advantage over other PDF converters in that it fully preserves the render

K2PDFOPT alternatives

  • ScanTailor

  • Scan Tailor is an interactive post-processing tool for scanned pages. It performs operations such as page splitting, deskewing, adding/removing borders, and others. You give it raw scans, and you get pages ready to be printed or assembled into a PDF or DJVU file. Scanning, optical character recognition, and assembling multi-page documents are out of scope of this project.

    tags: ocr page-splitting pdf-repair post-processing
  • BookFusion

  • A global eBook platform focused on openness that provides e-book library management for users to read and share their e-books across all devices; while also allowing schools, corporate and other organizations to easily create and deploy their own digital library to provide secure access to their content across all devices.

    tags: books calibre cloud-sync e-book-management ebook-collection