Conversion of original_epub files to pdf file format

Considering .original_epub files are just renamed .epub files, you can work with them in any tool ebook tool that supports EPUB format. You will just need to rename the extension back to the original and export it as PDF documents. Some tools may recognize ePub ebooks regardless of their extension, so you won't even need to rename the suffix.

Open ORIGINAL_EPUB file    Open PDF file

Related software

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Calibre

A free e-book library management application

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Calibre for Linux

Linux version of the popular ebook manager

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Calibre for Mac

A free open source ebook creator, converter and viewer