But there is a simple alternative to the PDF file format: DjVu files that use advanced compression algorithms behave very much like their more popular big brother PDF, but convince with reduced file size. It is a known issue that PDF files containing many images can become horribly large. By using HTML5, publications can contain video, audio, and interactivity, just like websites in web browsers.Īdobe InDesign, calibre, LaTeX, Genebook, epubcheck.Shrink your large PDF files by converting them to DjVu An EPUB file is a ZIP archive that contains, in effect, a website-including HTML files, images, CSS style sheets, and other assets.
This allows for high-quality, readable images to be stored in a minimum of space, so that they can be made available on the web.ĮPUB is the most widely supported vendor-independent XML-based (as opposed to PDF) e-book format. The term is short for electronic publication and is sometimes styled ePub.ĭjVu uses technologies such as image layer separation of text and background/images, progressive loading, arithmetic coding, and lossy compression for bitonal (monochrome) images. It is a free and open standard published by the International Digital Publishing Forum (IDPF). epub that can be downloaded and read on devices like smartphones, tablets, computers, or e-readers.
Сравнение форматов DJVU и EPUBĭjVu is a computer file format designed primarily to store scanned documents, especially those containing a combination of text, line drawings, indexed color images, and photographs.ĮPUB is an e-book file format with the extension.
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