Fast image rendering – when viewing the DjVu document, pages containing images open very quickly because the graphics are rendered in advance (in cache).
Suitable for eBooks – DjVu documents are viewed in a more user-friendly way for people used to reading eBooks.Good compression – the file can contain a large number of elements (graphics, colors, fonts, patterns) and is always small in size (but with costs because there is a loss of quality of the converted images).This means that the image quality of a DjVu document is lower than that of a high-resolution PDF file. One of the consequences of this difference is that when creating a DjVu file, a maximum raster image resolution must be specified, while the resolution of the PDF vector image can be increased to any value without data loss. The main difference between DjVu and PDF is that DjVu is developed as a raster image format and PDF as a vector image format. PDF vs DjVuīoth DjVu and PDF formats define functions to create a document delivery platform. There are a number of DjVu viewers, browser plugins, encoders and decoders available on Mac and Windows.
It allows the distribution of digitized documents, photos and images at very high resolution on the Internet. The DjVu file format uses the extensions.djvu and.djv.ĭjVu was originally developed by AT&T and is used as an image compression technology, which is an open source alternative to PDF. If you have ever wondered what a DjVu file is, you have just arrived at the right place: The short answer is that it is a portable file format like Adobe PDF that is mainly used for e-books and scanned documents.
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