![]() ![]() Like PDF, DjVu can contain an OCR text layer, making it easy to perform copy and paste and text search operations.įree creators, manipulators, converters, Web browser plug-ins, and desktop viewers are available. The DjVu developers report that color magazine pages compress to 40–70 kB, black-and-white technical papers compress to 15–40 kB, and ancient manuscripts compress to around 100 kB a satisfactory JPEG image typically requires 500 kB. ![]() This allows high-quality, readable images to be stored in a minimum of space, so that they can be made available on the web.ĭjVu has been promoted as providing smaller files than PDF for most scanned documents. It uses technologies such as image layer separation of text and background/images, progressive loading, arithmetic coding, and lossy compression for bitonal ( monochrome) images. DjVu ( / ˌ d eɪ ʒ ɑː ˈ v uː/ DAY-zhah- VOO, like French " déjà vu" ) 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. ![]()
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