JPEG is an image file format that’s been around since the early 1990s, and it uses lossy compression. 45% of the images seen on sites crawled by HTTP Archive are JPEGs. According to the HTTP Archive, 60% of the data transferred to fetch a web page is images composed of JPEGs, PNGs and GIFs. They are the most popular resource type on the web. Images take up massive amounts of internet bandwidth because they often have large file sizes. Lossy compression techniques are used in all DVDs, Blu-ray discs, and most multimedia available on the internet. The fact that information is lost during compression will often be unnoticeable to most users. Lossy compression is typically used to compress video, audio and images, as well as internet telephony. When the file is uncompressed, not all of the original information will be recovered. Lossy compression is a data encoding method which reduces a file by discarding certain information. Besides reducing transmission bandwidth, compression increases the amount of information that can be stored on a hard disk drive or other storage device. Compressing data can be very useful particularly in the field of communications as it enables devices to transmit or store data in fewer bits. Recommended to anyone looking to reduce file-size but not compromise on quality.Data compression is the process of storing data in a format that uses less space than the original representation would use. Image Compressor is a useful tool to have and it includes some impressive features. It's a shame though that the application doesn't provide an option to share the 3D presentation and if you simply copy and move or send the files, it doesn't work. I particularly liked the 3D web photo-album which creates a cool 3D scrolling effect for a selection of images (the rendering is better with no more than about 30 files). The program also includes other features, like one to retouch photos with some Photoshop-style filters or the one that compares the technical properties of two images. With our test the file-size reduction from a standard JPEG was between 20% and 45%.Īfter zooming in on the compressed image, we noticed that the quality was basically identical to its original. Image Compressor reduces the size of JPEG file (which is already a compressed format) by analysing every pixel in the image.
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