File compression is the method of lowering the scale of a file with out shedding any of its data. This may be performed utilizing a wide range of strategies, together with lossless compression, which preserves all the unique knowledge, and lossy compression, which removes a number of the knowledge to be able to obtain a smaller file dimension.
There are a lot of explanation why you may need to compress a file. For instance, you may need to save house in your onerous drive, make it simpler to ship a file by way of e mail, or scale back the period of time it takes to obtain a file.
