Image files can be quite large, and larger file types mean more disk usage and slower downloads. The solution for the huge amount of disk space that bitmap graphic files consume is to compress the data. Graphic file formats differ in compression techniques. Lossless techniques compress the file without removing image detail or color information; lossy techniques remove details. Lossless compression is used when it is important that the original and the decompressed data be identical. Lossy methods provide high degrees of compression and result in very small compressed files, but there is a certain amount of loss when they are restored. ImageConverter Plus supports lossy and lossless compression and their variations for different image formats. Some image formats, like PNG, use only lossless compression, while others like TIFF and MNG may use either lossless or lossy methods. TIFF is used almost exclusively as a lossless image format without any compression at all, and consequently, the file size is too large. Sometimes a lossless compression algorithm LZW is used though. GIF is lossless only for images with 256 colors or less. For a rich, true color images, GIF may lose 99.9% of the colors. JPEG can achieve astounding compression ratios even while maintaining very high image quality. When working with ImageConverter Plus most preferred compression methods are already set up by default. For our experienced users we advise to check on more advanced options, where they can choose more variations of compression methods depending on their preferences.
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