: What are lossless image formats? What are lossless image formats?

@Nimeshi706

PNG24 is the only format you will find that has working transparencies that can lay on-top of CSS animations. Better to learn the easy way then the hard ways with GIF and PNG 8.

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@Shelley591

JPEG 2000 is an excellent lossless image format, at least, it can be configured as such. It's particularly useful for large files, as it allows for zooming in on a particular portion of an image without loading the entire image.

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@Merenda852

Some compression-algorithms change the image to gain a better compression-ration - that are lossy algorithms/image formats. Most notably here is JPEG. Some keep all image information, these are called lossless. Lossless compression produces bigger files, but you have no changes to your graphic. Common lossless image formats are PNG, GIF or TIFF. As most of the time you can learn more from Wikipedia.

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