Caesium is an application called an image compressor, which is used to reduce the file size of pictures by, according to its developers, up to 90%, as well as reducing the literal size (resolution) of the photo, without it affecting the quality of the picture. This is particularly important for websites that are media-heavy, such as Facebook, in that photos with smaller file sizes can be quickly uploaded and shared; Caesium is also used by other sites, for example blogs or e-commerce shops, in order to scale their pictures down without loss of visual quality, resulting in faster load times and minimal waiting.
Aside from this, the primary use of Caesium is compressing images on a hard drive for space considerations (especially the raw, high-res images from digital cameras, which tend to have great file sizes). Caesium does not use any other add-on or software installation to perform its functions. It also has several other features in its disposal, such as batch processing (compression by group), an instant preview so users can see the difference in a compressed image and the original, multiple languages, EXIF viewer, and an auto-update function. Caesium is also free.
File.org aims to be the go-to resource for file type- and related software information. We spend countless hours researching various file formats and software that can open, convert, create or otherwise work with those files.
If you have additional information about which types of files Caesium can process, please do get in touch - we would love hearing from you.
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