JPEG format most common image format used to in digital cameras by Photographers, not only these images of high quality but at the same time their file sizes are large when compared to BMP or PNG image formats, so compressing these images not only earns you drive space but also they can be easily uploaded on blogs by webmasters or users on social sites like Google+, Twitter, Flickr or Facebook, meet Caesium freeware image compressor reduces the size of images up to 90% but at the same time preserves their original quality. This tool allows to set different compression ratio for each image.
After installing on your computer run it, user interface offers the options to add pictures, click +Add button to add images in folder, you can also drag n drop images onto the interface. Click preview button to view compressed image dimensions without even compressing the image.
You can’t adjust the order of images in list, but you can remove image from list and also from hard drive directly from this app. Specify the output folder. Set quality for each image to compress or check same quality for all to reduce all images to specified quality for e.g 80% set by default for every image.
Select the output format from JPG, PNG and BMP when all set, click Compress button for the program do the rest. Program shows dialog box with number of files compressed, skipped, number of errors, time elapsed for compression and space you saved.
Original date and EXIF data of images are kept even after compression, you can set the program to delete the original image to avoid the duplication from its preferences which you can open from Tools>Settings.
With the naked eye you may not catch the difference between original and image compressed up to 90% with Caesium.
Caesium works on Windows XP/Vista/7, portable and installer versions are available.