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Eight best online image optimizer tools tested and compared Compression ToolJPG Image file compression (Original file size - 238 KB )Percentage reduction in JPG FileJPEG.io81.51 KB65%ImageRecycle118.88 KB48.97%Compressor.io122.12 KB49%Ezgif119.26 KB48.81%4 more rows • Jul 6, 2022
An image optimizer is a service, product, or library that makes image files smaller. Typically, an image optimizer will reduce the file size of an image by compressing and resizing it, ideally without compromising the quality of the image too much.
OptiPNG is a lossless compression tool for PNG images. It can also convert non-PNG files (BMP, GIF, PNM and TIFF) into compressed PNG files. Jpegoptim is a tool used to optimize JPEG files. It provides lossless optimization (based on Huffman Table) and lossy optimization implemented by quality factors.
ImageOptim makes images load faster Removes bloated metadata. Saves disk space & bandwidth by compressing images without losing quality.
ImageOptim is a powerful image lossless compression tool software that provides "lossless" compression services for PNG images, reducing file size by 60%-90%. The compressed image may be only 1/8 of the original size, but the quality is flawless.
Reduce an image's file size In the Preview app on your Mac, open the file you want to change. Choose Tools > Adjust Size, then select Resample image. Enter a smaller value in the Resolution field. The new size is shown at the bottom.
If checked, ImageOptim will try to optimize JPEG files. If set to 100%, optimization will be lossless. Anything below 100% will cause lower quality of files if they appear to have been saved with higher quality setting.