Another designer’s favorite lossless image compression tool – ImageOptim

The designer’s favorite online lossless image compression tool, besides TinyPNG, has some relatively practical batch compression optimization tools, such as JPGmini, Punypng and PNGmini.

It is well known that the lossless image compression on mobile APP is becoming more and more important today. Because the smaller the better the pictures are loaded on the mobile end, the quality of the picture should be kept clear.

Today, the 25 school continues to share with you the recommendation of a UI designer, APP designer, operation designer, and even front-end engineer’s favorite lossless image compression tool: ImageOptim.

It’s a pity that it only supports the use of MAC computers at present. The designer on window is waiting for it


ImageOptim support PNG/JPEG/GIF animation, is the essence of all kinds of image graphical front-end optimization tools: AdvPNG, OptiPNG, Pngcrush, JpegOptim, jpegtran, Gifsicle and PNGOUT material.


There are 2 reasons for the recommendation of the 25 School:

1, ImageOptim software is very small! 2.6M

2, the ImageOptim operation is very, very fast! It is particularly suitable for batch processing of picture resources, such as a full set of icon. This is the most practical APP Chetumal lossless image compression artifact.


In addition, if you want to APP that @2x batch compression @3x image resources, the method is very simple! Select drag to the compression interface on the line!



The lossless image compression tool – the highest compression rate of ImageOptim can reach about 40%. It can be said to be the best picture compression tool for APP designers and mobile front-end engineers.

Designer’s favorite lossless image compression tool ImageOptim download address:



Official website:


If window operation system wants to use such excellent lossless picture compression tool, the 25 school also recommends that you download the image compression Image Optimizer.

Image Optimizer is the best in the image optimization tool. It is a software produced by the same company with JPEG Optimizer. The latter is for JPEG format images, while Image Optimizer can compress JPG, GIF, PNG, BMP, TIF and other image files, and has a wider application.

Software downloads can be downloaded by Baidu search.

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