Image Normalizer is a cross-platform command-line batch-processing tool that resizes and compresses images, transforming each image by:

ImageOptim is described as 'Is excellent for publishing images on the web (easily shrinks images “Saved for Web” in Photoshop). It's useful for making Mac and iPhone/iPad applications smaller (if you configure Xcode to allow better optimization)' and is a popular Image Optimizer in the photos & graphics category. There are more than 100 alternatives to ImageOptim for a variety of platforms, including Windows, Web-based, Mac, Linux and Wordpress apps. The best ImageOptim alternative is ImageMagick, which is both free and Open Source. Other great apps like ImageOptim are Caesium Image Compressor, FileOptimizer, OptiImage and TinyFast.
Image Normalizer is a cross-platform command-line batch-processing tool that resizes and compresses images, transforming each image by:

With Image Optimizer you can losslessly optimize your PNG, JPEG and GIF files and thus save your bandwidth and your users' time! Kraken recompresses images with blazing speed and strips metadata with image quality intact.
Pi7 Image Tool is a collection of some online tools like Image Compressor, Image resize tool, and Image conversion tools (Image to JPG, Image to PNG, etc).



A professional photo size reducer for Mac which will reduce PNG, JPEG and GIF images size with LOSSLESS quality in a batch.




A cloud image processing platform for manipulating your images as you please. You only need one image for all devices. We handle the processing on our server.



optimus.io offers lossless compression of images available with a WordPress plugin and via API.




Curtail (previously ImCompressor) is a useful image compressor, supporting PNG and JPEG file types. It support both lossless and lossy compression modes with an option to whether keep or not metadata of images. It is inspired by .


