Apps similar to ImageOptim include ImageMagick, which is free and open source. Other options are Caesium Image Compressor, Dinky, FileOptimizer and OptiImage. Image Optimizers like ImageOptim are a crowded field, with more than 100 alternatives for Windows, the web, Mac, Linux and Android.
Mass Image Compressor is easy to use - a point and shoot batch image compressor and converter tool for Web site optimization, photographers, HTML game creator and casual Windows users.
Compress.Studio is a serverless image compression tool with decentralized storage. Open/Add any .jpeg, .jpg or .png image. By default, it compresses your image to the best size and quality. Select your preferred size to compress the image. Login with .
CloudPresso Image Compressor, part of the CloudPresso File Compressor Suite, enables users to compress JPEG, JPG, PNG & GIF files free online.
United States
jStrip is a free tool to reduce the file size of JPEG images without sacrificing image quality. High-traffic websites with many JPEG images can benefit from decreased bandwidth costs. Less hard disk space will be used by image collectors.
SmallImage is a simple and efficient tool to batch process JPEG files, resize them, recompress them, remove embedded profiles and make them ready for the web or store them efficiently.
Switzerland
Squeezer is a PNG optimizer for Mac OSX that recompresses image files to a smaller size, without losing any information.
Switzerland
Minuimus is a file optimizer utility script: You point it at a file, and it makes the file smaller without compromising the file contents.
Edit one or several images in a few clics. Massive downscale, resize or crop a collection of images quickly.
France
EU
A powerful photo resizer and optimizer for Mac, allows you to optimize all your photos by 80% ~ 20% comparing to their originals while keeping their original resolution, quality.
China
IMAGEmini, a powerful photo resizer and optimizer, allows you to optimize all your photos by 80% ~ 20% comparing to their originals while keeping their original resolution, quality and png, jpg, gif formats.
China
Optimole is your all-in-one image optimization solution for WordPress & beyond, it processes your images in real time and is fully cloud-based (doesn’t strain your server).
