Platforms
- Mac
- Windows
- Linux
Apps similar to FileOptimizer include Caesium Image Compressor, which is free and open source. Other options are ImageOptim, Dinky, OptiImage and TinyFast. There's no shortage of Image Optimizers like FileOptimizer, with more than 50 alternatives for Windows, Mac, Linux, the web and Android.
C++ file optimizer. It supports PNG, JPEG, GZIP, and ZIP files.
A simple software to multiple compress files and folders. ArcThemAll provides compression and extraction of batches of multiple folders or files with simple drag&drop loading. It includes an intelligent UPX compression mode, the support to self-extracting archives creation...


Oxipng is a multithreaded lossless PNG compression optimizer in Rust. It can be used via a command-line interface or as a library in other Rust programs.
MAZANOKE is a simple image compressor and converter that runs entirely in your browser. No external uploads, works offline as a web app, and is powered by Browser Image Compression.




Leanify is a lightweight lossless file minifier/optimizer. It removes unnecessary data (debug information, comments, metadata, etc.) and recompress the file to reduce file size. It will not reduce image quality at all.
Shrinks images and documents losslessly by optimizing existing compression. Run it comfortably in the background to save hard disk space and bandwidth.

From developers to developers: a cross-platform tool for losslessly image compression.

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.

AppCompactor allows you to easily compress applications to decrease size on disk and increase performance when running from slow media, like flash drives. It's packaged as a portable app, so you can work with your apps anywhere.

Experimental, fast Web PNG/JPG optimizer which offer lossless, visually lossless or lossy compression. it performs image reductions over iterations thanks to recursive multi-processing and multithreading systems.
