Trimage is a cross-platform GUI and command-line interface to optimize image files via optipng, advpng and jpegoptim, depending on the filetype. All image files are losslessy compressed on the highest available compression levels.

ECT - Efficient Compression Tool is described as 'C++ file optimizer. It supports PNG, JPEG, GZIP, and ZIP files' and is a Image Optimizer in the photos & graphics category. There are more than 50 alternatives to ECT - Efficient Compression Tool for a variety of platforms, including Windows, Mac, Linux, Web-based and Wordpress apps. The best ECT - Efficient Compression Tool alternative is Caesium Image Compressor, which is both free and Open Source. Other great apps like ECT - Efficient Compression Tool are XnConvert, ImageOptim, TinyFast and FileOptimizer.
Trimage is a cross-platform GUI and command-line interface to optimize image files via optipng, advpng and jpegoptim, depending on the filetype. All image files are losslessy compressed on the highest available compression levels.

Process files locally without uploads, ensuring privacy and security. Offers unlimited conversions for various formats on any platform. Works offline, supports a broad range of file types, lets users request new formats, avoids subscriptions, and collects no data.

Minuimus is a file optimizer utility script: You point it at a file, and it makes the file smaller without compromising the file contents.
Transform your images from MB to KB effortlessly with ImageMinify! Created by a dedicated developer, this user-friendly app compresses image files while maintaining their quality, making it perfect for anyone looking to reduce file size without sacrificing clarity.




AdvanceCOMP is a collection of recompression utilities for your .ZIP archives, .PNG snapshots, .MNG video clips and .GZ files.
Reduce your image file sizes with Kingshiper Image Compressor, allowing you to easily optimize and compress your images without any quality loss.




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

PngOptimizer compresses graphics files and removes extra, unnecessary data without affecting quality. It will update PNG files or converting BMP, GIF or TGA files to the PNG format using simple drag-and-drop.



Pngcrush is an optimizer for PNG (Portable Network Graphics) files. It can be run from a commandline in an MSDOS window, or from a UNIX or LINUX commandline.



Image compression software for jpg and png. The compression features lossless as well as lossy settings with a simple and intuitive interface.

Utilities for archiving photos for saving to long term storage or serving over the web. The goals are: use a common, well supported format (JPEG), minimize storage space and cost, identify duplicates / similar photos.

TruePNG is one of the most advanced PNG optimizers available. It does the most exhaustive checks for reductions, that lets it to optimize further, even if it uses a less efficient compression algorithm than others tools.