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.




OptiPNG is described as 'Command-line PNG optimizer that recompresses image files to a smaller size, without losing any information. This program also converts external formats (BMP, GIF, PNM and TIFF) to optimized PNG, and performs PNG integrity checks and corrections' and is a Image Optimizer in the os & utilities category. There are more than 50 alternatives to OptiPNG for a variety of platforms, including Windows, Mac, Linux, Web-based and SaaS apps. The best OptiPNG alternative is Dinky, which is both free and Open Source. Other great apps like OptiPNG are ImageOptim, TinyFast, OptiImage and RasterFox.
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.




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.
pngquant is a command-line utility and a library for lossy compression of PNG images.
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.

iLoveIMG is an online service to work with images completely free and easy to use. Compress images, resize, crop, convert and much more!.

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 .


Minuimus is a file optimizer utility script: You point it at a file, and it makes the file smaller without compromising the file contents.
AdvanceCOMP is a collection of recompression utilities for your .ZIP archives, .PNG snapshots, .MNG video clips and .GZ files.
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.





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.



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.


