OptiPNG is a 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.
Optimizt Alternatives
Optimizt is described as 'CLI tool that helps you prepare images during frontend development' and is a Image Optimizer in the photos & graphics category. There are more than 50 alternatives to Optimizt for a variety of platforms, including Windows, Mac, Web-based, Linux and Wordpress apps. The best Optimizt alternative is ImageMagick, which is both free and Open Source. Other great apps like Optimizt are Caesium Image Compressor, ImageOptim, TinyFast and FileOptimizer.
Alternatives list
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.


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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.
GraphicsMagick is the swiss army knife of image processing. Comprised of 282K physical lines (according to David A. Wheelers SLOCCount) of source code in the base package (or 952K including 3rd party libraries) it provides a robust and efficient collection of tools and libraries...



- 50 Gifsicle alternatives
Gifsicle manipulates GIF image files. Depending on command line options, it can merge several GIFs into a GIF animation; explode an animation into its component frames; change individual frames in an animation; turn interlacing on and off; add transparency; add delays...
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.

Unlock the true potential of your Webflow sites with Optily - the ultimate time-saving solution that effortlessly optimizes your CMS images, boosting performance.



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 .


- 84 JPEGmini alternatives
JPEGmini is a patent-pending photo recompression technology, which significantly reduces the size of photographs without affecting their perceptual quality. The technology works in the domain of baseline JPEG, resulting in files that are fully compatible with any browser, photo...
- 60 iLoveIMG alternatives
iLoveIMG is an online service to work with images completely free and easy to use. Compress images, resize, crop, convert and much more!.




































