PixTrim is a simple online tool to resize, crop, compress, convert, flip, and rotate images in popular formats like JPG, PNG, WebP, AVIF, and HEIC — all for free and right in your browser.




pngquant is described as 'Command-line utility and a library for lossy compression of PNG images' and is a Image Optimizer in the photos & graphics category. There are more than 50 alternatives to pngquant for a variety of platforms, including Windows, Mac, Linux, Web-based and Android apps. The best pngquant alternative is File Converter, which is both free and Open Source. Other great apps like pngquant are ImageMagick, Caesium Image Compressor, XnConvert and ImageOptim.
PixTrim is a simple online tool to resize, crop, compress, convert, flip, and rotate images in popular formats like JPG, PNG, WebP, AVIF, and HEIC — all for free and right in your browser.




A powerful online image compressor tool. Users can compress unlimited images at an instant. Currently supports 1GB of file compression at an instant. IMGCentury.com supports JPG, BMP, WEBP, ICO, SVG, AVIF, PNG, JFIF and many more.




Imagine is a desktop app for compression of PNG and JPEG, with a modern and friendly UI. Save for web.

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.
Don’t spend another second worrying about compressing your images. Install Imgbot into your GitHub projects, and focus on your application.


With Image Optimizer you can losslessly optimize your PNG, JPEG and GIF files and thus save your bandwidth and your users' time! Kraken recompresses images with blazing speed and strips metadata with image quality intact.
Compress or convert images on the web with offline support. Images are not uploaded on server and processed on client with webassembly. Support for formats like JPEG, PNG, WebP, AVIF and JXL.

optimus.io offers lossless compression of images available with a WordPress plugin and via API.






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.


With JPEG Resampler you are able to change the resolution and size of JPEG images of a directory in one go and move them into another folder.
