Shrinks images and documents losslessly by optimizing existing compression. Run it comfortably in the background to save hard disk space and bandwidth.

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.
Shrinks images and documents losslessly by optimizing existing compression. Run it comfortably in the background to save hard disk space and bandwidth.

CompressBetter is a free online JPEG/JPG image compressor that utilizes Google's cutting-edge JPEGLI library. This technology enables superior image quality and significant file size reduction, often achieving 30-50% smaller JPEGs with visually identical quality, and...


CloudPresso Image Compressor, part of the CloudPresso File Compressor Suite, enables users to compress JPEG, JPG, PNG & GIF files free online.

A Mac app and Chrome extension that optimizes/compresses images and PDFs. Tinybeest also converts file formats and resizes images for the web.



Batch compress JPEG, PNG, HEIC, and WEBP images with drag-and-drop functionality, maintain high visual quality, and optimize files for storage, websites, and sharing across platforms without cloud upload or watermarks, supporting offline privacy.

Image Compressor is a desktop software to compress images in your computer and/or change the extension. You could reduce up to 99% of the original size! Compress any image and save size with almost the same quality.



Compress.Studio is a serverless image compression tool with decentralized storage. Open/Add any .jpeg, .jpg or .png image. By default, it compresses your image to the best size and quality. Select your preferred size to compress the image. Login with .

Effortlessly compress your images without loss of quality. Aerate offers an industry leading default mode, as well as new fast and extreme presets. Switch between modes quickly using the new compression slider.




Mini-Compressor is an easy to use image compression tool. Compress images by right clicking on the images or folder of images. A viable alternative to other photo editing software if all you need to do is quickly compress a image.


