ImageOptim ImageOptim makes images load faster. Removes bloated metadata. Saves disk space & bandwidth by compressing images without losing quality. Free Open Source Mac OS X Remove EXIF Data Lossless Compression PNG Compression Add a feature 62 Like
pngquant pngquant is a command-line utility and a library for lossy compression of PNG images. The conversion reduces file sizes significantly (often as much as 70%) and... Free Open Source Mac OS X Windows Linux No features added Add a feature 5 Like
JPEGmini JPEGmini is a patent-pending photo recompression technology, which significantly reduces the size of photographs without affecting their perceptual quality. The... Commercial Mac OS X Windows Reduce size Add a feature 19 Like
Vallen jpegger Vallen JPegger is the international, handy, and full featured image viewer, which shouldn't be missing on any PC. Currently it supports 27 different languages... Free Windows Portable Add a feature 1 Like
jStrip 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... Free Windows Reduce size Add a feature 2 Like Discontinued jStrip's official site is no longer accessible, but it has been archived by Archive.org: https://web.archive.org/web/20150516175309/http://davidcrowell.com/jstrip
Black Bird Image Optimizer Optimize pictures without quality lossless. With Black Bird Image Optimize - you can reduce the size of your photos several times without quality loss!. Freemium $ $ $ Windows Portable Add a feature 1 Like
JPEG Resampler 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. Source as well as the... Free Windows Lossless Compression Add a feature 2 Like
IMAGEmini IMAGEmini, a powerful photo resizer and optimizer, allows you to optimize all your photos by 80% ~ 20% comparing to their originals while keeping their original... Commercial Mac OS X Batch processing Lossless Compression Add a feature 2 Like
Tinybeest A Mac app and Chrome extension that optimizes/compresses images and PDFs. Tinybeest also converts file formats and resizes images for the web. Freemium Mac OS X Web Built-in Image converter Add a feature 1 Like
SqueezeFile Works with all common image formats like png, jpeg, bmp, tiff and Microsoft Office documents pptx, docx, xlsx. Free Mac OS X Windows Reduce size Add a feature 0 Like
