2014
Kraken Image Optimizer · Kraken.io
by Spone
Kraken is a robust, ultra-fast image optimizer and compressor with best-in-class algorithms.
We'll save you bandwidth and storage space and will dramatically improve your website’s load times.
pngquant — lossy PNG compressor
by Spone
pngquant is a command-line utility and a library for converting 24/32-bit PNG images to paletted (8-bit) PNGs.
The conversion reduces file sizes significantly (often as much as 70%) and preserves full alpha transparency. Generated images are compatible with all modern web browsers, and have better fallback in IE6 than 24-bit PNGs.
2013
Trimage (lossless) image compressor
by srcmax & 2 others (via)
Trimage is a cross-platform GUI and command-line interface to optimize image files for websites, using optipng, pngcrush, advpng and jpegoptim, depending on the filetype (currently, PNG and JPG files are supported). It was inspired by imageoptim. All image files are losslessy compressed on the highest available compression levels, and EXIF and other metadata is removed. Trimage gives you various input functions to fit your own workflow: A regular file dialog, dragging and dropping and various command line options.
2012
TinyPNG – Compress PNG images while preserving alpha transparency
by Spone & 2 others
Advanced lossy compression for PNG images that preserves full alpha transparency.
2011
2010
PunyPNG - PNG Compression and Image Optimization - Gracepoint After Five
by srcmax & 2 others
Compress PNG, JPEG, and GIF images
PunyPNG is a free website optimization tool that dramatically
reduces the file size of your images without any loss of quality.
2009
ImageOptim - a PNG/JPEG graphics optimizer for Mac OS X
by nhoizey & 2 others
"ImageOptim is a front-end (GUI) for set of tools for optimisation of PNG/JPEG images and GIF animations. Optimisation makes files smaller (in terms of disk space) by finding optimal compression parameters and by removing unneccessary information, like file comments, EXIF tags and color profiles."
punypng - PNG Compression and Image Optimization | gracepointafterfive.com
by simon_bricolo & 7 others
free tool that dramatically reduces page load times by reducing the file size of an image without any loss of quality
punypng - PNG Image Optimization and Compression - Gracepoint After Five
by piouPiouM & 7 others
Un optimiseur d'image en ligne.
2008
Performance web » Images, PNG et GIF
by ghis & 2 others
Article très intéressant sur le type d'image à utiliser pour un site web ainsi que les différentes optimisations possibles pour png.
2007
1
(20 marks)
