3 outils optimisation d’images
EWWW image optimizer
Shrink O’Matic is an Adobe AIR application to batch and resize images easily, handling JPGs, GIFs and PNGs. Drag and drop images into the app and they will be resized. You can customize the settings and choose the output sizes, rotation, name, location, format and watermark. It supports EXIF data so you won’t lose any information once the images are processed.
enables advanced lossy compression for PNG images. It preserves full alpha transparency and reduces the file size by selectively decreasing the number of colors and bytes in the image.
The effect is nearly invisible, but it makes a large difference in file size. It takes 24-bit PNG files and converts them to much smaller 8-bit indexed color images, with all unnecessary metadata stripped as well.