It is hard to optimize your image in order to get the smallest file size with the best image quality. Image optimization is an art that not many people master. There are many good image editing tools that allow you to get the best visual result for a certain file size but "under the hood" a lot more optimization can be done.

Smushit.com is a service that goes beyond the limitations of photo editing software like Photoshop, Fireworks & Co. Smush.it uses image format specific non-lossy image optimization tools to squeeze the last bytes out of your images – without changing their look or visual quality. You’ll get a report of how many bytes you can save by optimizing your images and all the changed images as a single zip for download.

Smush it comes in different flavours:

• You can upload a bunch of pictures in your browser
• You can provide us with a list of image urls or
• You can get a Firefox Extension or a cross-browser bookmarklet to optimize the images found on any web page.

Upload and optimize your image now with Smush.it.