JPEG, PNG, GIF, SIV are some of the image formats that can be compressed with this online application. This reduces the image to a quite considerable point without losing the image size.

After uploading the image from your computer, give the size of the image and quality you wish to have after processing. This provides only some control of the output and compression ratio But Greatly Helps to Resize Image without loosing Quality.

Smush.it is the best and popular online application you can have to compress images. It is present with an up-loader as well as URL box to have the image. In this you will not be provided with the ‘enter’ option to enter the image quality as that of previous one because it automatically optimizes the image by compressing it to a limit.

I would suggest you to have these application, for more control of the image quality. A slider appears as soon as you upload an image to auto control the quality of the last image. A preview panel is provided for showcasing the changes according to the quality slider change. So before downloading the image you can have the review of your final image. This application is available on different domains for JPG and PNG images.

This application is available to compress the PNG files. Upload an image and you can get a compressed size of the image. Besides this, tinypng.com , a quick tool to compress the PNG images to the best level without affecting the image quality.

If you need a Desktop tool to do this task then i would suggest you to have PNG Gauntlet as your first choice, You will need .Microsoft Net Framework 4.0 to run this tool on your Windows.

You won’t Face any difficulty in Using this tool as it is very User Friendly. While Optimizing the images PNG Gauntlet will show you older size and Optimized size of the image. this Program is not that Fastest at it work but Usefull.