Today once again i came with a cool image compressor tool which is totally free and able to compress images. It allow to compress JPG, JPEG, GIF, PNG images and you can also adjust level of compression. You should download compress image within 30 minutes, as after 30 minutes it will expire.

How To Use

Select up to 10 images at a time from your desktop computer or device. Or just drag and drop files to the drop area.
Select a compression level (%), then activate the compression with the button.
Download compressed images one by one or get the ZIP files.
Source