While designing a web site you should take care of site optimization too, which can be done in various ways and the most important out of them is image optimization which decreases the loading time and web pages load faster. Image optimization and page loading time are very important in SEO. Image optimization will also save bandwidth and disk space on your server.

Lots of tools are available on net which can help to optimize and reduce the image size. Those tools could be web based or desktop applications.

So, here are 17 excellent image optimization tools for you to choose among for optimizing images.

1. Smush.it

Smush.it uses optimization techniques specific to image format to remove unnecessary bytes from image files. It is a “lossless” tool, which means it optimizes the images without changing their look or visual quality.

SmushIt - Image Optimization Tool

2. Web Resizer

Webresizer is a free service provided by SiteSpace. Originally written as a free tool for clients to use when updating websites.

Web Resizer - Image Optimization Tool

3. Online Image Optimizer- GIF, JPG, and PNG

Image Optimizer lets you easily optimize your gifs, animated gifs, jpgs, and pngs, so they load as fast as possible on your site. Furthermore, you can easily convert from one image type to another.

Online Image Optimizer

4. GIF Bot

GIFBot is a free graphics optimization tool.

GIFBot - Image Optimization Tool


RIOT can be used to save and optimize JPEG, GIF and PNG with a simple, clean user interface.

RIOT - Image Optimization Tool


PNGOUT is a tool which can optimize PNG files created by other programs. It can be run from the Windows Run dialog box or at the command prompt.

PNGOUT - Image Optimization Tool

7. JPEG Cleaner

JPG Cleaner is simple but powerful utility for cleaning JPG files from anything that is not picture data. Commonly used programs such as Adobe Photoshop are writing additional information into JPG file that isn’t needed for correctly displaying the picture.

JPG Cleaner - Image Optimization Tool

8. Shrink O’Matic

Shrink O’Matic is an AIR application to easily (batch) resize (shrink) images. It handles JPGs, GIFs and PNGs.

Shrink O'Matic – Image Optimization Tool

9. PunyPNG

punypng is a free tool that dramatically reduces page load times by reducing the file size of an image without any loss of quality.

PunnyPng - Image Optimization Tool

10. SuperGIF

SuperGIF is an application for Macintosh and Windows and a very different kind of tool. It is the very first of its kind, and such a simple, easy tool to use that it is difficult to write about. There is little to say in describing SuperGIF past what it does – effortlessly make all your GIF images and animations smaller.

SuperGIF - Image Optimization Tool

11. PNGGauntlet

PNGGauntlet is a .NET program that uses Ken Silverman’s PNGOUT to optimize PNG files.
PNG Gauntlet - Image Optimization Tool

12. Web Graphics Optimizer

WebGraphics Optimizer can also be used for the entire process of image handling.

Web Graphics Optimizer

13. WP Smush.it

Every image you add to a page or post will be automatically run through Smush.it behind the scenes. You don’t have to do anything different.

WP SmushIT - Image Optimization Tool

14. Online Image Compression

Use this tool to compress (or convert) images into the JPG image format.

Online Image Compression

15. SiteReportCard Image Optimization Tool

The SiteReportCard Image Optimization tool is a free utility that compresses your GIF, JPEG, and PNG images.

SiteReportCard Image Optimization tool

16. JPG & PNG Stripper

A tool for stripping/cleaning/removing uncessary metadata (junk) from JPG/JPEG/JFIF & PNG files.

JPEG & PNG Stripper - Image Optimization Tool

17. TweakPNG

TweakPNG is a low-level utility for examining and modifying PNG image files.

Tweak Png - Image Optimization Tool