2. Quick Thumbnail
3. Pic Resize
Pic Resize is another nice online tool that lets users resize, crop of add special effects to photos. One can either upload photo from the system or via web. It also has an option to perform all image actions in bulk to multiple pics.
4. Web Photo Resizer
Web Photo Resizer is the most powerful listed in this post. It can reduce image size, crop photos, rotate, resize, convert to b/w and many other things in on click. This tool also lets perform all action for free without need to register for an account.
Resizr is also a nice tool that you can use to customize your image online. You can resize image, crop, rotate and add image effects for free. It also has options to share your image on Facebook or pin it on Pinterest. You can also send it to mail or your phone.
Also see: Online Image Converter tools
These are few online tools that let users resize phone online for free. There are many other similar kind of tools available but you can get desired effects with any of the above mentioned tools. Use these tools and share your experience with us via comments.