18 Free Online Photo Resizer and Optimizer

To resize photo and images we use offline programs such as Irfan view and to edit we use computer programs and some of online editor. And now I have found some of online tools specially for photo resizing and optimizing.
You can resize images dimension and pixel sizes. You can optimize image size for blog postings.
Most of these online services are free and does not need registration.

(1) Rsizr
It is very fast and free online image resizer. Just upload a photo from your computer and choose picture quality and save it to your computer again.

(2) Quickthumbnail
You can upload image from your computer or get it from any URL. This program provides some good options as resize by percentage, resize by fixed sizes, resize by standard size for desktop resolution. You can apply filter and add watermark on your images.

(3) Webresizer
It is another good image resize tool. You can reduce image size crop photos, change their width and heights, adding borders etc. Max image file size is 5MB.

(4) Resizeyourimage
After uploading your photo use arrows to crop the picture and buttons to set dimensions and resize it. After resize you can save optimized image in jpg, png and gif format.

(5) Onlineimageresize
This is also simple. To save image after resizing right click on image save to your computer.

(6) Image-resizer
To resize an image select it from your computer, set its width and heights, image quality, rotation, flip etc. You can add text also in your image and set text properties. After setting your properties you can upload image to resize it.

(7) Resize2mail
Upload your picture set available properties and resize it, after resize you can save image by clicking to download or just right click by mouse to save as image.

(8) Shrinkpictures
Upload your picture set dimensions provided by program or you can set custom dimension. You can apply effects also. You can choose picture quality.

(9) Picresize
You can resize a single image or multi image at a time. To resize more than one image at a time you can select multiple images. But first you have to make a choice single image or multi image. In single image option you get custom options to set for image width, heights, effects and image extension.

(10)Reshade
Reshade provides both free and premium services. With a free account zoom is limited to 2x and maximum resolution is 1920x1200px. You can choose an image to resize from a URL or form hard drive. You can sign up to save your resized pictures online.

(11) Online-image-resize
This is an interesting tool, choose your photo and set desired width in pixels and upload it. After uploading your image will be shown in various sizes on a single page you can save them in your PC.

(12)Image-tools
You can upload GIF, JPG or PNG file. This tools is very useful for various image resizing, you can resize image for your Avatar for messengers, avatars for forums, fixed resizing etc.

(13) Cutmypic
Upload your image, cut and customize it, and save it or email it.

(14) Imageoptimizer
It is simple tool. Just choose your image, select your quality, and select your image dimension. You can download an offline version of this program that is much faster than online.

(15) Ezyimageresizer
You can easily resize more than one image at a time with this program. Select the destination where you will save your images after resizing and select images that you want to resize. Set the picture quality in percent.

(16) Resizr
Resize image by uploading or from a URL. You can install a Firefox add-on also.

(17) Imageutils
This is another simple and easy image resize. Maximum file size is 10MB.

(18) Resizepic
Upload your picture from computer and manually set the width and height of image. You can resize animated gif also.