Image optimization is very important for a web developer or web designer, to make the website load faster and to reduce the bandwidth consumption. The online Photo Editors allow users to upload pictures from their personal computer or bring in images from websites like flickr.com, Photobucket.com, facebook.com Picasa.com etc. They also provide resizing tools for your pictures. Here are some of the useful online Image resizing tools.

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Smush.it

Smush.it is a web based service for optimizing images. It converts and compresses images automatically. Any type of image formats like JPGs, GIFs, animated GIFs and PNG files can be formatted with it. It optimizes the images without altering their look or visual quality. You will be provided with the detailed report on the amount of bytes you can save by image optimization and all the altered images in a zip file for download. You can choose your images uploaded to the service, directly. A firefox plug-in which can analyze a whole page all at once can be used or the Sumsh.it bookmarklet can be used.

Web Resizer

Web Resizer is an online free picture resizing tool for free which helps you to optimize and edit photos for email or web. This image optimization tool provides you with all essential image optimization and resizing features you need to make your images smaller. It helps to resize, crop, rotate images, sharpen, adjust brightness, contrast and color saturation levels etc. This web based application is very simple to use and require no registration. It can support a maximum uploaded image size up to 5MB.

iResize

iResize is an online tool used for resizing image which is quick, free and simple to use. It permits you to reduce the size of your photo by bytes and pixels, very easily. It is clearly web based and you don’t have to download or install it to enjoy its services. It works in all of your favorite operating systems and modern web browsers, completely.

Pic Resize

Pic Resize is an alternative to the common image editors used for resizing pictures. You just need to upload the image you want to edit or resize and then start to work. Certain default options are there for resizing such as: 25%, 50%, 75% and 100%. You can also modify any size to your wish. There are some special effects like grayscale, spread, equalize, sharpen, gaussian blur, oil paint, polaroid, rotate crop, contrast, brightness or raised Frame, in it that you can choose before the final download of the optimization image. Pic Resize supports GIF, JPEG and PNG formats of images.

Shrink Pictures

Shrink Pictures is a simple free image resize tool online. Image resizing is a very simple process in shrink pictures. You can browse and opt for your image to resize, select the new size for your image, and decide the quality of the output image as in good, better or best. Then click on the “Resize” button. The processed image will be displayed within a few seconds. All the images that are resized are automatically converted to JPG format. The image uploads can be up to 6Meg in size and a tool called shrink Avatar tool can be used to “shrink” an image to avatar size. Another general use is to resize photos before it is posted to your Blog or sent in an email.

DynamicDrive Image Optimizer

DynamicDrive Image Optimizer provides an easy way to optimize your jpgs, pngs, gifs and animated gifs so that they get loaded faster on your site. Moreover, it is very simple for you to convert the image formats from one type to another. Uploading of images of size up to 300 kB is allowed. You can either enter the url of image or upload it directly from your computer, and then click on “optimize.

Resize Image

You select a picture, upload it and then alter its size in Resize Image. You can choose from three main options, which are “Small”, “Medium” and “Large”. The current size of the file is also shown on the left. All uploaded images are hosted on the server for one week.

Easy Cropper

Easy Cropper is an easy way for you to crop pictures online and make it fit to be used on the web. Once you have selected image to be cropped from your computer, all you have to do is to go for the desired height and width in pixels, and click “Continue”. You can have the preview of your new image which you may either edit or confirm.

ImageOptimizer.net

This is a free service for image optimization, that let you compress photos, resize and optimize your image files into a form that are more suitable for email attachments and web pages.

Resizr

This tool allows you to do online image crop, darkening, lightening, converting. It can be used to resize photos and also to post it to social media sites like Facebook, MySpace and send images via SMS or email.