If you need to edit images online quickly and easily without resorting to downloading software, you should check out Image-Resizer. It couldn’t be easier to upload a PNG or JPG image and quickly change some basic features about it. Of course, this isn’t Photoshop, so it can’t do anything crazy, but for easily changing features like the size or adding basic effects, this is one of the quicker solutions on the web.
Edit images from your browser.
Export in PNG or JPG.
Change image size, add basic effects and rotate images with ease.
Save image locally or online when finished.
Add text over the image.
Make sure selected image has one of the following extentions: jpg, jpeg, png or gif.
Plastiliq ImageResizer lets you batch–resize and convert your images. Select images; Specify and configure the appropriate Mode; Specify the format for converted images; Specify the folder for converted images. Click Resize. Mode selection gives you format options: Width and Height lets you specify the width and height of the image in pixels when you know exactly the size of images you want. Width or Height (Keep proportions) lets you specify the width OR the height and the program will automatically adjust the other dimension according to the aspect ratio.
Fit (Keep proportions) adjust image to fit a specified area preserving image proportions; this can be used to create thumbnails. Percentage lets you specify the desired width and height as a percentage of the original size. Desktop & Desktop (Keep proportions) image will be stretched to the size of your desktop. Plastiliq ImageResizer supports JPG, PNG, BMP, TIFF, formats.
rsizr is a Flash application that lets you resize JPG, PNG, and GIF images on your computer. With rsizr, in addition to normal image rescaling and cropping, you can also resize images using a new image resizing algorithm called seam carving (a method of image retargeting) that tries to keep intact areas in your image that are richer in detail.
Seam carving is a brilliant image resizing technique pioneered by Shai Avidan and Ariel Shamir.