When uploading images to the web, the size of the image can sometimes cause issues. Cameras output images in very large pixel sizes. Websites will usually not want to run images at 3000 X 4000 pixels, at least not run them very smoothly.
Changing the size of the images is a necessary part of adding images to any website, besides Facebook and other technologically advanced sites that have powerful image re-sizers built in. Have a lot of images that need to be uploaded and all need sizes changed? This is where a cool free piece of software can assist. Bulk Image Resize Manager is an open source tool that can be downloaded from CNET.com and will allow multiple images to be re-sized all at once.
To change multiple image sizes all at once, download the program Bulk Image Resize Manager and launch the program (make sure to uncheck the bloatware that tries to download during the install process). Once the program is open, create a new folder and put all the images to be re-sized in that folder. Put the name of this folder in the box “Source Folder Path” and then change the percentage of image size reduction/increase that you want, i.e. 25%, 50%, 75%, 150% etc.
Then click “Change Image Size” and watch the program work through the size change rather quickly. Your new folder containing the re-sized images will now pop up and show the contents.
Now take the newly size changed images and upload them to your website. That’s all there is to change multiple image sizes all at once!