One of the top pieces of feedback we received after the release of the Windows Photo Gallery was that there was no easy way to resize photos. Well, you asked for it and now you’ve got it in the Windows Live Photo Gallery! Resizing one or more photos is very simple and takes just a couple of steps. First, select the photo or photos you want to resize. Then, go to the File menu and select the “Resize…” option (you can also find the “Resize…” option in the right click context menu). Once you’ve done this, a simple dialog shows up.
In choosing a size, you can select a few presets from the drop-down menu or type in your own custom size. We only ask for one number because we will set the longest side of the photo to that size. For instance, if you have a landscape being resized down to 600, the horizontal dimension will be 600 pixels wide. If you have a portrait being resized down to 600, the vertical dimension will be 600 pixels tall. Basically, when you specify the maximum dimension, you are defining a bounding box. In the example above, the bounding box is a 600×600 square, and all of your photos will be resized to fit within that square while maintaining their aspect ratio. Photos will only be sized down, so if the specified dimension is larger than the longest side of the original photo, the photo will not be resized.
Once you’ve picked the size, you can choose a destination folder to save the newly resized photos. Then, it’s as simple as clicking “Resize and Save” to complete the operation. All resizing is done using high quality bicubic interpolation and all files are saved as JPEGs.
– Karthik Anbalagan (Program Manager)