Resizing images using Lightroom is done when exporting.This tutorial shows you exactly how to resize your image by exporting it. Most of the time images are resized in order to share photos online for viewing on a screen. If you want to resize for printing then this should be done in the print module.
Why is it important to resize?
- Many sites wont allow you to upload big images.
- Many social media sites like Facebook will resize large images if you attempt to upload them. This often effects the quality so it is better to resize them yourself in order to get maximum quality.
Instructions for Resizing Images Using Lightroom
Select the image(s) that you want to re-size.
Choose File / Export from the menu and scroll down to the File Setting section as shown below.
The image format should be set to JPEG.
The color space should be set to sRGB.
The setting that you use for quality makes a huge difference to the size of the resulting image. When resizing for display on a computer screen there should rarely be any need to set this above 80. Never set this to 100 as this results in huge image sizes.
Take a look at the three images below. There is little noticeable difference in quality but the image size is dramatically different.
Limit File Size to
Limit File Size to shold not be checked.
Resize to Fit
Tick Resize to fit and select “Long Edge” from the dropdown. Set this to be whatever size you want the width of the image to be. This is typically 1024 pixels on the web.
Resolution makes no difference when displaying images on a screen. The photo below was exported at 300 PPI, the one below that was exported at 1 PPI. As you can see, there is no difference.
“Sharpen for” should be set to screen with the amount set to high.
Set Metadata to include Copyright and contact Info Only. this will reduce the size of your image by not adding unnecessary metadata.