Depending on your end project working with a certain file format can be more beneficial than others. When it comes to web design a popular image format is JPEG. Its ability to create smaller file sizes by about 15% without loss of quality, even with colorful photos, makes JPEGs the preferred image format for web designers. This file format also promotes faster load times due to its small size and requires minimal storage space.
Taking speedy screenshot optimized for the web is faster and easier when you change your OS X’s default setting from the default PNG to JPEG. A one-line terminal command can easily change the default setting, just follow these simple steps:
2) Enter the following command:
defaults write com.apple.screencapture type jpg
3) Enter the following to reload your new settings
killall SystemUIServer
That’s it! Enjoy your new, web-optimized JPEG screenshots!