Change Mac screenshot file format in OS X

[ThienBui]

Use Terminal:

Change the screenshot format to JPG
Type or paste the following line into a Terminal window and hit the Return key to execute the command:

defaults write com.apple.screencapture type jpg;killall SystemUIServer

Change the screenshot format to GIF
Type or paste the following line into a Terminal window and hit the Return key to execute the command:

defaults write com.apple.screencapture type gif;killall SystemUIServer

Change the screenshot format to PDF
Type or paste the following line into a Terminal window and hit the Return key to execute the command:

defaults write com.apple.screencapture type PDF;killall SystemUIServer

Change the screenshot format to PNG
Type or paste the following line into a Terminal window and hit the Return key to execute the command:

defaults write com.apple.screencapture type png;killall SystemUIServer

Change the screenshot format to TIFF
Type or paste the following line into a Terminal window and hit the Return key to execute the command:

defaults write com.apple.screencapture type tiff;killall SystemUIServer