How to change Mac screenshot file format to jpg

Mac saves all screenshot files to PNG by default. Using of png file format is often too heavy for regular use on the web. Web designers usually prefer lighter JPG. There is an easy way to change the default behavior.

1. Open Terminal
2. Run command

defaults write type jpg; killall SystemUIServer

That’s it! Your screenshots should now save to .jpg file format automatically. This command works for all Mac Os X versions, including Yosemite, El Capitan and Sierra.

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Roni Laukkarinen

Roni Laukkarinen

Editor-in-chief and owner of Geeky Lifestyle blog. Truly a jack of all trades, a Swiss knife; an avid tech and multimedia geek, coder, owner of a digital agency company, sysadmin, music enthusiast, artist and film critic.

1 comment

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    Thomas Samuelsen

    Very helpful, thanks

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