Add Use Default Screenshot Shortcuts With Cleanshot X as a mac til

mac/use-default-screenshot-shortcuts-with-cleanshot-x.md

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+# Use Default Screenshot Shortcuts With CleanShot X
+
+_[Watch the screencast](https://www.youtube.com/watch?v=yoMWfe1F9h4) that
+accompanies this TIL to see how to do this visually._
+
+On macOS there are a set of keyboard shortcuts for taking screenshots. The one
+that I use most often is `Cmd-Shift-4`. It turns the cursor into cross hairs so
+that I can make a drag selection of part of the screen to be captured as a
+screenshot.
+
+I've recently transitioned to using CleanShot X for taking screenshots. It
+offers some improvements over the built-in screenshot tool, like annotations
+and sticking recently screenshots in the corner of the window. As part of this
+transition, I wanted `Cmd-Shift-4` to activate CleanShot X's _Capture Area_
+feature instead of the built-in one.
+
+To do this, first open up _System Preferences > Keyboard > Shortcuts_. Then go
+to the _Screenshots_ section and de-select any shortcuts that you want to
+remap. For `Cmd-Shift-4`, that is "Save picture of selected area as a file".
+
+Then I open _Preferences > Shortcuts_ for CleanShot X and map _Capture Area_ to
+`Cmd-Shift-4`.
+
+Hitting `Cmd-Shift-4` will now activate CleanShot X's Capture Area instead of
+the one for the built-in screenshot app.