This brackets extension enables diffing and comparing files.
View
and Vertical Split or Horizontal Split
(To make sure files to be compared are visible)Show diff
button in the toolbar on the right (as shown in the image above), to switch on diff mode.Hide diff
button in the toolbar on the right (as show in the image above) to switch off diff mode.This makes use of the Codemirror Merge Addon which is built using the google diff match patch.
Also uses the free glyphicons from the bootstrap library.