Night Viewer for Chrome and Edge is a browser add-on/extension that enables dark mode when View Page Source is viewed. Night Viewer also shows you how the browser has rendered a page’s original HTML into a functioning DOM, including modifications made by JavaScript. Night Viewer allows you to modify the font size of the View Page Source by increasing or decreasing it to make it more readable. Night Viewer is a great way to save your eyes while viewing the code of a page. Similar: Enable Night Light Mode in Windows 10 to Reduce Eye Strain 10 Google Chrome Flags to Improve Your Browsing Experience How to Make Google Chrome and Mozilla Firefox Run Like New Again How to Stop Google Chrome Crash Reports Sending Personal Information How to Stop Google Chrome From Starting Automatically How to Reset or Repair Google Chrome, Mozilla Firefox or Microsoft Edge