There is now an application set to open the URL about:blank.
Switch branches/tags
Nothing to show
Clone or download
szhu Update
Fixes #1.
Latest commit 374558a Jan 29, 2017
Failed to load latest commit information. Change exe shell from bash -> true Jun 3, 2015
bin Add files Jun 3, 2015
doc Add files Jun 3, 2015 Update Jan 29, 2017


This is a simple app designed to silence this dialog:

error message

That's it. That's all it does.

Do you need this app?

Browsers are supposed to display the URL about:blank as a blank page. Unfortunately, some web browsers or similar apps do not know how to do this and will ask macOS to handle this URL. Apps that do this are misbehaving, but until these apps are fixed, you can use AboutWeb to silence these errors.


  1. Download this repo and open it to untar, or git clone
  2. You may need to manually open the app once to get rid of the Gatekeeper warning. You can do this by right-clicking on the app and selecting Open, or by running cd AboutWeb; bin/un-gatekeeper-ify.
  3. That's it! This app will register itself to open about: URLs and will handle them by doing nothing.


If you no longer need AboutWeb, just trash the AboutWeb folder or the app.