Working with chrome URLs

As a development aid, one can find out what a chrome URL resolves to by using the view-source: protocol and checking the document title. For example, if you put


into the URL bar in Firefox, you will see the title of the window change to


To resolve chrome URLs programatically at run-time, use the nsIChromeRegistry interface.

About URI scheme compatibility

The view-source: protocol can be used with the following chrome URLs in the about URI scheme in Mozilla:

  • about:blocked
  • about:buildconfig
  • about:cache
  • about:cache?device=memory
  • about:cache?device=disk
  • about:cache?device=offline
  • about:cache-entry
  • about:certerror
  • about:config
  • about:crashes
  • about:credits
  • about:feeds
  • about:licence
  • about:logo
  • about:memory
  • about:mozilla
  • about:neterror
  • about:plugins
  • about:privatebrowsing
  • about:rights
  • about:robots
  • about:sessionrestore
  • about:support

Document Tags and Contributors

 Contributors to this page: teoli, Sheppy, Vn0K4h, Shaver, Mook
 Last updated by: Sheppy,