
Safe Mode temporarily turns off hardware acceleration, resets some settings, and disables add-ons” “Safe Mode is a special Firefox mode that can be used to troubleshoot and fix problems. “safe mode” is oxymoronic here, isn’t it? It means you’ll be launching your browser bare naked, without the benefit of any extensions (inclusive of adblocking and privacy addons).įrom /en-US/kb/troubleshoot-firefox-issues-using-safe-mode Can be run without -url, and multiple URLs separated by space can be opened using the command.
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#LAUCHING FIREFOX FOR MAC MAC OS#
Requires Firefox 55 on Linux, Firefox 56 on Windows and Mac OS X. -headless - Start Firefox in headless mode.This lets you run multiple profiles at the same time.

-no-remote - Add this to the -P commands to create a new instance of the browser.Works only if no other instance of Firefox is running. Profile manager is opened if the specified profile does not exist. - P "profile name" - Starts Firefox with the specified profile.-ProfileManager, or -P - Opens the built-in profile manager.-CreateProfile "profile name profile dir" - Same as above, but will specify a custom profile directory on top of that.

-CreateProfile profile name - This creates a new user profile, but won't start it right away.
