firefox

A free and open source web browser. More information: https://developer.mozilla.org/en-US/docs/Mozilla/Command_Line_Options.

• Launch Firefox and open a web page:
  firefox {{https://www.duckduckgo.com}}
• Open a new window:
  firefox --new-window {{https://www.duckduckgo.com}}
• Open a private (incognito) window:
  firefox --private-window
• Search for "wikipedia" using the default search engine:
  firefox --search "{{wikipedia}}"
• Launch Firefox in safe mode, with all extensions disabled:
  firefox --safe-mode
• Take a screenshot of a web page in headless mode:
  firefox --headless --screenshot {{path/to/output_file.png}} {{https://example.com/}}
• Use a specific profile to allow multiple separate instances of Firefox to run at once:
  firefox --profile {{path/to/directory}} {{https://example.com/}}
• Set Firefox as the default browser:
  firefox --setDefaultBrowser