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A free and open source web browser. More information:

  • Launch Firefox and open a web page:

firefox {{}}

  • Open a new window:

firefox --new-window {{}}

  • 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}} {{}}

  • Use a specific profile to allow multiple separate instances of Firefox to run at once:

firefox --profile {{path/to/directory}} {{}}

  • Set Firefox as the default browser:

firefox --setDefaultBrowser