Firefox

Adding Removing

Adding DuckDuckGo

Install the official add-on (recommended)

  • ✔ Search DuckDuckGo using the browser's address bar.
  • ✔ Search DuckDuckGo using the browser's search bar.
  • ✔ Search DuckDuckGo using the browser's context search (right-click on highlighted text).
  • ✔ Adds DuckDuckGo's instant answers to Google and Bing search results.
  • ✔ Adds a toolbar button that lets you easily search DuckDuckGo and use !bangs.

Other official add-ons (only add DuckDuckGo as a search engine option)

Manually setting DuckDuckGo as the default search engine in the search bar (also in the address bar and for right-click search in Firefox 23 or newer)

  1. Visit the DuckDuckGo homepage.
  2. Click the arrow in the search bar, at the top right.
  3. Click Add "DuckDuckGo".

Setting DuckDuckGo as the homepage

Drag this link to the home icon in the Firefox toolbar.

Manually setting DuckDuckGo as the default search engine in the address bar (Firefox 22 or older)

  1. Visit about:config.
  2. If prompted, click I'll be careful, I promise!.
  3. Search for keyword.url and double-click the result.
  4. In the pop-up, change the value to https://duckduckgo.com/?q=. (If you want instant-style search (I'm Feeling Ducky), change the value to https://duckduckgo.com/?q=!+ instead.)

Manually setting DuckDuckGo as the default search engine for right-click search (Firefox 22 or older)

  1. Visit about:config.
  2. If prompted, click I'll be careful, I promise!.
  3. Search for browser.search.defaultenginename and double-click the result.
  4. In the pop-up, change the value to the name of the DuckDuckGo add-on you use. (e.g. DuckDuckGo (SSL))

Unofficial integrations

Removing DuckDuckGo

Removing an add-on

  1. Click the Firefox button in the Firefox toolbar. (or Tools if you're using a Mac)
  2. Click Add-ons.
  3. Click Extensions.
  4. Click the Remove button associated with the add-on you want to remove.

Removing a search engine in the search bar

  1. Click the arrow in the search bar, at the top right.
  2. Click Add "Manage Search Engines...".
  3. Click the search engine you want to remove.
  4. Click Remove.

Changing the homepage

  1. Visit the page you want to me the new homepage.
  2. Drag that page's tab to the home icon in the Firefox toolbar.

Resetting an about:config change

  • Visit about:config.
  • If prompted, click I'll be careful, I promise!.
  • Search for the variable you want to reset..
  • Right-click that variable and click Reset.