10 Coolest Hidden Firefox Settings You Should Know

There are plenty of settings that Firefox offers besides ubiquitous ones we can find in a Options menu. Many of these modernized settings can be found on specific browser pages that use a about: protocol. In this article, I’m going to uncover we 10 less-known Firefox settings that can come useful in your bland workflow.

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When we revisit any of a about: pages in a list below, and are stirred with a warning message, usually click possibly a OK or a I’ll be careful, we promise! symbol — whichever one we encounter.

1. Perform DNS Lookup

You can perform an in-house DNS lookup (finding a IP residence of a domain) in Firefox.

Type about:networking into a URL bar, and press Enter. On a arriving page, click “DNS Lookup” in a sidebar menu, form a domain name, and click Resolve to see a IP address(es).

DNS Lookup

2. Block Auto-Refresh

Sometimes web pages come with Refresh HTTP headers that make pages modernise frequently.

If we wish to stop that from happening, go to about:preferences#advanced, and underneath a underline Accessibility, check a checkbox labeled “Warn me when websites try to route or reload a page”.

Auto-Refresh Setting

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3. Search As You Type

Pressing Ctrl+F opens an in-page search-box in Firefox that allows users to hunt for a fibre in a webpage. But it’s probable to gangling a pivotal combo dire and start acid as we start typing.

In a “Accessibility” territory of a about:preferences#advanced page check a checkbox labeled “Search for content when we start typing”.

Search As You Type setting

From now on, when we start typing, and a cursor isn’t in a content submit margin on a page, Firefox will immediately start looking for a content on a web page.

4. Unmap Backspace Key

To forestall being astounded by someone perplexing to sneakily backspace their approach into your browser history, we can replace a backspace action with one that scrolls a page adult on dire Backspace, scrolls it down on Shift + Backspace. You can also configure a Backspace pivotal not to give any movement during all.

Go to about:config, and form browser.backspace_action into a hunt bar. The default value of this browser environment is 0.

Unmap Backspace Key setting

Double-click on it, and change it to 1 for mapping scrolling action to a Backspace key, or change it to 2 for unmapping it from any action.

5. Move Around With Cursor Keys

Reading a prolonged essay or story online, and wish more control while jumping line? You can use a cursor for in-text navigation.

Under “Accessibility” on a about:preferences#advanced page, check a choice “Always use a cursor keys to navigate within pages”.

Move Around With Cursor Keys setting

Besides a default arrow cursor, a blinking content cursor will also seem on websites. You can pierce it around by regulating a arrow keys.

6. Paste On Middle Click

Got a rodent with a core button? Use it to paste content from a clipboard into content fields on web pages.

Go to about:config, and form middlemouse.paste into a hunt bar. The default value is false, double-click on it, and change it to true.

Paste On Middle Click setting

7. Customize Print Header Footer

When we imitation a web page in Firefox, it uses a default layout. At a top-left dilemma of a imitation page there’s a pretension of a web page, during top-right a URL, during bottom-left a page series of sum pages, and during bottom-right a date-time.

You can change this arrangement, for instance we can supplement something to a core of a header or footer, mislay some of a default info altogether, or reinstate them with your tradition text.

On a about:config page, there are six settings for a customization a imitation header and footer:

  1. print.print_headercenter
  2. print.print_headerleft
  3. print.print_headerright
  4. print.print_footercenter
  5. print.print_footerleft
  6. print.print_footerright
Print Header Custom Setting

Print Footer Custom Setting

You need to form a name of a environment from a above list into a hunt bar on a about:config page in sequence to change a value. The value can be any of a following strings, or your tradition text:

  1. D – Date-time
  2. P – Page number
  3. PT – Page series of sum pages
  4. T – Title of a web page
  5. U – URL
8. Change Default Colors

You have a choice to change a default background, text, and couple colors in Firefox.

Go to about:preferences#content, click on a Colors… in a “Fonts Colors” section, and name a new colors.

Color Setting

9. Filter Awesome Bar Links

Awesome Bar, a plcae bar of Firefox shows a list of links when we start typing. The displayed links are taken from your bookmarks, browser story and now open pages.

You can filter these Awesome Bar links by typing one of a following special characters into a plcae bar, possibly before your query or usually on a own:

  1. # – Match page title
  2. @ – Match URL
  3. * – Match usually to links in bookmarks
  4. ^ – Match usually to links in history
  5. + – Match usually to links that’re tagged
  6. % – Match usually to links that are open currently
Awesomebar with Open Tab Filter

Awesomebar with Open Tab Filter and Input

10. Auto-Export Bookmarks In HTML

If we wish Firefox to auto-save your bookmarks in HTML format as a list of links, we can do so by going to about:config, typing browser.bookmarks.autoExportHTML into a hunt bar, and changing a default false value to true by double-clicking on it.

Bookmark Setting

When we restart your browser, a record named bookmarks.html will seem in your Firefox form folder with all a bookmark links.

To see your form folder, go to about:support, and press a symbol Show Folder. Note that we might need to restart your whole complement to make a change take effect.

From now on, each time we exit Firefox, a bookmarks.html record will be updated with your stream list of bookmarks.

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