Awesome about:config Tweaks For Customization Of Mozilla Firefox

Firefox about:config command is the core configuration file of Firefox. By editing about:config file we can get amazing tweaks and hacks for Firefox 3. User can

Kapil Arya
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Firefox‘s about:config command is the core configuration file of Firefox. By editing about:config file we can get amazing tweaks and hacks for Firefox 3. User can access to many setting of Firefox from about:config. You can access to it by putting about:config at address bar of Firefox. Here are the tweaks for Firefox that will maximize your browsing experience.

Awesome about:config Tweaks For Customization Of Mozilla Firefox

Following are the tweaks you can apply to Mozilla Firefox:

1. Location Bar (Set number Auto Complete URL at Address Bar) : This is a good hack to trim down that huge auto-complete list on your URL bar. By default it displays maximum 12 URL.

browser.urlbar.maxRichResults = #

Enter your desired no. of URL’s (e.g. 5, 10, 15 etc.).So it look like this:

browser.urlbar.maxRichResults = 15

2. Stop Displaying Website Icon (Favicon) in Address bar & On Tab : This will make disable favicon’s.

browser.chrome.site_icons = False

3. Disable Prefetch : This will make disable prefetch. Helpful for frequent Google searcher, low-speed internet connection or low RAM.

network.prefetch-next = False

4. Extend Spell check to forms : Replace 1 to 2.

layout.spellcheckDefault = 1

5. Disable Blinking Text:

browser.blink_allowed = False

6. Remove Tab Close Button from all Tab and set A single Close Button at Right : Single close button to control all Firefox opened tabs.

browser.tabs.closeButtons = 3

7. Disable Browser Toolbar Tip :

browser.chrome.toolbar_tips = False

8. Show More Tabs on Single Firefox Window before Scrolling :Setting lesser value with reduce tab width.

browser.tabs.tabMinWidth = 75

9. Disable Delay Time While Installing Firefox Add-on : Zero is number of seconds Firefox should wait while installing Add-on.

security.dialog_enable_delay = 0

10. Open Firefox Default Search Bar Result in New Tab :

browser.search.openintab=True

11. Auto Complete URL while You type at address Bar :

browser.urlbar.autoFill=True

Note: Many of above about:config hacks are available in Older Firefox Version and may be available in new version , if some thing goes wrong then feel free to restore your about:config to older setting (Right Click on the setting you have modified and choose “Reset”).

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Kapil Arya
WINDOWS EXPERT

Kapil holds Microsoft MVP title in Windows IT Pro expertise, 11-times in a row (2014-2025). He is 8-times Windows Insider MVP as well, and author of 'Windows Group Policy Troubleshooting' book. In 2015, Microsoft India accomplished him as 'Windows 10 Champion'. Being passionate Windows blogger, he loves to help others on fixing their system issues. Kapil has worked with official Microsoft Community Engagement Team (CET) on several community projects. You can subscribe him for news/updates and fixes for Windows.