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<div>[[Category:Web Browser]]<br />
[[ar:Firefox]]<br />
[[cs:Firefox]]<br />
[[es:Firefox]]<br />
[[fr:Firefox]]<br />
[[it:Firefox]]<br />
[[ja:Firefox]]<br />
[[ko:Firefox]]<br />
[[ru:Firefox]]<br />
[[tr:Firefox]]<br />
[[zh-CN:Firefox]]<br />
{{Related articles start}}<br />
{{Related|Browser plugins}}<br />
{{Related|Firefox tweaks}}<br />
{{Related|Chromium}}<br />
{{Related|Opera}}<br />
{{Related articles end}}<br />
[http://www.firefox.com Firefox] is a popular open-source graphical web browser from [http://www.mozilla.com Mozilla].<br />
<br />
== Installing ==<br />
<br />
Firefox can be [[pacman|installed]] with the {{Pkg|firefox}} package, available in the [[official repositories]].<br />
<br />
Other alternatives from the [[AUR]] include:<br />
<br />
*{{AUR|firefox-esr-bin}} (a [https://www.mozilla.org/en-US/firefox/organizations/ long-term] supported version)<br />
*{{AUR|firefox-beta-bin}} (the official [https://www.mozilla.org/en-US/firefox/channel/ cutting-edge] version by Mozilla)<br />
*{{AUR|firefox-aurora}} ([http://www.mozilla.org/en-US/firefox/aurora/ alpha version] equivalent of Thunderbird Earlybird)<br />
*{{AUR|firefox-nightly}} (a [https://nightly.mozilla.org/ nightly] version)<br />
<br />
Here you can find an overview of Mozilla's [https://wiki.mozilla.org/Releases releases].<br />
<br />
There are a number of language packs available for Firefox, other than the standard English. Language packs are usually named as {{ic|firefox-i18n-languagecode}} (where {{ic|languagecode}} can be any language code, such as '''de''', '''ja''', '''fr''', etc.). For a list of available language packs see [https://www.archlinux.org/packages/?sort=&q=firefox-i18n&maintainer=&last_update=&flagged=&limit=100 this].<br />
<br />
If Firefox does not anti-alias and/or hint your fonts, try to install {{AUR|ttf-win7-fonts}} (preferred) or {{AUR|ttf-ms-fonts}} and take a look at [[Font configuration]].<br />
<br />
=== Firefox variants ===<br />
<br />
* {{App|[[Wikipedia:Mozilla Corporation software rebranded by the Debian project#IceWeasel|Iceweasel]]|Fork of Firefox that is being developed by Debian. The main difference is that it does not include any trademarked Mozilla artwork.|http://wiki.debian.org/Iceweasel|{{AUR|iceweasel}}}}<br />
{{Note|For some more information about Iceweasel's existance see [http://web.glandium.org/blog/?p&#61;97 this blog post].}}<br />
* {{App|[[Wikipedia:GNU IceCat|GNU IceCat]]|Web browser distributed by the GNU Project. It is made entirely of free software and is compatible with the GNU/Linux operating system and almost all of Firefox's addons. |http://www.gnu.org/software/gnuzilla/|{{AUR|icecat}}}}<br />
* {{App|Firefox KDE|Version of Firefox that incorporates an OpenSUSE patch for better KDE integration than is possible through simple Firefox plugins.|http://gitorious.org/firefox-kde-opensuse|{{AUR|firefox-kde-opensuse}}}}<br />
* {{App|Firefox GTK3|Firefox with GTK3 integration.||{{AUR|firefox-gtk3-bin}}}}<br />
<br />
== Add-ons ==<br />
<br />
Firefox is well known for its large library of add-ons which can be used to add new features or modify the behavior of existing features of Firefox. You can find new add-ons or manage installed add-ons with Firefox's "Add-ons Manager."<br />
<br />
For a list of popular add-ons, see [https://addons.mozilla.org/en-US/firefox/extensions/?sort=popular Mozilla's add-on list sorted by popularity]. See also [[Wikipedia:List of Firefox extensions|List of Firefox extensions]] on Wikipedia.<br />
<br />
== Plugins ==<br />
<br />
See the main article: [[Browser plugins]]<br />
<br />
To find out what plugins are installed/enabled, enter:<br />
about:plugins<br />
in the Firefox address bar or go to the ''Add-ons'' entry in the Firefox Menu and select the ''Plugins'' tab.<br />
<br />
=== GNOME Keyring integration ===<br />
<br />
Install {{AUR|firefox-gnome-keyring}} from the [[AUR]] to integrate Firefox with [[GNOME Keyring]]. To make firefox-gnome-keyring use your login keychain, set extensions.gnome-keyring.keyringName to "login" (without the double quotes) in about:config. Note the lowercase 'l' despite the the keychain name having an uppercase 'L' in Seahorse.<br />
<br />
=== KDE integration ===<br />
<br />
* To bring the KDE look to GTK apps (including Firefox), install {{Pkg|oxygen-gtk2}} and {{Pkg|kde-gtk-config}}. After that, go to System Settings -> Application Appearance -> GTK. Be sure to choose 'oxygen-gtk' in 'Select a GTK2 Theme' and check 'Show icons in GTK buttons' and 'Show icons in GTK menus'.<br />
<br />
* To use KDE's KPart technology with Firefox, by embedding different KDE file viewers into the browser, you can install {{Pkg|kpartsplugin}}.<br />
<br />
* For integration with KDE’s mime type system and file dialogs, one can use {{AUR|firefox-kde-opensuse}} variant from AUR with OpenSUSE’s patches applied, or {{AUR|firefox-kde-global-menu}} for that ''and'' appmenu integration.<br />
<br />
* Add-ons may provide some integration, such as [https://addons.mozilla.org/en-US/firefox/addon/kde-wallet-password-integratio/ KWallet integration] and [https://addons.mozilla.org/en-US/firefox/addon/plasmanotify/ Plasma notifications].<br />
<br />
=== Dictionaries for spell checking ===<br />
<br />
To enable spell checking for a specific language right click on any text field and check the ''Check Spelling'' box. To select a language for spell checking to you have right click again and select your language from the ''Languages'' sub-menu.<br />
<br />
To get more languages just click ''Add Dictionaries...'' and select the dictionary you want to install from the list.<br />
<br />
Alternatively, you can install the {{Pkg|hunspell}} package, available in the [[official repositories]]. You also need to install dictionaries for your language, such as {{Pkg|hunspell-fr}} (for the French language) or {{Pkg|hunspell-he}} (for Hebrew).<br />
<br />
By default, Firefox will try to symlink all your hunspell dictionaries in {{ic|/usr/lib/firefox/dictionaries}}. If you want to have less dictionaries offered to you in Firefox, you can remove some of those links. Be aware that it may not stand an upgrade of Firefox.<br />
<br />
=== Adding search engines ===<br />
<br />
Search engines can be added to Firefox through normal add-ons, see [https://addons.mozilla.org/en-US/firefox/search-tools/ this page] for a list of available search engines.<br />
<br />
A very extensive list of search engines can be found [http://mycroft.mozdev.org/ here].<br />
<br />
Also, you can use the [https://firefox.maltekraus.de/extensions/add-to-search-bar add-to-searchbar] extension to add a search to your search bar from any web site, by simply right clicking on the site's search field and selecting ''Add to Search Bar...''<br />
<br />
If you want a manual solution, take a look at {{ic|~/.mozilla/firefox/''xxxxxxxx''.default/searchplugins/}} (where ''xxxxxxxx'' is your profile ID).<br />
<br />
==== arch-firefox-search ====<br />
<br />
Install the {{Pkg|arch-firefox-search}} package, available in the [[official repositories]], to add Arch-specific searches (AUR, wiki, forum, etc, as specified by user) to the Firefox search toolbar.<br />
<br />
=== Multimedia playback ===<br />
<br />
If {{ic|media.gstreamer.enabled}} is enabled in {{ic|about:config}}, Firefox will try to use [[GStreamer]] for playing multimedia inside HTML5 {{ic|<audio>}} and {{ic|<video>}} elements. For this to work, the optional dependencies of the {{Pkg|firefox}} package need to be installed:<br />
<br />
* {{Pkg|gstreamer0.10-base-plugins}}: vorbis decoding, ogg demuxing<br />
* {{Pkg|gstreamer0.10-good-plugins}}: webm and mp4 demuxing<br />
* {{Pkg|gstreamer0.10-bad-plugins}}: aac, vp8 and opus decoding<br />
* {{Pkg|gstreamer0.10-ugly-plugins}}: h.264 and mp3 decoding<br />
* {{Pkg|gstreamer0.10-ffmpeg}}: more decoders<br />
<br />
For Firefox 30 and later, the current version of [[Gstreamer]] is supported. Instead of the above plugins, use the following:<br />
<br />
* {{Pkg|gst-plugins-base}}: vorbis decoding, ogg demuxing<br />
* {{Pkg|gst-plugins-good}}: webm and mp4 demuxing<br />
* {{Pkg|gst-plugins-bad}}: aac, vp8 and opus decoding<br />
* {{Pkg|gst-plugins-ugly}}: h.264 and mp3 decoding<br />
* {{Pkg|gst-libav}}: more decoders<br />
<br />
Restart Firefox, and go to [https://www.youtube.com/html5 YouTube's HTML5 page] or [http://www.quirksmode.org/html5/tests/video.html this page] to verify that it is correctly installed and is in use.<br />
<br />
Alternatively, to force Firefox to rely on the Adobe Flash Player to play HTML5 audio, set {{ic|media.gstreamer.enabled}} to {{ic|false}} in your {{ic|about:config}}.<br />
<br />
== Troubleshooting ==<br />
<br />
=== Setting your e-mail client ===<br />
<br />
Firefox is usually set to open {{ic|mailto}} links with a web application such as Gmail or Yahoo Mail. To set your e-mail client in Firefox to use with {{ic|mailto}} links, go to ''Preferences > Applications'' and modify the ''action'' column corresponding to the {{ic|mailto}} content type. You have to set this to the exact location of your e-mail client (e.g. {{ic|/usr/bin/kmail}} for Kmail).<br />
<br />
=== File association ===<br />
<br />
{{Poor writing|Unless there is some very specific solution, there should be only a link to [[Default applications]].}}<br />
<br />
==== Open containing folder problems (GNOME 3) ====<br />
<br />
If you expect Firefox to launch [[Nautilus]] when using the "Open Containing Folder" option in the Downloads manager, but [[Thunar]] or [[Wine]] Explorer launches instead, check these two lines in your user's {{ic|~/.local/share/applications/defaults.list}}:<br />
<br />
inode/directory=''someprogram''.desktop<br />
x-directory/normal=''someprogram''.desktop<br />
<br />
If ''someprogram'' is not ''nautilus'', change them to be so.<br />
<br />
==== Open containing folder problems (KDE) ====<br />
<br />
If Firefox launches something other than your preferred file manager when using the "Open Containing Folder" option in the Downloads manager, make sure you select your file manager of choice (e.g. {{pkg|kdebase-dolphin}}) in KDE's System Settings under ''Workspace Appearance and Behavior > Default Applications > File Manager''.<br />
<br />
If Firefox is still not opening your file manager of choice, modify your user's {{ic|~/.local/share/applications/defaults.list}} to include these two lines:<br />
x-directory/normal=kde4-dolphin.desktop;kde4-kfmclient_dir.desktop;<br />
inode/directory=kde4-dolphin.desktop;kde4-kfmclient_dir.desktop;kde4-gwenview.desktop;kde4-filelight.desktop;kde4-cervisia.desktop;<br />
<br />
==== File association problems ====<br />
<br />
{{Accuracy|1={{Pkg|firefox}} does not seem to use {{Pkg|libgnome}} at all, though [https://bugzilla.mozilla.org/show_bug.cgi?id=694570 this bug] is still open.}}<br />
<br />
For non-[[GNOME]] users, Firefox may not associate file types properly or at all (in the "Open With" part of the download dialog). Installing {{Pkg|libgnome}} from the [[official repositories]] amends the problem.<br />
<br />
If you are using [[KDE]] you can also do the following:<br />
ln -s ~/.local/share/applications/mimeapps.list ~/.local/share/applications/mimeinfo.cache<br />
From now on Firefox should use the applications which are explicitly set in KDE.<br />
<br />
=== Firefox keeps creating ~/Desktop even when this is not desired ===<br />
<br />
Firefox uses {{ic|~/Desktop}} as the default place for download and upload files. To set it to another folder, create {{ic|~/.config/user-dirs.dirs}} and add:<br />
XDG_DESKTOP_DIR="/home/''user''/"<br />
XDG_DOWNLOAD_DIR="/home/''user''/''dir''"<br />
XDG_TEMPLATES_DIR="/home/''user''/''dir''"<br />
XDG_PUBLICSHARE_DIR="/home/''user''/''dir''"<br />
XDG_DOCUMENTS_DIR="/home/''user''/''dir''"<br />
XDG_MUSIC_DIR="/home/''user''/''dir''"<br />
XDG_PICTURES_DIR="/home/''user''/''dir''"<br />
XDG_VIDEOS_DIR="/home/''user''/''dir''"<br />
Change ''user'' and ''dir'' to the actual directory.<br />
<br />
=== Make plugins respect blocked pop-ups ===<br />
<br />
Some plugins can misbehave and bypass the default settings, such as the Flash plugin. You can prevent this by doing the following:<br />
<br />
# Type {{ic|about:config}} into the address bar.<br />
# Right-click on the page and select {{ic|New}} and then {{ic|Integer}}.<br />
# Name it {{ic|privacy.popups.disable_from_plugins}}.<br />
# Set the value to 2.<br />
<br />
The possible values are:<br />
* '''0''': Allow all popups from plugins.<br />
* '''1''': Allow popups, but limit them to dom.popup_maximum.<br />
* '''2''': Block popups from plugins.<br />
* '''3''': Block popups from plugins, even on whitelisted sites.<br />
<br />
=== Middle-click errors ===<br />
<br />
A common error message you can get while using the middle mouse button in Firefox is:<br />
The URL is not valid and cannot be loaded.<br />
<br />
Another symptom is that middle-clicking results in unexpected behavior, like accessing a random web page.<br />
<br />
The reason stems from the use of the middle mouse buttons in UNIX-like operating systems. The middle mouse button is used to paste whatever text has been highlighted/added to the clipboard. Then there is the possibly conflicting feature in Firefox, which defaults to loading the URL of the corresponding text when the button is depressed. This can be easily disabled by going to {{ic|about:config}} and setting the {{ic|middlemouse.contentLoadURL}} option to '''false'''.<br />
<br />
Alternatively, having the traditional scroll cursor on middle-click (default behavior on Windows browsers) can be achieved by searching for {{ic|general.autoScroll}} and setting it to '''true'''.<br />
<br />
=== Backspace does not work as the 'Back' button ===<br />
<br />
As per [http://ubuntu.wordpress.com/2006/12/21/fix-firefox-backspace-to-take-you-to-the-previous-page/ this article], the feature has been removed in order to fix a bug. To re-introduce the original behavior go to {{ic|about:config}} and set the {{ic|browser.backspace_action}} option to '''0''' (zero).<br />
<br />
=== Firefox does not remember login information ===<br />
<br />
It may be due to a corrupted {{ic|cookies.sqlite}} file in [http://support.mozilla.com/en-US/kb/Profiles#How_to_find_your_profile Firefox's profile] folder. In order to fix this, just rename or remove {{ic|cookie.sqlite}} while Firefox is not running.<br />
<br />
Open a terminal of choice and type the following:<br />
$ cd ~/.mozilla/firefox/xxxxxxxx.default/<br />
$ rm -f cookies.sqlite<br />
{{Note|xxxxxxxx represents a random string of 8 characters.}}<br />
<br />
Restart Firefox and see if it solved the problem.<br />
<br />
=== Unreadable input fields with dark GTK+ themes ===<br />
<br />
{{Merge|Firefox tweaks#Appearance|Anything on that page might be in troubleshooting section as well, so let's keep the info in one place.}}<br />
<br />
When using a dark [[GTK+]] theme, one might encounter Internet pages with unreadable input and text fields (e.g. Amazon can have white text on white background). This can happen because the site only sets either background or text color, and Firefox takes the other one from the theme.<br />
<br />
A work around is to explicitly setting standard colors for all web pages in {{ic|~/.mozilla/firefox/xxxxxxxx.default/chrome/userContent.css}} or using [https://addons.mozilla.org/en-US/firefox/addon/stylish/ stylish add-on].<br />
<br />
The following sets input fields to standard black text / white background; both can be overridden by the displayed site, so that colors are seen as intended:<br />
{{bc|<br />
input {<br />
-moz-appearance: none !important;<br />
background-color: white;<br />
color: black;<br />
}<br />
<br />
textarea {<br />
-moz-appearance: none !important;<br />
background-color: white;<br />
color: black;<br />
}<br />
<br />
select {<br />
-moz-appearance: none !important;<br />
background-color: white;<br />
color: black;<br />
}<br />
}}<br />
<br />
This will force the colors ("Allow pages to choose their own colors..." checkbox in the ''Preferences > Content > Color'' dialog):<br />
{{bc|<br />
input {<br />
-moz-appearance: none !important;<br />
background-color: pink !important;<br />
color: green !important;<br />
}<br />
<br />
textarea {<br />
-moz-appearance: none !important;<br />
background-color: pink !important;<br />
color: green !important;<br />
}<br />
<br />
select {<br />
-moz-appearance: none !important;<br />
background-color: pink !important;<br />
color: green !important;<br />
}<br />
}}<br />
<br />
For Firefox 30 (Currently in Nightly Channel) there's this.<br />
{{Note|If you want {{ic|urlbar}} and {{ic|searchbar}} to be {{ic|white}} remove both {{ic|:not}} css selectors.}}<br />
{{bc|<br />
input:not(.urlbar-input):not(.textbox-input) {<br />
-moz-appearance: none !important;<br />
background-color: white;<br />
color: black;<br />
}<br />
<br />
#downloads-indicator-counter {<br />
color: white;<br />
}<br />
<br />
textarea {<br />
-moz-appearance: none !important;<br />
background-color: white;<br />
color: black;<br />
}<br />
<br />
select {<br />
-moz-appearance: none !important;<br />
background-color: white;<br />
color: black;<br />
}<br />
}}<br />
<br />
Change color values to suit, or use an add-on like [https://addons.mozilla.org/en-US/firefox/addon/2108 Stylish].<br />
<br />
=== "Do you want Firefox to save your tabs for the next time it starts?" dialog does not appear ===<br />
<br />
From the [http://support.mozilla.com/en-US/questions/767751 Mozilla support] site:<br />
<br />
# Type {{ic|about:config}} in the address bar.<br />
# Set {{ic|browser.warnOnQuit}} to '''true'''.<br />
# Set {{ic|browser.showQuitWarning}} to '''true'''.<br />
<br />
=== The menu cannot pop-up after updating to Firefox 13 ===<br />
<br />
This problem is most probably related to this [https://bugzilla.mozilla.org/show_bug.cgi?id=787943 bug] and it may affect any user that sets<br />
GTK_IM_MODULE=xim<br />
<br />
while configuring their input method.<br />
<br />
It appears to happen especially to those who are using [[Fcitx]] 4.0.x (at that time Fcitx only supported XIM). With newer version of Fcitx, XIM is discouraged and you should set:<br />
GTK_IM_MODULE=fcitx<br />
<br />
For more information see the [[Fcitx]] page.<br />
<br />
=== Silently fails when installing desktop apps from marketplace ===<br />
<br />
Installation of apps from firefox os marketplace will silently fail if there's no {{ic|~/.local/share/applications}} folder.<br />
<br />
== See also ==<br />
<br />
* [http://www.mozilla.org/firefox/ Official website]<br />
* [http://www.mozilla.org/ Mozilla Foundation]<br />
* [https://wiki.mozilla.org/Firefox Firefox wiki]<br />
* [https://addons.mozilla.org/ Firefox Add-ons]<br />
* [https://addons.mozilla.org/en-US/firefox/themes/ Firefox themes]</div>Zombro