Difference between revisions of "Chromium"

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[[Category:Web browser]]
 
[[de:Chromium]]
 
[[de:Chromium]]
 
[[es:Chromium]]
 
[[es:Chromium]]
 
[[fr:chromium]]
 
[[fr:chromium]]
 
[[it:Chromium]]
 
[[it:Chromium]]
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[[ja:Chromium]]
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[[ru:Chromium]]
 
[[zh-CN:Chromium]]
 
[[zh-CN:Chromium]]
[[Category:Web Browser]]
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{{Related articles start}}
{{Article summary start}}
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{{Related|Chromium/Tips and tricks}}
{{Article summary text|General information, installation and troubleshooting for Chromium.}}
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{{Related|Browser plugins}}
{{Article summary heading|Related}}
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{{Related|Firefox}}
{{Article summary wiki|Chromium Tips and Tweaks}}
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{{Related|Opera}}
{{Article summary wiki|Browser Plugins}}
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{{Related articles end}}
{{Article summary wiki|Firefox}}
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{{Article summary wiki|Opera}}
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[[Wikipedia:Chromium (web browser)|Chromium]] is an open-source graphical web browser from Google, based on the [[Wikipedia:Blink (layout engine)|Blink]] rendering engine.
{{Article summary end}}
+
[[Wikipedia:Chromium (web browser)|Chromium]] is an open source graphical web browser from Google, based on the [[Wikipedia:WebKit|WebKit]] rendering engine.
+
  
 
== Installation ==
 
== Installation ==
  
The open source project, '''Chromium''', can be [[Pacman|installed]] with the package {{Pkg|chromium}}, available in the [[official repositories]].  
+
The open-source project, '''Chromium''', can be [[install]]ed with the {{Pkg|chromium}} package.  
In the [[AUR]] you can also find:
+
You can also find:
* {{AUR|chromium-dev}} - the development version (beware: compiling Chromium takes at least as long as compiling the Linux kernel!)
+
* {{AUR|chromium-dev}} - the development version
* {{AUR|chromium-browser-bin}} - the binary version of the latest Chromium build
+
* {{AUR|chromium-continuous-bin}}{{Broken package link|{{aur-mirror|chromium-continuous-bin}}}} - the automatically tested nightly version
 +
* {{AUR|chromium-snapshot-bin}} - the untested nightly version
  
The modified browser, '''Google Chrome''', bundled with Flash Player and PDF Reader, can be installed with the package {{AUR|google-chrome}}, available in the [[AUR]].  
+
The derived browser, '''Google Chrome''', bundled with Flash Player and Widevine [[Wikipedia:Encrypted Media Extensions|EME]] (for e.g. Netflix), can be [[install]]ed with the {{AUR|google-chrome}} package.
In the [[AUR]] you can also find:
+
You can also find:
 
* {{AUR|google-chrome-beta}} - the beta version
 
* {{AUR|google-chrome-beta}} - the beta version
 
* {{AUR|google-chrome-dev}} - the development version
 
* {{AUR|google-chrome-dev}} - the development version
  
{{Tip|See these [https://code.google.com/p/chromium/wiki/ChromiumBrowserVsGoogleChrome two] [http://news.softpedia.com/news/Google-Chrome-vs-Chromium-Understanding-Stable-Beta-Dev-Releases-and-Version-No-140060.shtml articles] for an explanation of the differences between Stable/Beta/Dev, as well as Chromium vs. Chrome and the version numbers.}}
+
{{Note|Google Chrome revoked 32 bits support, and only supports 64 bits installation}}
  
[http://www.srware.net/en/software_srware_iron.php SRWare Iron], a modified Chromium with altered settings to increase privacy and with built-in ad-blocker, can be installed with the package {{AUR|iron-bin}}, available in the [[AUR]].
+
{{Tip|See these [https://chromium.googlesource.com/chromium/src/+/master/docs/chromium_browser_vs_google_chrome.md two] [http://news.softpedia.com/news/Google-Chrome-vs-Chromium-Understanding-Stable-Beta-Dev-Releases-and-Version-No-140060.shtml articles] for an explanation of the differences between Stable/Beta/Dev, as well as Chromium vs. Chrome and an explanation of the version numbering.}}
 +
 
 +
=== Inox ===
 +
 
 +
Inox is a privacy-focused patchset which disables Google services, proprietary features, prevents "calling home" and unhides all extensions. Flags are stored in {{ic|inox-flags.conf}}. See [https://github.com/gcarq/inox-patchset this GitHub project] for details. Otherwise, instructions regarding Chromium apply equally.
 +
 
 +
* {{AUR|inox-bin}} - prebuilt binaries.
 +
* {{AUR|inox}} - Allows disabling additional features in PKGBUILD. Takes a '''long''' time to build, regardless of your CPU.
  
 
== Configuration ==
 
== Configuration ==
Line 35: Line 44:
 
=== Set Chromium as default browser ===
 
=== Set Chromium as default browser ===
  
This behaviour is related to [[xdg-open]]: see [[xdg-open#set the default browser]]. For more information about the topic in general, see [[Default Applications]].
+
This behaviour is related to [[xdg-open]]: see [[xdg-open#Set the default browser]]. For more information about the topic in general, see [[Default applications]].
  
 
=== File associations ===
 
=== File associations ===
  
This behaviour is related to [[xdg-open]]: see [[xdg-open#Configuration]]. For more information about the topic in general, see [[Default Applications]].
+
This behaviour is related to [[xdg-open]]: see [[xdg-open#Configuration]]. For more information about the topic in general, see [[Default applications]].
  
=== Font rendering ===
+
=== Flash Player plugin ===
  
Chromium (and Google Chrome) will use the [[Font Configuration|settings]] in {{ic|~/.config/fontconfig/fonts.conf}}. For possibly better rendering you may try the following. Create the file if it does not already exist.
+
{{Note|Chromium no longer supports the Netscape plugin API (NPAPI), so {{pkg|flashplugin}} from the repositories cannot be used.}}
  
{{hc|~/.config/fontconfig/fonts.conf|
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''Pepper Flash'' is the Flash Player plugin, using the new Pepper plugin API. It is co-developed by Google and Adobe, and distributed bundled with Google Chrome.
<match target&#61;"font">
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  <edit mode&#61;"assign" name&#61;"autohint"><bool>true</bool></edit>
+
  <edit mode&#61;"assign" name&#61;"hinting"><bool>true</bool></edit>
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  <edit mode&#61;"assign" name&#61;"hintstyle"><const>hintslight</const></edit>
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</match>
+
}}
+
  
If the fonts are still rendered badly, you can use Xft settings [[X resources|as suggested here]]:
+
To install Pepper Flash for Chromium, install the {{AUR|chromium-pepper-flash}} package. If you want the development version, install the {{AUR|chromium-pepper-flash-dev}} package instead.
{{hc|~/.Xresources|
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[...]
+
! Xft settings ---------------------------------------------------------------
+
Xft.dpi:        96
+
Xft.antialias:  true
+
Xft.rgba:      rgb
+
Xft.hinting:    true
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Xft.hintstyle:  hintslight
+
[...]
+
}}
+
  
Then update the X Resources database using:
+
Make sure the plugin is enabled in {{ic|chrome://plugins}} and restart chromium via its menu.
  
$ xrdb -merge ~/.Xresources
+
=== Widevine Content Decryption Module plugin ===
  
{{Note|These settings will affect any application that uses X Resources for font settings; e.g. [[Rxvt-unicode|rxvt-unicode]].}}
+
Widevine is Google's Encrypted Media Extensions (EME) Content Decryption Module (CDM). It is used to watch premium video content such as Netflix. It comes bundled with Chrome.
  
==== Non-Latin characters ====
+
To install the Widevine CDM for Chromium, install the {{AUR|chromium-widevine}} package.
  
Install needed fonts to correctly display Chinese, Japanese, Korean characters. For examples of recommended fonts for various languages see [[Fonts#Font_packages|Font Packages]].
+
Make sure the plugin is enabled in {{ic|chrome://plugins}}.
 
+
For the Arch Wiki, one only needs the {{Pkg|ttf-arphic-uming}} package.
+
 
+
=== Flash Player plugin ===
+
 
+
==== Adobe (Netscape plugin API) ====
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{{Warning|This version will not be updated (except for security updates), and is stuck at version 11.2. It will be completely disabled in January 2014.[http://blog.chromium.org/2013/09/saying-goodbye-to-our-old-friend-npapi.html]}}
+
The Adobe Flash plugin can be [[Pacman|installed]] with the package {{Pkg|flashplugin}}, available in the official repositories.
+
 
+
==== Adobe (Pepper plugin API) ====
+
 
+
While the classic Flash plugin will not be updated for Linux, an updated Flash Player is included with Google Chrome. It is compatible with Chromium and Iron.
+
 
+
The easiest way to install '''pepper-flash''' for Chromium is using one of the packages provided in the [[AUR]]:
+
* {{AUR|chromium-pepper-flash-stable}} for the stable version.
+
* {{AUR|chromium-pepper-flash}} for a development version.
+
 
+
{{Note|
+
* If you have still {{pkg|flashplugin}} installed, in order for Chromium to use this new Pepper Flash plugin, please make sure the plugin location from {{ic|/usr/lib/mozilla/plugins/libflashplayer.so}} is disabled and {{ic|/usr/lib/PepperFlash/libpepflashplayer.so}} is enabled in {{ic|chrome://plugins}}.
+
* If you use [http://www.srware.net/en/software_srware_iron.php SRWare Iron], and have still {{pkg|flashplugin}} installed and if the Pepper Flash doesn't show up in the plugins list, then disable {{ic|libflashplayer.so}} and start Iron with:
+
{{bc|1=$ iron --ppapi-flash-path=/usr/lib/PepperFlash/libpepflashplayer.so --ppapi-flash-version=11.9.900.117}}
+
}}
+
  
 
=== PDF viewer plugin ===
 
=== PDF viewer plugin ===
  
There are multiple ways of enabling PDF support in Chromium that are detailed below.
+
Chromium and Google Chrome are bundled with the ''Chromium PDF Viewer'' plugin, so installing a third-party plugin is not required.
  
==== libpdf ====
+
If you prefer another implementation, disable the ''Chromium PDF Viewer'' plugin in {{ic|chrome://plugins}}, and install one of the following alternatives:
  
'''libpdf''' is Google's own implementation of a PDF renderer included with Google Chrome. It is compatible with Chromium and Iron.
+
==== PDF.js ====
  
The easiest way to install '''libpdf''' for Chromium is using one of the packages provided in the [[AUR]]:
+
See the main article: [[Browser plugins#PDF.js]]
* {{AUR|chromium-libpdf-stable}} for the stable version.
+
* {{AUR|chromium-libpdf}} for a development version.
+
 
+
Enable the plugin in {{ic|chrome://plugins}}.
+
 
+
{{Note|To install '''libpdf''' for other Chromium packages, edit the PKGBUILD of {{AUR|chromium-libpdf-stable}} to install {{ic|libpdf.so}} into correct path. For example, to install it for {{AUR|chromium-browser-bin}}, replace
+
install -m644 opt/google/chrome/libpdf.so "${pkgdir}''/usr/lib/chromium"''
+
with
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install -m644 opt/google/chrome/libpdf.so "${pkgdir}''/opt/chromium-browser"''
+
}}
+
 
+
===== Manual installation =====
+
 
+
To do it manually, download a Google Chrome release that corresponds to the version of Chromium you use:
+
 
+
$ curl -O https://dl-ssl.google.com/linux/direct/google-chrome-stable_current_i386.deb
+
$ curl -O https://dl-ssl.google.com/linux/direct/google-chrome-unstable_current_i386.deb
+
$ curl -O https://dl-ssl.google.com/linux/direct/google-chrome-stable_current_amd64.deb
+
$ curl -O https://dl-ssl.google.com/linux/direct/google-chrome-unstable_current_amd64.deb
+
 
+
Extract the deb file with:
+
$ ar vx ''deb-file''
+
 
+
Extract LZMA the archive with:
+
$ tar -xJf ''lzma-file''
+
 
+
Move {{ic|libpdf.so}} from {{ic|opt/google/chrome/}} to the appropriate directory as stated above. A change of its file permissions and ownership may be necessary (the permission of {{ic|libpdf.so}} should be 755).
+
 
+
To verify that the installation went correctly: start Chromium, open {{ic|chrome://plugins/}} and check  if "Chrome PDF Viewer" is available (it may need to be enabled).
+
 
+
{{Note|As a new version of Chromium will not update {{ic|libpdf.so}}, it may become incompatible. Thus and with respect to possible security fixes it is advisable to update both at the same time.}}
+
 
+
==== Using mozplugger ====
+
 
+
{{Box||See the main article: [[Browser Plugins#MozPlugger]]|#E5E5FF|#FCFCFC}}
+
 
+
==== Using the KParts plugin ====
+
 
+
{{Box||See the main article: [[Browser Plugins#kpartsplugin]]|#E5E5FF|#FCFCFC}}
+
  
 
=== Certificates ===
 
=== Certificates ===
  
Chromium uses [[Nss|NSS]] for the certificate management. Certificates can be managed in {{ic|Settings}} → {{ic|Show advanced settings...}} → {{ic|Manage Certificates...}}.
+
Chromium uses [[Network Security Services|NSS]] for certificate management. Certificates can be managed in {{ic|Settings}} → {{ic|Show advanced settings...}} → {{ic|Manage Certificates...}}.
  
 
== Tips and tricks ==
 
== Tips and tricks ==
  
{{Box||See the main article: [[Chromium Tips and Tweaks]]|#E5E5FF|#FCFCFC}}
+
See the main article: [[Chromium tweaks]]
  
 
== Troubleshooting ==
 
== Troubleshooting ==
  
=== Proxy settings ===
+
=== Constant freezes under KDE ===
  
There have been many situations in which proxy settings do not work properly, especially if set through the KDE interface. A good method as of now is to use Chromium's command-line options, like {{ic|--proxy-pac-url}} and {{ic|--proxy-server}}, to set your proxy.
+
[[Uninstall]] {{pkg|libcanberra-pulse}}. See: [https://bbs.archlinux.org/viewtopic.php?pid=1228558 BBS#1228558].
  
=== Default profile ===
+
=== Fonts ===
  
If you cannot get your default profile when you try to run Chromium and get a similar error instead:
+
{{Note|Chromium does not fully integrate with fontconfig/GTK/Pango/X/etc. due to its sandbox. For more information, see the [https://dev.chromium.org/developers/linux-technical-faq Linux Technical FAQ].}}
{{hc|$ chromium|
+
[2630:2630:485325611:FATAL:chrome/browser/browser_main.cc(755)] Check failed: profile.  
+
Cannot get default profile. Trace/breakpoint trap
+
}}
+
  
You have to set the correct owner of the directory {{ic|~/.config/chromium}} as following:
+
==== Font rendering issues in PDF plugin ====
# chown -R ''yourusername'':''yourusergroup'' ~/.config/chromium
+
  
=== WebGL ===
+
To fix the font rendering in some PDFs one has to install the {{Pkg|ttf-liberation}} package, otherwise the substituted font causes text to run into other text. This was [https://code.google.com/p/chromium/issues/detail?id=369991 reported on the chromium bug tracker] by an Arch user.
  
Sometimes, Chromium will disable WebGL with certain graphics card configurations. This can generally be remedied by typing {{ic|about:flags}} into the URL bar and enabling the WebGL flag. You may also enable WebGL by passing the command line flag {{ic|--enable-webgl}} to Chromium in the terminal.
+
=== Force 3D acceleration ===
  
There is also the possibility that your graphics card has been blacklisted by Chromium. To override this use the {{ic|--ignore-gpu-blacklist}} flag or go to {{ic|about:flags}} and enable {{ic|Override software rendering list}}.
+
{{Warning|Disabling the rendering list may cause unstable behaviour, including crashes of the host. See the bug reports in {{ic|chrome://gpu}}.}}
  
=== Google Play and Flash ===
+
First, make sure you have all the required packages as explained in [[VDPAU]]. Then, to force 3D rendering, ''enable'' the flag "Override software rendering list" in {{ic|chrome://flags}}. Check if it is working in {{ic|chrome://gpu}}. This may also alleviate tearing issues with the [[radeon]] driver.
  
{{Out of date|HAL is no longer used in Arch.}}
+
=== WebGL ===
 
+
DRM content on Flash still requires HAL to play. This is readily apparent with Google Play Movies. If one attempts to play a Google Play movie without HAL, they will receive a YouTube-like screen, but the video will not play.
+
 
+
{{Note|{{AUR|chromium-pepper-flash}} does not work with this method. The user must ensure they are using {{Pkg|flashplugin}}.}}
+
 
+
As per [http://isenmann.blogspot.gr/2012/08/watching-movies-from-google-play-with.html "Watching movies from Google Play on Arch Linux"]; install {{AUR|hal}} and {{AUR|hal-info}}. Then remove any previous cache files for Flash:
+
$ rm -rf ~/.adobe/Flash_Player/*
+
 
+
Start the HAL daemon and one will be able to watch Google Play Movie content.
+
{{bc|<nowiki>
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# systemctl start hal
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</nowiki>}}
+
  
Alternately one can just save the following Bash script below and run it before they want to watch Google Play Movie content.
+
{{Warning|[[Catalyst]] does not support the {{ic|GL_ARB_robustness}} extension. When using this driver, it is possible that a malicious site could use WebGL to perform a DoS attack on your graphic card.}}
{{bc|<nowiki>
+
#!/bin/bash
+
  
## written by Mark Lee <bluerider>
+
Chromium will sometimes disable WebGL with certain graphics card configurations. To remedy this, enter {{ic|chrome://flags}} into the URL bar and ''disable'' the ''Disable WebGL'' flag. Alternatively, pass the command-line flag {{ic|--enable-webgl}} to Chromium in the terminal.
## using information from <https://wiki.archlinux.org/index.php/Chromium#Google_Play_.26_Flash>
+
  
## Start and stop HAL service on command for Google Play Movie service
+
There is also the possibility that your graphics card has been blacklisted by Chromium. See [[#Force 3D acceleration]].
  
function main () { ## run the main insertion function
+
If you are using Chromium with [[Bumblebee]], WebGL might crash due to GPU sandboxing. In this case, you can disable GPU sandboxing with {{ic|optirun chromium --disable-gpu-sandbox}}.
clear-cache;  ## remove adobe cache
+
start-hal;  ## start the hal daemon
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read -p "Press 'enter' to stop hal";  ## pause the command line with a read line
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stop-hal;  ## stop the hal daemon
+
}
+
  
function clear-cache () { ## remove adobe cache
+
If none of the above solves your problem, you may be able to visit {{ic|chrome://gpu/}} for additional debugging info.
cd ~/.adobe/Flash_Player;  ## go to Flash player user directory
+
rm -rf NativeCache AssetCache APSPrivateData2;  ## remove cache
+
}
+
  
function start-hal () {  ## start the hal daemon
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=== Distorted GUI ===
sudo systemctl start hal && ( ## systemd : start hal daemon
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echo "Started HAL service..."
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) || (
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echo "Failed to start HAL service!"
+
)
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}
+
  
function stop-hal () {  ## stop the hal daemon
+
Chromium's graphical interface may look unsightly, distorted and zoomed in on high-DPI displays. To disable any attempts to scale display according to device DPI, use {{ic|1=--force-device-scale-factor=1}}.
sudo systemctl stop hal && (  ## systemd : stop HAL daemon
+
echo "Stopped HAL service..."
+
) || (
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echo "Failed to stop HAL service!"
+
)
+
}
+
  
main; ## run the main insertion function
+
=== "Search Google for this image" broken ===
</nowiki>}}
+
  
=== Force 3D acceleration in Pepper Flash Player and i.g. the browser with radeon driver ===
+
This seems to be a general Chromium for Linux bug, which has been reported upstream: [https://code.google.com/p/chromium/issues/detail?id=473558].
  
To force 3D rendering  there is an option  "Override software rendering list" in {{ic|chrome://flags}}, also you would have to export video acceleration variables, see [[ATI#Enabling_video_acceleration]]. You could check if it is working in  {{ic|chrome://gpu}}.
+
Version [https://projects.archlinux.org/svntogit/packages.git/commit/trunk?h=packages/chromium&id=5c6dde4a40faa3ffcb58a9434c18cc0ac64a75fc 46.0.2490.71-2] fixes this issue.
  
 
== See also ==
 
== See also ==

Latest revision as of 17:52, 24 April 2016

Chromium is an open-source graphical web browser from Google, based on the Blink rendering engine.

Installation

The open-source project, Chromium, can be installed with the chromium package. You can also find:

The derived browser, Google Chrome, bundled with Flash Player and Widevine EME (for e.g. Netflix), can be installed with the google-chromeAUR package. You can also find:

Note: Google Chrome revoked 32 bits support, and only supports 64 bits installation
Tip: See these two articles for an explanation of the differences between Stable/Beta/Dev, as well as Chromium vs. Chrome and an explanation of the version numbering.

Inox

Inox is a privacy-focused patchset which disables Google services, proprietary features, prevents "calling home" and unhides all extensions. Flags are stored in inox-flags.conf. See this GitHub project for details. Otherwise, instructions regarding Chromium apply equally.

  • inox-binAUR - prebuilt binaries.
  • inoxAUR - Allows disabling additional features in PKGBUILD. Takes a long time to build, regardless of your CPU.

Configuration

Set Chromium as default browser

This behaviour is related to xdg-open: see xdg-open#Set the default browser. For more information about the topic in general, see Default applications.

File associations

This behaviour is related to xdg-open: see xdg-open#Configuration. For more information about the topic in general, see Default applications.

Flash Player plugin

Note: Chromium no longer supports the Netscape plugin API (NPAPI), so flashplugin from the repositories cannot be used.

Pepper Flash is the Flash Player plugin, using the new Pepper plugin API. It is co-developed by Google and Adobe, and distributed bundled with Google Chrome.

To install Pepper Flash for Chromium, install the chromium-pepper-flashAUR package. If you want the development version, install the chromium-pepper-flash-devAUR package instead.

Make sure the plugin is enabled in chrome://plugins and restart chromium via its menu.

Widevine Content Decryption Module plugin

Widevine is Google's Encrypted Media Extensions (EME) Content Decryption Module (CDM). It is used to watch premium video content such as Netflix. It comes bundled with Chrome.

To install the Widevine CDM for Chromium, install the chromium-widevineAUR package.

Make sure the plugin is enabled in chrome://plugins.

PDF viewer plugin

Chromium and Google Chrome are bundled with the Chromium PDF Viewer plugin, so installing a third-party plugin is not required.

If you prefer another implementation, disable the Chromium PDF Viewer plugin in chrome://plugins, and install one of the following alternatives:

PDF.js

See the main article: Browser plugins#PDF.js

Certificates

Chromium uses NSS for certificate management. Certificates can be managed in SettingsShow advanced settings...Manage Certificates....

Tips and tricks

See the main article: Chromium tweaks

Troubleshooting

Constant freezes under KDE

Uninstall libcanberra-pulse. See: BBS#1228558.

Fonts

Note: Chromium does not fully integrate with fontconfig/GTK/Pango/X/etc. due to its sandbox. For more information, see the Linux Technical FAQ.

Font rendering issues in PDF plugin

To fix the font rendering in some PDFs one has to install the ttf-liberation package, otherwise the substituted font causes text to run into other text. This was reported on the chromium bug tracker by an Arch user.

Force 3D acceleration

Warning: Disabling the rendering list may cause unstable behaviour, including crashes of the host. See the bug reports in chrome://gpu.

First, make sure you have all the required packages as explained in VDPAU. Then, to force 3D rendering, enable the flag "Override software rendering list" in chrome://flags. Check if it is working in chrome://gpu. This may also alleviate tearing issues with the radeon driver.

WebGL

Warning: Catalyst does not support the GL_ARB_robustness extension. When using this driver, it is possible that a malicious site could use WebGL to perform a DoS attack on your graphic card.

Chromium will sometimes disable WebGL with certain graphics card configurations. To remedy this, enter chrome://flags into the URL bar and disable the Disable WebGL flag. Alternatively, pass the command-line flag --enable-webgl to Chromium in the terminal.

There is also the possibility that your graphics card has been blacklisted by Chromium. See #Force 3D acceleration.

If you are using Chromium with Bumblebee, WebGL might crash due to GPU sandboxing. In this case, you can disable GPU sandboxing with optirun chromium --disable-gpu-sandbox.

If none of the above solves your problem, you may be able to visit chrome://gpu/ for additional debugging info.

Distorted GUI

Chromium's graphical interface may look unsightly, distorted and zoomed in on high-DPI displays. To disable any attempts to scale display according to device DPI, use --force-device-scale-factor=1.

"Search Google for this image" broken

This seems to be a general Chromium for Linux bug, which has been reported upstream: [1].

Version 46.0.2490.71-2 fixes this issue.

See also