Animated images

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Image animation preference

There is a preference that affects animated image behaviour.

Using about:config

In Mozilla Suite and Firefox:

  1. In the Location Bar type about:config and hit Enter
  2. Type "anim" in the Filter field (to quickly find the needed preference)
  3. Double-click the image.animation_mode line and edit it to one of the following:
none — will prevent image animation
once — will let the image animate once
normal — will allow it to play over and over

You can also use about:config in Thunderbird to turn off animated images in RSS feeds.

Alternatively You can press ESC (for windows?) to pause gif images, temperally for the current website.

Using user.js

Alternatively, you can edit your user.js file to set this preference. For instance, to prevent image animation in RSS feeds in Thunderbird, insert the following into the user.js file in your Thunderbird profile folder:

user_pref("image.animation_mode", "none");

Security software

The following programs have options that can turn off animation on your system:

  • Norton Internet Security
  • ZoneAlarm

This feature must be turned on or off from inside the aforementionned programs, not Firefox, Mozilla Suite, or Thunderbird.

See also