Firefox - Modify the size of the Offline cache

Ask a question

Firefox make use of a 500MB cache for your offline operations (loading a downloaded webpage....etc)

To increase the size of the offline cache, follow the below procedure:
  • Open Firefox.
  • In the address bar type the following command:
  • about:config
  • Click on the "I'll be careful, I promise..." button

In the Filter field type: browser.cache.offline.capacity

Double click on the entry
The default value is : 512000 (about 500 MB), modify it to your convenience:
  • Validate with the Ok button.
  • Close the about:config window.

Note that: To disable the Offline cache, simply look for the following entry:

Set its value to False.
Jean-François Pillou

CCM is a leading international tech website. Our content is written in collaboration with IT experts, under the direction of Jeff Pillou, founder of CCM reaches more than 50 million unique visitors per month and is available in 11 languages.

Learn more about the CCM team