How To Clear Cache On Firefox?

The cache in any web browser stores data such as images, scripts, videos, and other similar parts of the websites to improve its loading speed and enhance your browsing experience, the next time you visit the same website. Though, clearing the cache on Firefox and other browsers becomes important to troubleshoot problems with browser’s overall loading speed, or similar issues.

Delete Mozilla Firefox Cache

Follow the steps below to manually clear the browser cache anytime you encounter any browsing issue or otherwise:

  • Open Mozilla Firefox browser on your computer.
  • Click on the Menu button (indicated as three horizontal lines) at the top right corner.
  • Select Options from the list that opens.

Select Options in Firefox mozilla

  • Then, locate and choose Privacy & Security from the left-side panel.

Privacy and Security - Firefox Mozilla

  • Scroll down until you see Cookies and Site Data. Click on Clear Data.
  • You’ll get a dialog box prompt, check-mark Cached Web Content and click.

Cached Web Content

Automatically Clear The Firefox Cache

Well, as we already explained, you can tweak Firefox settings to automatically clear cache as soon as you close Firefox browser. To automate the process, follow these steps:

  • Open Mozilla Firefox browser app on your computer.
  • Click on the Menu button and go to Options.
  • Under Privacy & Security tab, locate History
  • You’ll see an option that says ‘Firefox will’ with a drop-down menu box. Choose Use custom settings for history.

Use Custom Setting for history on Firefox

  • When you choose custom settings from the drop down, you will see a list of options with adjacent checkboxes. Check mark the checkbox ahead to Clear history when Firefox closes.
  • Click on Settings, located beside the ‘clear history when Firefox closes’ section.

Clear History When Firefox closes

  • In the settings menu, check mark the box beside Cache, and click.

Check Mark The box Beside Cache

  • Close Firefox browser, and your settings will be saved.

Bonus Tip: Clear Firefox Cache Using Library Section

Apart from the ways explained above, there is one more way to delete Firefox cache i.e. using Mozilla Firefox Library. Here’s what you need to do:

  • Open Firefox app on your computer.
  • Go to the Library section from the Firefox Menu (three horizontal lines icon) at the top-right corner, and click on History.

Firefox History

  • Click on Clear Recent History.

Clear Recent History

  • On the next screen, next to Time range to clear, choose Everything from the drop-down menu. Next, checkmark everything along with Cache and click OK.

Clear All history

It will delete everything and the action cannot be undone. This is also a warning given by the browser itself (shown with an attention sign in the image above). The Firefox cache is now deleted.


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