Mozilla firefox mac clear cache

Firefox 21+ (Mac) - Clearing Cache and Cookies

You can also choose to remove your browsing history, offline website data, and any saved logins. Firefox mobile does not allow you to delete cache or cookies from individual websites. This action will close any active tabs on your web browser. Clear all of your browsing data. Toggle every option "on" and then tap Clear Private Data This action will close any active tabs on your web browser. Confirm your private data clear. A dialog will pop up and ask you to confirm this choice, warning you that the action cannot be undone.

Select "OK" to proceed with the clear. Method 3. The Android version of Firefox allows you to clear out your cache and cookies individually. Locate the "Clear Private Data" menu. This menu allows you to specify which data to remove from your phone. Clear private data when Firefox closes optional. You can set Firefox to automatically clear specified data when you close Firefox. Choose the browsing data to clear when Firefox closes. In the pop-up dialog, place check marks next to the types of data you would like to clear then tap Set.

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Quit Firefox to clear private data. Method 4. Navigate to web browser options or preferences. The way to get to the options menu may differ on your operating system. Switch to the Privacy Tab.


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A list of tabbed settings appear on the left-hand side of the window. Adjust the cache settings.

How to clear the Firefox cache

There are several options and closing the window will save your chosen specifications. View the cookies stored in Firefox. Click on the Show Cookies button. Remove cookies stored in Firefox. In this new window you will see a list of cookies. Click on the cookie to remove from the list then click on Remove Selected to remove the selected cookie. Keep cookies for trusted websites. There are certain sites where storing your cookies may be useful. Cookies can be used to track your habits on websites such as online stores. Online forms can become easier to fill out if you preserve cookies.

Keep in mind that stored form information can contain your personal information and may be visible to people that use the same computer or device. Some services use cookies that are used to quickly log-in online can become easier to access if you use other security measures to protect your information such as lock screens on computers or devices.

In the Add-ons Manager's Plugins panel, you can select Never Activate for each plugin, then restart Firefox and see if the problem is still happening. If the problem is gone, turn the plugins back on one by one, just changing that Never Activate option back to Always Activate.

Restart Firefox each time and then try to recreate the error. Once the problem reappears, you'll know it was likely caused by the last plugin you re-enabled. You can also remove a plugin with CleanMyMac 's Extensions tab, which is actually a lot easier than using Firefox. Mozilla then recommends you change the filename to add an X in front, which will remove the plugin. You can reinstall a fresh copy of the plugin from official sources only! To check your extensions in Firefox, go to about:add-ons , then click Extensions in the sidebar. You can disable extensions here, and then turn them back on one by one, in the same way you just checked your plugins.

If you want to remove all your extensions and start fresh, you can click the Remove button or use the Extensions tab in CleanMyMac, which manages extensions, add-ons, and plugins from one place. Preventing Flash content from loading automatically deserves a separate explanation. Some websites use way too much Flash content, and loading and playing all of that uses up your computer's resources, especially if you keep a lot of tabs open. Luckily, you can tell Firefox to stop loading Flash content by default, until you ask for it. But if you're still experiencing troubles, there is more you can do.

Read on. Whether Firefox shows you an error message every time you try to launch the app or right when you're in the middle of a working session, there is only one way to fix that — reinstall the application. The easiest way to reinstall Firefox is to quit it, delete the Firefox file from your Applications folder, and download the new version from the official Mozilla website. That will uninstall the application but keep all your user data intact, and when you reinstall a new copy, you bookmarks and passwords will still be there.

But that's not the best way to do it, since Firefox leaves all kinds of data on your hard drive besides the main application file. There are rare cases when the "Firefox quit unexpectedly" message could be caused by the Mac security update. This happens when your Mac's firewall used to recognize previous versions of Firefox but no longer trusts the new one. Follow official Mozilla documentation to fix this issue. So your Firefox is fast and doesn't randomly quit, but still doesn't seem to load websites.

There are a few things that might cause this, so let's zero in on the problem by gradually excluding various perpetrators. Turn your modem off and on helps in nearly all cases. As soon as you launch NetSpot , make sure it's set to Discover mode, and it will scan all nearby WiFi networks automatically.

WiFi Explorer is just as easy — launch the app and click the play button to analyze the network quality around you. If your WiFi network seems to be fine, it's good to check whether the connection works in other browsers, like Safari or Chrome, just to make sure that the problem in fact is with Firefox specifically. Then, check the settings in your firewall by following the steps outlined by Mozilla.

If upon loading the website you get the "Proxy server is refusing connections" message, there is an easy fix for that. In case Firefox shows you that it has troubles validating some website's security certificate, it might be related to improperly set date and time on your system. Another option you can try is flushing the DNS cache, which acts as a temporary database, storing all sorts of connectivity logs and website access attempts.

Combine flushing the DNS cache with clearing out cache and cookies from Firefox, and restarting your Mac to get the best result. If you are still experiencing troubles loading websites, it could be that DNS prefetching is at play. Usually Firefox tries to speed up loading new websites by using DNS prefetching, but it can also cause loading errors with some system configurations.

Clear your cache in Mozilla Firefox (Mac Os X/macOS)

To disable DNS prefetching:. The last step to try to fix the website loading issue is to check your system for malware. If you remember Firefox being haunted by ad pop-ups, toolbars you didn't install yourself, or a new default home page, you might have picked up some malware that's hijacking your browser sessions.

It's a free download, with a pro license for more active, real-time protection.

How to Clear Cache on Firefox (Mac Users)

The free product will however scan your Mac and safely remove any malware at no cost to you. When your Firefox is just generally behaving incorrectly, a few more tips might come in handy. Start with restarting your Mac, and then clear the cache and troubleshoot your plugins as described above. When clearing the cached data doesn't help, try restarting the browser in Safe Mode.

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If you are unable to do so, see Troubleshooting alternatives below. If you don't see instructions below for your specific version or browser, search your browser's Help menu for "clear cache". If you're unsure what browser version you're using, from the Help menu or your browser's menu, select About [browser name]. In Internet Explorer and Firefox, if you don't see the menu bar, press Alt. If you need to clear your cache, cookies, and history for troubleshooting purposes, but aren't yet prepared to lose the content listed above, you may wish to consider using a private browsing window in your preferred browser as a temporary solution:.