To speed up browsing and allow access to information in a practical and fast way, major browsers use cache memory as a source of access to important data. However, this excess data can affect the performance of the software over time, causing access to certain sites to slow down and taking up a lot of space in your PC’s memory.

We will therefore explain the cache clearing process for the most popular browsers: Google Chrome, Mozilla Firefox, Microsoft Edge, Opera and Safari. In addition, we’ll also provide some explanations, such as what browser cache is and how it works.

What is caching and how does it work?

Cache is the term used to classify a specific set of saved information that reflects the static components of the website, such as images and documents in general that make up the web page. This is where your device’s temporary files are stored. Whenever a website is visited, certain information is downloaded to the computer to speed up the loading of content. This also happens with images, sounds, videos, certain scripts and code.

With this data saved in advance, the browser can load pages faster because it does not have to request all the data from the internet, loading it from the database created by the cache. As well as bringing greater speed, this process also saves bandwidth as you won’t need to download such information again.

However, this type of storage does have one drawback: it can take up a lot of space. Some browsers have a cache size limit manager, the problem is that this cap can be very high. Firefox, for example, can take up to 1 GB of hard disk space with irrelevant data. That’s why it’s recommended that you get into the habit of clearing your cache from time to time.

How to clear your browser cache

Google Chrome

  • Open Chrome and click on the three-dot icon in the top right corner of the screen. Then go to Settings;
  • Use the search field and search for “cache”. Then select “Clear Browsing Data”.
  • Finally, just choose the desired time period, select the “Cached images and files” option and click “Clear data”.

Mozilla Firefox

  • Click on the menu and select Settings;
  • Select the Privacy & Security panel. In the Cookies and Website Data section, click Clear Data;
  • Deselect the Cookies and Website Data option. If the content stored from websites is checked, click the Clear button. When you close the window, your settings will be saved.

Microsoft Edge

Open Microsoft Edge and press CTRL + SHIFT + DEL keys at the same time. A settings screen will appear. Uncheck all options, leaving only cached files and images selected. Finally, click Clear Now.


  • With the browser open, click on the Opera icon in the top left corner. Then go to Settings;
  • Scroll down to the Privacy & Security section, then click Clear Browsing Data;
  • Check the Images and Cached Files option, and finally click the Clear Data button;


From the Development menu, select Clear Caches. If this menu is not visible to you, follow the steps below to activate it.

  • From the Safari menu, select Preferences;
  • Select the Advanced tab;
  • Check the Display Development menu option in the menu bar;
  • Now simply close the preferences and select Clear Caches from the Develop menu, which should now be visible.
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